1. Support 2x MIC input
2. MMC card, USB Flash Disk, MP3 player function
3. Input: AC 220-240V, 50Hz or DC 12V/5A
4. FM Radio: 87.5MHz-108MHz
5. DSP sound
6. EQ effect
7. Treble / Bass adjustment
8. Speaker impedance: 4-16ohm
9. SNR: -85db
10. Input impedance: 47K
11. Frequency: 20Hz-20KHz
12. Input sensitivity: 0.25mV-220mV
13. Size: 205mm (L) x 200mm (W) x 53mm (H)