Bass Treble Board, 2 channel in L-R- 2 channel out L-R, DEEP BASS & TREUBLE,Dc12V to 15V Single power supply

Power supply: DC 12V-15V Channel: 2 Audio input: Stereo L/R Audio output: L/R Speaker impedance: Left and Right channel Size: 6x6x2x CM Suitable All 2 Channel Stereo Amplifier L-R