Model A886 Quantity 1 piece(s) Color White + black+ silver Material PE Amplifier Class AB Function Applies to computer family living room car Singnal Compatible Can connect to computer cell phone CD VCD DVD. MP3 and other digital audio signal input Frequency response 10~100000 Hz Number of Channels 2 Input Power 9W Peak Power Output 9W 4g 10% RMS Power Output 25W 4ohm 12W 8ohm Input Sensitivity 200mv +/- 10mv lnput Impedance > 10Kohm Signal To Noise Ratio >/= 90 dB Slewing Rate 81% @ 20W 4ohm 88% @ 12W 8ohm Input Voltage 9V Speaker Impedance 32ohm THD (Total Harmonic Distortion) 60dB Interface USB Remote Control No Application Cars mobile advertising clothing stores barber shops leisure library mall supermarket home theater factory workshop; Compact simple high quality sound system solution Other Features Experience your Hi-Fi MP3 music beyond studio quality connect a simple USB cable you can enjoy high quality ultra-fidelity sound integrated sound card no longer have to endure the torture of the board Packing List 1 x Amplifier (100cm) 1 x Pouch 1 x CD