PROZOR HiFi Bluetooth 4.1CH Stereo Audio Amplifier

  4.1 Channel Bluetooth Power Amplifier Our Amplifier can connect 4 speakers (A,B,C,D)+1 subwoofer Compatible with: CD/DVD/USB/SD/FM/MP3 etc. Supports: Bluetooth, Loudspeaker, Remote Control, SD Card Music Playing Functions: AUX Function, Noise Cancelling, Songs Track, Stereo Interface: 3.5mm Audio, SD Card Slot, USB2.0 Meterial: aluminum alloy Bluetooth version: 5.0 Input voltage: 12 ~ 13.5V / 2A ~ 5 A Input current: 12V 5A power supply (included) Max output power: 180 watts (RMS 45W * 4) Load impedance: 4-16 ohms Frequency response: 20Hz-20KHz Total Harmonic Distortion: <0.1% at 1 KHz SNR:> 70db Input impedance: 47K     Note  This product is a power amplifier and cannot make sound by itself. It must work with the speaker There is an isolation plastic sheet at the bottom of the remote control, which needs to be removed before use, otherwise the remote control will not be powered. If the battery of the remote control can not work, you can replace it with CR2025 mode