Blue-tooth In Wall Aplifier Support USB/SD Card Panel 86 Standard Stereo Sound Player Sart Hoe Background Music

Output Power RMS 2x20W Output Impedance 4-8Ω Audio S/N 98dB T.H.D. 0.03% Infrared Remote Control Distance 10M Frequency Response 20Hz-20KHz Size 86*86*11mm Package size 17*12*8cm In Wall Amplifier Funtions: 1. Audio format: Support MP3, WAV, APE etc. 2. Blue-tooth function: Support pairing of external Blue-tooth devices such as mobile phones for audio playback. 3. External sound input: Support external sound source input to the hine, amplified output. 4. Memory card function: external TF card, support 32GB TF card. 5. USB function: Connect USB (support 32GB) to read music, and easily set up family background music space. 6. Volume adjustment: 15-level electronic volume adjustment function. 7. Power-off memory function: memorize the state played before the last shutdown.