Features: 1. woofer: 15" woofer, 60oz magnet 2. Titanium compression driver, Ti44 3. Frequency response: 40Hz-20KHz 4. SPL(1w/1m): 98dB 5. Rated power for inner amplifier: 210W R.M.S/260W MAX 6. Impedance: 4ohm 7. EQ:5-band EQ 8. with USB(MP3) slot, LCD screen, function keys 9. Built-in hole for the stand purpose 10. Voltage selector(110V/220V or 115/230V) 11. LCD can display the vol; serial no. of the song; 8 bandEQ; the running title of the song; time of the song, pause or play slector 12. Two channelsMic in 13. GW/NW: 25/23 kg 14. With ETL certificate for USA and Canada There are two versions in this series: 12"(ASP11236PA) and 15"(ASP11536PA), same looking different spec.