Features： 1、COMPATIBILITY: Specifically optimized for Android car stereo systems, this DAP amplifier allows for plug and play installation without complex setups, letting you easily enjoy a high sound experience in no time. 2、ULTRA HIGH SOUND QUALITY: Featuring cutting edge technology, this car stereo amplifier comes equipped with adjustable treble, midrange, and bass knobs, allowing for a precisely balanced sound quality that vividly showcases every sound frequency. 3、POWERFUL OUTPUT: With a robust output of 4 channels at 60W each, this amplifier ensures that every musical detail is flawlessly delivered. Whether you're rocking out to energetic tunes or enjoying the elegance of classical music, it effortlessly handles all genres. 4、ENHANCED SOUND EXPERIENCE: Designed to elevate your listening experience, this amplifier enhances your vehicle's sound system, providing rich lows, crisp highs, and clear midrange sounds that immerse you in your favorite music. 5、RUGGED CONSTRUCTION: Built to last, this car stereo amplifier features a robust design that ensures reliability and longevity, making it a worthy investment for any music enthusiast seeking top notch performance. Specification： Item Type: Amplifier? Material: Metal Working Voltage: DC 12V Standby Current: ≤1mA Standby Power Consumption: ≤0.1W Signal To Noise Ratio: 96dB Separation: ≤0.01% Total Harmonic Distortion: 14 vpp Signal Input Voltage: 25 vpp Signal Output Voltage: 48k to 192k Sampling Frequency: 20hz to? 20khz Frequency Response Range: 50hz to 300hz Bass Adjustment Range: 1khz to 20khz Treble Adjustment Range: -12dB To 12dB Volume Adjustment Range: 4ch x 50W Rated Power: 4ch x 60W Maximum Power Input Impedance: V5-On 4Ω Output Impedance: 4Ω Fitment: Universal for Android Car Stereo System Package List： 1 x DAP Amplifier 1 x Wiring 1 x User Manual