ITEM NAME:Power LED Indicator Motorcycle 2 Channel Car Amplifier Subwoofer Stereo Audio Description: Mini Hi-Fi stereo amplifier for car, motorcycle, computer speaker and other home audio applications. 2 channels mini amplifier. Power LED indicator, stereo inputs. High and low pass filter switch. Matched with power cable and audio output cable. Aluminum case that keeps the unit cool. Specification: Material: aluminum alloy Model: MA150 Input voltage: 9-14.4V DC Frequency response: 20Hz~20KHz&;nbsp;&;nbsp; Output impedance: 4-8R Output power: Pout=20W+20W @ RL=2ÃŽ © AT DC=14.4V 1K THD=10%&;nbsp;&;nbsp; Harmonic distortion: ≠¤0.07%1W&;nbsp; &;nbsp; SNR: ≠¥78dB TREBLE: +8dB&;nbsp; 10KHz&;nbsp; BASS: +8dB&;nbsp; 100Hz The signal level: 200MV 47K Input power supply: DC12V Current requirement: 2A or more Chip: TDA7377 Color: red Size(approx): 11*8*4 cm Package:&;nbsp; 1 pc x Amplifier 2 pcs x Cable Note: 1. Due to the light and screen difference, the item's color may be slightly different from the pictures. 2. Please allow 1-2 cm differences due to manual measurement. &;lt;-------------------description1------------------&;gt;.2 channels mini amplifier. Power LED indicator, stereo inputs. 1 pc x Amplifier. Matched with power cable and audio output cable. Output power: Pout=20W+20W @ RL=2ÃŽ © AT DC=14.4V 1K THD=10%&;nbsp;&;nbsp;.