High Power, Strong Performance: This 4-channel Class D car audio amplifier delivers up to 4 x 420W @ 4 Ohms / 4 x 600W @ 2 Ohms (max) for clean, stable output even at high volume. Enjoy full and powerful in-car audio Bridgeable for Extra Bass Power: Bridgeable channels give you the option to combine power output for subwoofers. This 4-channel car amplifier delivers deep, punchy bass without needing an additional amplifier Crystal-Clear Audio Quality: Featuring low distortion (THD < 0.02%) and an SNR above 96 dBA, this 4 channel amp delivers clean, accurate sound from deep bass to smooth jazz, with minimal unwanted noise Better Heat Dissipation: The car stereo amp's aluminum alloy shell quickly dissipates heat from internal components for cooler operation and longer lifespan. The built-in fuse ensures reliable current control for dependable operation under all conditions Wide Vehicle Compatibility: Built to integrate smoothly with sedans, SUVs, pickup trucks, off-road vehicles, and sports cars, this 4-channel amplifier works with nearly all 12V automotive systems