About Us
Over 20 years of making vehicles sound incredible.
Wholesale car audio, run by people who know the industry
NSI Audio Inc. is a wholesale distributor of car, marine, and powersports audio. We supply retailers, installers, and online sellers with the brands their customers ask for, sourced through authorized channels, priced for your business.
What we carry
Subwoofers, speakers, amplifiers, head units, DSPs, alarms and remote start, and the installation gear that ties it all together, from Rockford Fosgate, Memphis, Kenwood, Hertz, JBL, Pioneer, and 20+ more brands. Everything is 100% authentic with the full manufacturer warranty intact.
How buying from us works
- Dealer accounts, apply with your business and resale info; pricing unlocks as soon as you're approved.
- Tier pricing, your account is assigned a pricing tier, and every product shows your price when you're signed in.
- Quote-based ordering, build a quote right on the site, send it in, and your rep confirms pricing and availability, usually the same day.
Questions?
Call (925) 583-5180 or email cory@nsiaudio.com, Monday through Friday, 9AM, 6PM PST.