2.1 channel multiemdia speaker with USB SD functio

Decscritpons: Output power:15W+ 10W*2 (RMS)Speakers:5Inch+3 Inch*2Frequency response:45Hz-18kHzS/N:≥50dBSeparation: ≥40dbDistortion:≤0.3%(0.5w 1kHz)Input sensitivity:650mv(sub-woofer):280*192*200mm(Main satellite):93*348*136mmCarton size:650*500*398mmPacking:4 sets/ctnWith USB SD function20GP 866/40GP 1794/40HQ 2103 (SETS)Full-featured mini remote control, everything is in your control.With superior USB/SD card decoding functionABS high light plastic panel with delicate silk screen pattern, fully presenting the traditional Chinese style.whole MDF wooden enclosure, effectively eliminating harmonic and box sound; more elastic for the sound.Magnetically shielded design for easy placement;Front control buttons, more simple and convenient for operation.