Amplifier Installation in Coronado

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

Coronado drivers, we handle marine audio for the bay crowd and Jeep audio for the daily-driver Wranglers.

Coronado has a heavy mix of marine and Jeep customers, and we handle both regularly. Whether you need a new amplified sound bar for a Wrangler that lives with the top off year-round, or a full tower-audio install for a wakeboarding boat at Glorietta Bay, we have the gear and the experience to handle it. Marine audio installs use weatherproof, UV-rated speakers and corrosion-resistant amplifiers, no shortcuts on connections, no automotive parts that will fail in salt air. Jeep audio installs use overhead sound bars sized for Wranglers and Gladiators, weatherproof tube speakers for roll bars, and kick-panel adds for vehicles where door speakers aren't enough. We also handle factory-look CarPlay retrofits for Coronado daily drivers, alarm systems for vehicles parked along the bay, and custom fabrication for one-of-a-kind vehicles. Hop the Coronado Bridge and head south on the I-5, exit Palm Avenue and we're right there at 1610 Palm. Open seven days a week with walk-ins welcome.