uxcell&reg; DC 12V 180W Car Hifi Stereo Audio Power Amplifier Product Name: Car Audio Amplifier; Color: Blue Material: Aluminum; Dimension: 15 x 9.5 x 4cm/6" x 3.7" x 1.6"(L*W*T) Package Content: 1 x Car Audio Amplifier; Frequency Response: 20Hz-20KHz Power: 180W; SNR: 85dB Port Dia.: 3.5mm