1. Built-in 2.1CH Amplifier

2. Real 2.1 channel input/output, 2*AUX input,USB/SD

3. Full function remote control

4. Table standing type speaker made of plastic

5. Total output power:60W RMS (15W*2CH+30W)

6. Speaker Parameter:Subwoofer: 4"*1;Satellite speaker:3"*1

7. Frequency response:Subwoofer:38Hz-250Hz; Tower speaker:250Hz-20kHz

8. Sensitivity:87dB

9. Impedance:8 Ohm

10. THD.〈10%

11. Quality Standard: AQL: 1.5 Major – 4.0 Minor