Copyright 2015 Granite state audio . No Animals were harmed in the making of this website.

Welcome to GSA! Whether you need one radio installed or 200 GPS units installed I will strive to provide the best possible service and products at reasonable prices. Please ask any and all questions that you may have, I would love to earn your business

Phone: (603)513-9131




Car-Audio, Video, Security, Navigation, Bluetooth, Lighting, LEDs, Keyless entry, Radar, Cameras, Aux, Usb, remote starts and more.


Marine- Audio, Video, Navigation/GPS, Sonars, Lighting, Electrical repairs, Bluetooth, Aux, Usb, Security, and more.


Home-Audio, Video, Security, Home integration.

Fleets-Gps,drivecams,ELDs,and more

Service as solid as the name

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