# 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 - ![Photo 1](https://localairegistry.com/api/photo?src=https%3A%2F%2Fseoaesthetic-assets.sfo3.cdn.digitaloceanspaces.com%2Fphotos%2Fcmu18ps8v0g4byexvlnk6ipwm%2F0.jpg) - ![Photo 2](https://localairegistry.com/api/photo?src=https%3A%2F%2Fseoaesthetic-assets.sfo3.cdn.digitaloceanspaces.com%2Fphotos%2Fcmu18ps8v0g4byexvlnk6ipwm%2F1.jpg) - ![Photo 3](https://localairegistry.com/api/photo?src=https%3A%2F%2Fseoaesthetic-assets.sfo3.cdn.digitaloceanspaces.com%2Fphotos%2Fcmu18ps8v0g4byexvlnk6ipwm%2F2.jpg) - ![Photo 4](https://localairegistry.com/api/photo?src=https%3A%2F%2Fseoaesthetic-assets.sfo3.cdn.digitaloceanspaces.com%2Fphotos%2Fcmu18ps8v0g4byexvlnk6ipwm%2F3.jpg) - ![Photo 5](https://localairegistry.com/api/photo?src=https%3A%2F%2Fseoaesthetic-assets.sfo3.cdn.digitaloceanspaces.com%2Fphotos%2Fcmu18ps8v0g4byexvlnk6ipwm%2F4.jpg) ## 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)