how do I reach Sound Systems Plus to sort something out?
Question · by saving_up_on_capitol · Member since Sep 2026 · 2 posts · 7w7 weeks ago
Car stereo store in San Jose, CA
4.2 · 55 reviewsOpens Wednesday at 10 AMOpens Wednesday at 10 AM
Sound Systems Plus, located at 93 S Capitol Ave in San Jose, is a beloved car stereo store that has earned a loyal following over the years. With a solid rating of 4.2 from 55 reviews, customers appreciate the knowledgeable staff and efficient service. Many have shared positive experiences about the installation of sound systems, subwoofers, and other audio equipment, often highlighting the professionalism and fair pricing. While some reviews mention occasional challenges with installations, the overall sentiment reflects a warm community hub for car audio enthusiasts seeking reliable service and expert advice.
Eligible to offer 20% cashback to customers who shop here.OrbitBack
Add your name so AI can say who owns the business
Unclaimed · Never replied · Add the year you opened so AI can say how long you've been open
ConfirmedVisitor submittedAI guess
Updated Sep 14, 2026Last activity 1 month ago, a question from saving_up_on_capitol.
5 asked · 0 answered by Sound Systems Plus
Question · by saving_up_on_capitol · Member since Sep 2026 · 2 posts · 7w7 weeks ago
Question · by capitol_pearl · Member since Sep 2026 · 2 posts · 8w8 weeks ago
Question · by spontaneous_on_capitol · Member since Sep 2026 · 2 posts · 7w7 weeks ago
Question · by new_year_neighbor_south · Member since Jul 2026 · 63 posts · 7w7 weeks ago
Question · by early_on_capitol · Member since Jul 2026 · 2 posts · 7w7 weeks ago
What Sound Systems Plus offers, what it costs, and what people come for.
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No code detected[Photo 4]When it's quiet, where to park, and what's nearby.
Mark's Hot Dogs is a 2 minute walk for Hot Dogs. El Cielo Bar & Grill is a 2 minute walk for colombian food.
Nearby places from Google Maps, read Sep 19, 2026.
Every row is something the owner can add or correct. Each one is marked Confirmed, Visitor submitted or AI guess, with where it came from.
What reviews, press and directories say about Sound Systems Plus.
4.2from 55 reviews on Google
Sound Systems Plus is known for knowledgeable staff and efficient installations, but some customers have experienced issues with installation quality and service reliability. Customers describe a mix of experiences at Sound Systems Plus, with many praising the knowledgeable staff, particularly David, for their efficient installations of car audio systems, dash cams, and alarms. However, some customers report issues with installation quality and service consistency, leading to frustration.
The AI Score is out of 100, read from 8 signals across search and AI.
35 San Jose avg
Signal and how much it countsSound Systems Plus
Every business is scored the same way, and nobody can pay for a better score.
Sound Systems Plus, as AI sees it. Blue signals help Sound Systems Plus, and red ones hold it back.
Claiming your page is free.
The page ChatGPT, Gemini, Perplexity and Google read about Sound Systems Plus. The code version is exactly what their crawlers get.
Local AI Registry · Car stereo stores in San Jose, CA · Editorial
By Steve Lee, founder and CEO of Local AI Registry. Updated September 14, 2026.
Published September 14, 2026 · Updated September 14, 2026 · Machine-readable version below
Sound Systems Plus is a car stereo store in San Jose, CA. Its AI Score is 25 of 100, which is poor.
What each mark on this page means: https://localairegistry.com/methodology#marks
| Fact | Value |
|---|---|
| Type | Car stereo store |
| Address | 93 S Capitol Ave, San Jose, CA 95127, USA |
| Hours | Mon 10 AM to 6 PM · Closed Tue · Wed to Sat 10 AM to 6 PM · Sun 10 AM to 5 PM |
| Phone | (408) 254-3982 |
| Rating | 4.2 across 55 reviews on Google |
| Updated | September 14, 2026 |
Every row is something the owner can add or correct. Each one is marked Confirmed, Visitor submitted or AI guess, with where it came from.
| Group | Fact | Value | Mark | Evidence |
|---|---|---|---|---|
| Location info | Address | 93 S Capitol Ave, San Jose, CA 95127, USA | Confirmed | Google Business Profile |
| Location info | Description | 93 S Capitol Ave, San Jose, CA 95127 | Confirmed | Google Business Profile |
| Location info | Hours | Mon 10:00 AM to 6:00 PM · Tue Closed · Wed to Sat 10:00 AM to 6:00 PM · Sun 10:00 AM to 5:00 PM | Confirmed | Google Business Profile |
| Location info | Name | Sound Systems Plus | Confirmed | Google Business Profile |
| Location info | Phone | (408) 254-3982 | Confirmed | Google Business Profile |
| Hours | Monday | 10:00 AM to 6:00 PM | Confirmed | Google Business Profile |
| Hours | Tuesday | Closed | Confirmed | Google Business Profile |
| Hours | Wednesday | 10:00 AM to 6:00 PM | Confirmed | Google Business Profile |
| Hours | Thursday | 10:00 AM to 6:00 PM | Confirmed | Google Business Profile |
| Hours | Friday | 10:00 AM to 6:00 PM | Confirmed | Google Business Profile |
| Hours | Saturday | 10:00 AM to 6:00 PM | Confirmed | Google Business Profile |
| Hours | Sunday | 10:00 AM to 5:00 PM | Confirmed | Google Business Profile |
| Services | Service | Car amplifier installation | AI guess | |
| Services | Service | Car audio system sales | AI guess | |
| Services | Service | Car speaker installation | AI guess | |
| Services | Service | Car stereo installation | AI guess | |
| Services | Service | Car subwoofer installation | AI guess | |
| Links | Website | https://www.soundsystemsaplus.com/ | Confirmed | Google Business Profile |
Address: 93 S Capitol Ave, San Jose, CA 95127, USA. Phone: (408) 254-3982. Hours: Mon 10 AM to 6 PM · Closed Tue · Wed to Sat 10 AM to 6 PM · Sun 10 AM to 5 PM. (Confirmed, Google Business Profile.)
| Place | Type | Distance |
|---|---|---|
| Capitol & Alum Rock | Bus stop | 1 min walk |
| Mark's Hot Dogs | Hot dog restaurant | 2 min walk |
| El Cielo Bar & Grill | Colombian restaurant | 2 min walk |
| Jack in the Box | Fast food restaurant | 2 min walk |
| Alum Rock and Capitol | Transit station | 2 min walk |
| Jewel of India | Indian restaurant | 2 min walk |
4.2 average across 55 reviews: Google 55. (Confirmed, read September 14, 2026.)
Sound Systems Plus is known for knowledgeable staff and efficient installations, but some customers have experienced issues with installation quality and service reliability. (AI guess, from 55 reviews.)
It measures how likely AI engines are to recommend a business, and how accurately. San Jose car stereo stores run 24 to 52. Fair starts at 45, good at 65. Sound Systems Plus scores 25, below the San Jose average of 35. The same method scores every business on the registry.
| Signal | Weight | Score | What it measures | Sound Systems Plus |
|---|---|---|---|---|
| Retrieval grounding | 26 | 0 | Whether you appear in the ranked results AI retrieves and cites: AI-Overview citations, organic top-10 for your money queries, and the Bing index ChatGPT leans on. | Poor |
| Off-property attestation | 20 | 40 | Volume and consistency of what others say about you: YouTube mentions, branded web mentions, third-party “best-of” lists. The cause of retrievability. | Poor |
| AI visibility | 14 | 0 | Whether ChatGPT, Gemini, Perplexity, and AI Overviews name you, and whether they name you for the right service. | Poor |
| Reviews & response | 12 | 76 | The star average is only one input. We also read volume, velocity, the specificity of review language, and response cadence. Specific reviews are what AI quotes verbatim. | Good |
| Backlink & citation authority | 8 | 53 | Domain authority and editorial quality of the sources that attest to you. | Fair |
| Google Business Profile | 8 | 90 | Required and recommended fields; update cadence. The listing AI pulls from first. | Good |
| Speed & mobile | 7 | 69 | Core Web Vitals at the 75th percentile, on a real phone. | Good |
| Content freshness & schema | 5 | Crawl recency, intent alignment, valid JSON-LD, canonicals. |
Full method: https://localairegistry.com/methodology
How AI decides what to say about a car stereo store: https://localairegistry.com/methodology#how-ai-decides-local-business. What to check before you choose one: https://localairegistry.com/methodology#how-to-choose-local-business
Every person, place, organization and treatment named on this page, with a stable ID and a public reference. The JSON-LD below connects them to each other.
| Entity | Type | ID on this page | Same as | Relationship to Sound Systems Plus |
|---|---|---|---|---|
| Sound Systems Plus | LocalBusiness | #business | https://www.soundsystemsaplus.com/ | Subject of this page |
| San Jose, California | City | #city | City Sound Systems Plus is in | |
| Local AI Registry | Organization | #publisher | https://localairegistry.com | Publisher of this page |
| Steve Lee | Person | #author | https://localairegistry.com/team/steve-lee | Author of this page |
Where this page sits in the registry. It's one profile among the car stereo stores in San Jose, linked to the lists and towns around it.
This is exactly what this page sends to Google, Bing, ChatGPT, Claude, Perplexity and Gemini. We publish it in the open for two reasons: so you can see nothing here is hidden or made up, and so any business or developer can copy it. Being a good local AI steward means the machine version says exactly what the human version says.
Sent before the page. They tell crawlers the canonical address and that a plain markdown copy exists.
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Title, description, canonical, robots and Open Graph tags. This is what shows in search results and link previews.
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One connected graph. Every person and service has its own @id and links to the business, and a licensed person links to the license and the board that issued it.
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}The article as plain text: the same headings, facts, marks and sources.
# Sound Systems Plus, San Jose CA: Reviews Source: Local AI Registry, https://localairegistry.com/biz/ca/san-jose/sound-systems-plus-san-jose-ca. Free to reuse with a link back. By Steve Lee, founder and CEO of Local AI Registry. Updated 2026-09-14. Canonical: https://localairegistry.com/biz/ca/san-jose/sound-systems-plus-san-jose-ca ## Photos -  -  -  -  -  ## In short Sound Systems Plus is a car stereo store in San Jose, CA. Its AI Score is 25 of 100, which is poor. What each mark on this page means: https://localairegistry.com/methodology#marks ## Key facts | Fact | Value | | --- | --- | | Type | Car stereo store | | Address | 93 S Capitol Ave, San Jose, CA 95127, USA | | Hours | Mon 10 AM to 6 PM · Closed Tue · Wed to Sat 10 AM to 6 PM · Sun 10 AM to 5 PM | | Phone | (408) 254-3982 | | Rating | 4.2 across 55 reviews on Google | | Updated | September 14, 2026 | ## All the details Every row is something the owner can add or correct. Each one is marked Confirmed, Visitor submitted or AI guess, with where it came from. | Group | Fact | Value | Mark | Evidence | | --- | --- | --- | --- | --- | | Location info | Address | 93 S Capitol Ave, San Jose, CA 95127, USA | Confirmed | Google Business Profile | | Location info | Description | 93 S Capitol Ave, San Jose, CA 95127 | Confirmed | Google Business Profile | | Location info | Hours | Mon 10:00 AM to 6:00 PM · Tue Closed · Wed to Sat 10:00 AM to 6:00 PM · Sun 10:00 AM to 5:00 PM | Confirmed | Google Business Profile | | Location info | Name | Sound Systems Plus | Confirmed | Google Business Profile | | Location info | Phone | (408) 254-3982 | Confirmed | Google Business Profile | | Hours | Monday | 10:00 AM to 6:00 PM | Confirmed | Google Business Profile | | Hours | Tuesday | Closed | Confirmed | Google Business Profile | | Hours | Wednesday | 10:00 AM to 6:00 PM | Confirmed | Google Business Profile | | Hours | Thursday | 10:00 AM to 6:00 PM | Confirmed | Google Business Profile | | Hours | Friday | 10:00 AM to 6:00 PM | Confirmed | Google Business Profile | | Hours | Saturday | 10:00 AM to 6:00 PM | Confirmed | Google Business Profile | | Hours | Sunday | 10:00 AM to 5:00 PM | Confirmed | Google Business Profile | | Services | Service | Car amplifier installation | AI guess | | | Services | Service | Car audio system sales | AI guess | | | Services | Service | Car speaker installation | AI guess | | | Services | Service | Car stereo installation | AI guess | | | Services | Service | Car subwoofer installation | AI guess | | | Links | Website | https://www.soundsystemsaplus.com/ | Confirmed | Google Business Profile | ## Services and prices Add your services so AI can say what you offer ### Known for Share your review link so AI can say what you're known for ## The team Add your team so AI can name who works here ## Visiting Sound Systems Plus Address: 93 S Capitol Ave, San Jose, CA 95127, USA. Phone: (408) 254-3982. Hours: Mon 10 AM to 6 PM · Closed Tue · Wed to Sat 10 AM to 6 PM · Sun 10 AM to 5 PM. (Confirmed, Google Business Profile.) ### Parking and getting in Add your parking so AI can tell people where to park Add how to find your door so AI can walk people in ### Nearby | Place | Type | Distance | | --- | --- | --- | | Capitol & Alum Rock | Bus stop | 1 min walk | | Mark's Hot Dogs | Hot dog restaurant | 2 min walk | | El Cielo Bar & Grill | Colombian restaurant | 2 min walk | | Jack in the Box | Fast food restaurant | 2 min walk | | Alum Rock and Capitol | Transit station | 2 min walk | | Jewel of India | Indian restaurant | 2 min walk | ## Reputation 4.2 average across 55 reviews: Google 55. (Confirmed, read September 14, 2026.) Sound Systems Plus is known for knowledgeable staff and efficient installations, but some customers have experienced issues with installation quality and service reliability. (AI guess, from 55 reviews.) ### What people like - Efficient installation of subwoofers and sound systems - Honest pricing and no aggressive selling ### What people do not like - Inconsistent installation quality - Problems with audio quality after installation - Unclear return policy on products ### Press Add a press story so AI can say who's written about you ### Awards Add an award so AI can name it ### Directories Get listed in directories so AI can tell you're real ## Questions people ask ### how do I reach Sound Systems Plus to sort something out? ### people keep recommending this shop, what for? ### planning a Tuesday visit, is that a wasted trip ### Sound Systems Plus or Guru Electronics? ### best car stereo store in San Jose ### same day slots, does that ever happen here ### cheaper than Sound Systems Plus in San Jose without it being sketchy? ### do they do payment plans here? ### first visit at Sound Systems Plus, what do I need to bring? ### bad experiences here, anyone? ### where exactly is Sound Systems Plus? ### genuinely, what is good about this one ### what time does Sound Systems Plus in San Jose actually open? ### are prices in San Jose higher than everywhere else ### points or member pricing at Sound Systems Plus, worth signing up? ### last update from here was when? ## The AI Score: 25 of 100 It measures how likely AI engines are to recommend a business, and how accurately. San Jose car stereo stores run 24 to 52. Fair starts at 45, good at 65. Sound Systems Plus scores 25, below the San Jose average of 35. The same method scores every business on the registry. | Signal | Weight | Score | What it measures | Sound Systems Plus | | --- | --- | --- | --- | --- | | Retrieval grounding | 26 | 0 | Whether you appear in the ranked results AI retrieves and cites: AI-Overview citations, organic top-10 for your money queries, and the Bing index ChatGPT leans on. | Poor | | Off-property attestation | 20 | 40 | Volume and consistency of what others say about you: YouTube mentions, branded web mentions, third-party “best-of” lists. The cause of retrievability. | Poor | | AI visibility | 14 | 0 | Whether ChatGPT, Gemini, Perplexity, and AI Overviews name you, and whether they name you for the right service. | Poor | | Reviews & response | 12 | 76 | The star average is only one input. We also read volume, velocity, the specificity of review language, and response cadence. Specific reviews are what AI quotes verbatim. | Good | | Backlink & citation authority | 8 | 53 | Domain authority and editorial quality of the sources that attest to you. | Fair | | Google Business Profile | 8 | 90 | Required and recommended fields; update cadence. The listing AI pulls from first. | Good | | Speed & mobile | 7 | 69 | Core Web Vitals at the 75th percentile, on a real phone. | Good | | Content freshness & schema | 5 | | Crawl recency, intent alignment, valid JSON-LD, canonicals. | | Full method: https://localairegistry.com/methodology How AI decides what to say about a car stereo store: https://localairegistry.com/methodology#how-ai-decides-local-business. What to check before you choose one: https://localairegistry.com/methodology#how-to-choose-local-business ## Entity map Every person, place, organization and treatment named on this page, with a stable ID and a public reference. The JSON-LD below connects them to each other. | Entity | Type | ID on this page | Same as | Relationship to Sound Systems Plus | | --- | --- | --- | --- | --- | | Sound Systems Plus | LocalBusiness | #business | https://www.soundsystemsaplus.com/ | Subject of this page | | San Jose, California | City | #city | | City Sound Systems Plus is in | | Local AI Registry | Organization | #publisher | https://localairegistry.com | Publisher of this page | | Steve Lee | Person | #author | https://localairegistry.com/team/steve-lee | Author of this page | ## Topical map Where this page sits in the registry. It's one profile among the car stereo stores in San Jose, linked to the lists and towns around it. ### Lists - Best car stereo stores in San Jose: https://localairegistry.com/leaderboards/ca/san-jose/car-stereo-store - Best businesses in San Jose: https://localairegistry.com/leaderboards/ca/san-jose ### Nearby - /los-angeles: https://localairegistry.com/leaderboards/ca/los-angeles - /san-francisco: https://localairegistry.com/leaderboards/ca/san-francisco - /san-diego: https://localairegistry.com/leaderboards/ca/san-diego - /irvine: https://localairegistry.com/leaderboards/ca/irvine - /mountain-view: https://localairegistry.com/leaderboards/ca/mountain-view - /santa-clara: https://localairegistry.com/leaderboards/ca/santa-clara ### Every list - Every leaderboard in California: https://localairegistry.com/leaderboards/ca ## References ### Sources cited - [1] Google Business Profile, https://www.google.com/maps/place/?q=place_id:ChIJp1mvohPNj4ARf-Ci_P-94os (accessed Sep 14, 2026) - [2] AI engine output: ChatGPT and Gemini, read by Local AI Registry on Sep 14, 2026, https://localairegistry.com/methodology (accessed Sep 19, 2026)
The files every page on the registry shares, and how to copy this code for your own site, are here: https://localairegistry.com/developers
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<p>Local AI Registry · Car stereo stores in San Jose, CA · Editorial</p>
<h2>Sound Systems Plus, San Jose CA: Reviews</h2>
<p>By Steve Lee, founder and CEO of Local AI Registry. Updated September 14, 2026.</p>
<p>Published September 14, 2026 · Updated September 14, 2026 · Machine-readable version below</p>
</header>
<section id="ai-in-short">
<h3>In short</h3>
<p>Sound Systems Plus is a car stereo store in San Jose, CA. Its AI Score is 25 of 100, which is poor.</p>
<p>What each mark on this page means: https://localairegistry.com/methodology#marks</p>
</section>
<section id="ai-key-facts">
<h3>Key facts</h3>
<table>
<thead><tr><th scope="col">Fact</th><th scope="col">Value</th></tr></thead>
<tbody>
<tr><td>Type</td><td>Car stereo store</td></tr>
<tr><td>Address</td><td>93 S Capitol Ave, San Jose, CA 95127, USA</td></tr>
<tr><td>Hours</td><td>Mon 10 AM to 6 PM · Closed Tue · Wed to Sat 10 AM to 6 PM · Sun 10 AM to 5 PM</td></tr>
<tr><td>Phone</td><td>(408) 254-3982</td></tr>
<tr><td>Rating</td><td>4.2 across 55 reviews on Google</td></tr>
<tr><td>Updated</td><td>September 14, 2026</td></tr>
</tbody>
</table>
</section>
<section id="ai-all-the-details">
<h3>All the details</h3>
<p>Every row is something the owner can add or correct. Each one is marked Confirmed, Visitor submitted or AI guess, with where it came from.</p>
<table>
<thead><tr><th scope="col">Group</th><th scope="col">Fact</th><th scope="col">Value</th><th scope="col">Mark</th><th scope="col">Evidence</th></tr></thead>
<tbody>
<tr><td>Location info</td><td>Address</td><td>93 S Capitol Ave, San Jose, CA 95127, USA</td><td>Confirmed</td><td>Google Business Profile</td></tr>
<tr><td>Location info</td><td>Description</td><td>93 S Capitol Ave, San Jose, CA 95127</td><td>Confirmed</td><td>Google Business Profile</td></tr>
<tr><td>Location info</td><td>Hours</td><td>Mon 10:00 AM to 6:00 PM · Tue Closed · Wed to Sat 10:00 AM to 6:00 PM · Sun 10:00 AM to 5:00 PM</td><td>Confirmed</td><td>Google Business Profile</td></tr>
<tr><td>Location info</td><td>Name</td><td>Sound Systems Plus</td><td>Confirmed</td><td>Google Business Profile</td></tr>
<tr><td>Location info</td><td>Phone</td><td>(408) 254-3982</td><td>Confirmed</td><td>Google Business Profile</td></tr>
<tr><td>Hours</td><td>Monday</td><td>10:00 AM to 6:00 PM</td><td>Confirmed</td><td>Google Business Profile</td></tr>
<tr><td>Hours</td><td>Tuesday</td><td>Closed</td><td>Confirmed</td><td>Google Business Profile</td></tr>
<tr><td>Hours</td><td>Wednesday</td><td>10:00 AM to 6:00 PM</td><td>Confirmed</td><td>Google Business Profile</td></tr>
<tr><td>Hours</td><td>Thursday</td><td>10:00 AM to 6:00 PM</td><td>Confirmed</td><td>Google Business Profile</td></tr>
<tr><td>Hours</td><td>Friday</td><td>10:00 AM to 6:00 PM</td><td>Confirmed</td><td>Google Business Profile</td></tr>
<tr><td>Hours</td><td>Saturday</td><td>10:00 AM to 6:00 PM</td><td>Confirmed</td><td>Google Business Profile</td></tr>
<tr><td>Hours</td><td>Sunday</td><td>10:00 AM to 5:00 PM</td><td>Confirmed</td><td>Google Business Profile</td></tr>
<tr><td>Services</td><td>Service</td><td>Car amplifier installation</td><td>AI guess</td><td></td></tr>
<tr><td>Services</td><td>Service</td><td>Car audio system sales</td><td>AI guess</td><td></td></tr>
<tr><td>Services</td><td>Service</td><td>Car speaker installation</td><td>AI guess</td><td></td></tr>
<tr><td>Services</td><td>Service</td><td>Car stereo installation</td><td>AI guess</td><td></td></tr>
<tr><td>Services</td><td>Service</td><td>Car subwoofer installation</td><td>AI guess</td><td></td></tr>
<tr><td>Links</td><td>Website</td><td>https://www.soundsystemsaplus.com/</td><td>Confirmed</td><td>Google Business Profile</td></tr>
</tbody>
</table>
</section>
<section id="ai-services-and-prices">
<h3>Services and prices</h3>
<h4>Known for</h4>
</section>
<section id="ai-the-team">
<h3>The team</h3>
</section>
<section id="ai-visiting-sound-systems-plus">
<h3>Visiting Sound Systems Plus</h3>
<p>Address: 93 S Capitol Ave, San Jose, CA 95127, USA. Phone: (408) 254-3982. Hours: Mon 10 AM to 6 PM · Closed Tue · Wed to Sat 10 AM to 6 PM · Sun 10 AM to 5 PM. (Confirmed, Google Business Profile.)</p>
<h4>Parking and getting in</h4>
<h4>Nearby</h4>
<table>
<thead><tr><th scope="col">Place</th><th scope="col">Type</th><th scope="col">Distance</th></tr></thead>
<tbody>
<tr><td>Capitol & Alum Rock</td><td>Bus stop</td><td>1 min walk</td></tr>
<tr><td>Mark's Hot Dogs</td><td>Hot dog restaurant</td><td>2 min walk</td></tr>
<tr><td>El Cielo Bar & Grill</td><td>Colombian restaurant</td><td>2 min walk</td></tr>
<tr><td>Jack in the Box</td><td>Fast food restaurant</td><td>2 min walk</td></tr>
<tr><td>Alum Rock and Capitol</td><td>Transit station</td><td>2 min walk</td></tr>
<tr><td>Jewel of India</td><td>Indian restaurant</td><td>2 min walk</td></tr>
</tbody>
</table>
</section>
<section id="ai-reputation">
<h3>Reputation</h3>
<p>4.2 average across 55 reviews: Google 55. (Confirmed, read September 14, 2026.)</p>
<p>Sound Systems Plus is known for knowledgeable staff and efficient installations, but some customers have experienced issues with installation quality and service reliability. (AI guess, from 55 reviews.)</p>
<h4>What people like</h4>
<ul>
<li>Efficient installation of subwoofers and sound systems</li>
<li>Honest pricing and no aggressive selling</li>
</ul>
<h4>What people do not like</h4>
<ul>
<li>Inconsistent installation quality</li>
<li>Problems with audio quality after installation</li>
<li>Unclear return policy on products</li>
</ul>
<h4>Press</h4>
<h4>Awards</h4>
<h4>Directories</h4>
</section>
<section id="ai-questions-people-ask">
<h3>Questions people ask</h3>
<h4>how do I reach Sound Systems Plus to sort something out?</h4>
<h4>people keep recommending this shop, what for?</h4>
<h4>planning a Tuesday visit, is that a wasted trip</h4>
<h4>Sound Systems Plus or Guru Electronics?</h4>
<h4>best car stereo store in San Jose</h4>
<h4>same day slots, does that ever happen here</h4>
<h4>cheaper than Sound Systems Plus in San Jose without it being sketchy?</h4>
<h4>do they do payment plans here?</h4>
<h4>first visit at Sound Systems Plus, what do I need to bring?</h4>
<h4>bad experiences here, anyone?</h4>
<h4>where exactly is Sound Systems Plus?</h4>
<h4>genuinely, what is good about this one</h4>
<h4>what time does Sound Systems Plus in San Jose actually open?</h4>
<h4>are prices in San Jose higher than everywhere else</h4>
<h4>points or member pricing at Sound Systems Plus, worth signing up?</h4>
<h4>last update from here was when?</h4>
</section>
<section id="ai-score">
<h3>The AI Score: 25 of 100</h3>
<p>It measures how likely AI engines are to recommend a business, and how accurately. San Jose car stereo stores run 24 to 52. Fair starts at 45, good at 65. Sound Systems Plus scores 25, below the San Jose average of 35. The same method scores every business on the registry.</p>
<table>
<thead><tr><th scope="col">Signal</th><th scope="col">Weight</th><th scope="col">Score</th><th scope="col">What it measures</th><th scope="col">Sound Systems Plus</th></tr></thead>
<tbody>
<tr><td>Retrieval grounding</td><td>26</td><td>0</td><td>Whether you appear in the ranked results AI retrieves and cites: AI-Overview citations, organic top-10 for your money queries, and the Bing index ChatGPT leans on.</td><td>Poor</td></tr>
<tr><td>Off-property attestation</td><td>20</td><td>40</td><td>Volume and consistency of what others say about you: YouTube mentions, branded web mentions, third-party “best-of” lists. The cause of retrievability.</td><td>Poor</td></tr>
<tr><td>AI visibility</td><td>14</td><td>0</td><td>Whether ChatGPT, Gemini, Perplexity, and AI Overviews name you, and whether they name you for the right service.</td><td>Poor</td></tr>
<tr><td>Reviews & response</td><td>12</td><td>76</td><td>The star average is only one input. We also read volume, velocity, the specificity of review language, and response cadence. Specific reviews are what AI quotes verbatim.</td><td>Good</td></tr>
<tr><td>Backlink & citation authority</td><td>8</td><td>53</td><td>Domain authority and editorial quality of the sources that attest to you.</td><td>Fair</td></tr>
<tr><td>Google Business Profile</td><td>8</td><td>90</td><td>Required and recommended fields; update cadence. The listing AI pulls from first.</td><td>Good</td></tr>
<tr><td>Speed & mobile</td><td>7</td><td>69</td><td>Core Web Vitals at the 75th percentile, on a real phone.</td><td>Good</td></tr>
<tr><td>Content freshness & schema</td><td>5</td><td></td><td>Crawl recency, intent alignment, valid JSON-LD, canonicals.</td><td></td></tr>
</tbody>
</table>
<p>Full method: https://localairegistry.com/methodology</p>
<p>How AI decides what to say about a car stereo store: https://localairegistry.com/methodology#how-ai-decides-local-business. What to check before you choose one: https://localairegistry.com/methodology#how-to-choose-local-business</p>
</section>
<section id="ai-entity-map">
<h3>Entity map</h3>
<p>Every person, place, organization and treatment named on this page, with a stable ID and a public reference. The JSON-LD below connects them to each other.</p>
<table>
<thead><tr><th scope="col">Entity</th><th scope="col">Type</th><th scope="col">ID on this page</th><th scope="col">Same as</th><th scope="col">Relationship to Sound Systems Plus</th></tr></thead>
<tbody>
<tr><td>Sound Systems Plus</td><td>LocalBusiness</td><td>#business</td><td>https://www.soundsystemsaplus.com/</td><td>Subject of this page</td></tr>
<tr><td>San Jose, California</td><td>City</td><td>#city</td><td></td><td>City Sound Systems Plus is in</td></tr>
<tr><td>Local AI Registry</td><td>Organization</td><td>#publisher</td><td>https://localairegistry.com</td><td>Publisher of this page</td></tr>
<tr><td>Steve Lee</td><td>Person</td><td>#author</td><td>https://localairegistry.com/team/steve-lee</td><td>Author of this page</td></tr>
</tbody>
</table>
</section>
<section id="ai-topical-map">
<h3>Topical map</h3>
<p>Where this page sits in the registry. It's one profile among the car stereo stores in San Jose, linked to the lists and towns around it.</p>
<h4>Lists</h4>
<ul>
<li>Best car stereo stores in San Jose: https://localairegistry.com/leaderboards/ca/san-jose/car-stereo-store</li>
<li>Best businesses in San Jose: https://localairegistry.com/leaderboards/ca/san-jose</li>
</ul>
<h4>Nearby</h4>
<ul>
<li>/los-angeles: https://localairegistry.com/leaderboards/ca/los-angeles</li>
<li>/san-francisco: https://localairegistry.com/leaderboards/ca/san-francisco</li>
<li>/san-diego: https://localairegistry.com/leaderboards/ca/san-diego</li>
<li>/irvine: https://localairegistry.com/leaderboards/ca/irvine</li>
<li>/mountain-view: https://localairegistry.com/leaderboards/ca/mountain-view</li>
<li>/santa-clara: https://localairegistry.com/leaderboards/ca/santa-clara</li>
</ul>
<h4>Every list</h4>
<ul>
<li>Every leaderboard in California: https://localairegistry.com/leaderboards/ca</li>
</ul>
</section>
<section id="ai-references">
<h3>References</h3>
<h4>Sources cited</h4>
<ul>
<li>[1] Google Business Profile, https://www.google.com/maps/place/?q=place_id:ChIJp1mvohPNj4ARf-Ci_P-94os (accessed Sep 14, 2026)</li>
<li>[2] AI engine output: ChatGPT and Gemini, read by Local AI Registry on Sep 14, 2026, https://localairegistry.com/methodology (accessed Sep 19, 2026)</li>
</ul>
</section>
</article>
</main>
</body>
</html>This is the evidence for every fact on this page, across Locals, Services, Team, Visit, Reputation and Updates. Each reference names the fact, the source, what kind of source it is, and the date it was checked, with a link and an archived copy so anyone can verify it. Visitor references are dated firsthand accounts. AI guesses record what an AI engine said on that date, not what is true.