Full range active pillar speaker system
1pc 12" subwoofer + 8pcs 2" speaker (mid-range/tweeter 2 way)

Acoustic Parameters:

Freqency Range(-10dB): 26Hz-20KHz
Freqency Response(±3dB): 33Hz-16KHz
Sensitivity(1W/1M): 90dB
Rated Impedance: 4Ω
Peak Max SPL: 113dB
Rated Power AES(sequential/program/peak): 120w / 240w / 480w
Woofer Unit: 8*12" alu frame+φ50 magnetic motion+black fiber woven complex cone 
Mid-range Unit: 2" plastic frame+φ20 rare earth magnetic motion+rubber surround alu cone
Tweeter Unit: NA 
Product Max Dims: 1815*318*395MM

Amplifier Parameters:

Loading Impedance:  4Ω
Input Sensitivity: 0.775V
Power Supply: AC110V/220V
Signal Noise Ratio: ≥75dB(1W)
Frequency Response: 20Hz-45KHz
THD: ≤1%
Input Impedance: 20KΩ
Low Pass: 20Hz-3.5KHz
High Pass: ≥3.5KHz
Output Power:  120W*2
Electronic Two Way