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The Powerbass ULX-4120 is a versatile 4-channel Class AB car audio amplifier designed to boost your vehicle’s sound system with clean, dynamic power. It delivers approximately 120 W RMS per channel at 4 ohms, with higher output when driven at lower impedances and bridged for driving a subwoofer pair, giving you flexible options for powering front, rear, and even sub speakers. The amp includes adjustable gain controls, bass boost, and high/low pass crossovers so you can tailor the sound to your setup, and its compact design makes installation in most vehicles straightforward. With a frequency response covering a wide audio range, it’s built to improve clarity and depth across your music.
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