Amplifier Installation in Old Town San Diego

An amplifier is what makes aftermarket speakers actually breathe. Stock head-unit amplifiers typically deliver around 18 watts RMS per channel, enough for daily-driver volume, but well below what good aftermarket components are designed to receive. Our techs install mono subwoofer amplifiers, 4-channel speaker amps, 5-channel hybrids that drive front speakers and a sub from one chassis, and dedicated DSP-controlled amplifiers for builds where signal processing matters. Every install includes correct-gauge power wire (0/4/8 AWG depending on amp draw) routed cleanly through the firewall, an in-line fuse holder within 18 inches of the battery for safety, ground-loop isolators on factory radios to kill alternator whine, RCA shielding to prevent ignition noise, and final gain-matching using calibration tones and a multimeter. Gains are set with the speakers' RMS rating in mind so the amp runs in its clean range and the system has real headroom. Class-D efficient mono amps start around 500 watts RMS for daily-driver bass; 4-channel amps for full-range speaker upgrades start around 75 watts per channel. Lifetime workmanship warranty on every amp install.

• 0/4/8 AWG power wire to spec
• In-line fuse holder within 18" of battery
• Ground-loop isolators on factory radios
• Gain-matching with calibration tones

Old Town drivers, a 16-minute run up the I-5 to our Palm Avenue shop. Classic cars, daily drivers, and tour vans all welcome.

Old Town runs a unique vehicle mix, tour vans and trolleys for the historic park, daily-driver sedans for the Presidio Hills neighborhoods, and classic cars heading to weekend cruise spots. The I-5 south from Old Town Avenue gets you to 1610 Palm in about 16 minutes. Common Old Town installs include vintage radio restorations with hidden Bluetooth modules, classic-car audio upgrades that preserve original dash appearance, factory-look CarPlay retrofits for daily drivers built before 2018, marine audio for boats kept near the SD River channel, alarm systems for vehicles that park along Juan Street and Taylor, and dashcam installs for tour and rideshare vehicles. We also handle custom fabrication where modern speakers need to fit older door panels. Walk in any day, free quotes, financing through five lender partners.