DescriptionThis dual channels audio amplifier is made of premium material, which can withstand long-lasting use. Features the aluminum alloy material, which has high durability, not easy to deform. Fine workmanship, ensures practicality. This dual channels audio amplifier will make the sound output more powerful and smoother.Features-Color: Black-Material: aluminum alloy -Size: 13.00X11.00X4.70cm/ 5.11X4.32X1.85in Input voltage: DC 12V Current requirements: more than 2A Output power: 20W x 2 Frequency response: 20Hz-20kHz SNR: 80dB Output impedance: 4-8ohm Distortion: <4% Input: AUX/RCA - Support multiple audio device connecting, fit for TV, car, computer, and etc. - High definition music encode, stable connection, allow you to enjoy your drive. - Dual channels output, one key to adjust audio, clear voice, great and strong power. - The big knob is designed with blue LED light, which makes the product more beautiful. - Low distortion provides clearer, stronger and more powerful sound.