4-Channel Full-Range Car Amplifier

The JBL GX-A604 is a compact yet powerful 4-channel, full-range amplifier designed to elevate your car's audio system. It delivers a robust 60 watts RMS x 4 channels into a 4-ohm load, and can also output 85 watts RMS x 4 channels into a 2-ohm load. For even more flexibility, it can be bridged to provide 170 watts x 2 into 4 ohms. This versatile amplifier features on-board variable electronic crossovers that are fixed at 80Hz and can be set to either high-pass or low-pass, allowing it to drive full-range speakers or function as a dedicated subwoofer amplifier. The rear channels are equipped with a switchable Bass Boost circuit, offering up to +12dB of gain at 45Hz to enhance low-end frequencies. Connectivity is straightforward, with both low-level RCA and high-level inputs included. The high-level input utilizes a supplied Molex connector and harness, ensuring compatibility with virtually any factory or aftermarket head unit. Its compact dimensions—measuring just 2-1/16" high, 8-1/8" wide, and 11-13/16" deep—make installation easier, while the cast-aluminum heat sink ensures efficient heat dissipation.