Full range active pillar speaker system
1pc 12" subwoofer + 8pcs 3" speaker (mid-range/tweeter 2 way)

Acoustic Parameters:

Freqency Range(-10dB): 45Hz-20KHz
Freqency Response(±3dB): 55Hz-16KHz
Sensitivity(1W/1M): 95dB
Rated Impedance: 4Ω+8Ω
Peak Max SPL: 118dB
Rated Power AES(sequential/program/peak): 300w / 450w / 900w
Woofer Unit: 12" alu frame+φ50 ferrommagnetic motion+paper cone with cloth surround
Mid-range Unit: 3" metal frame+φ20 ferrommagnetic motion+paper cone with cloth surround
Tweeter Unit: NA 
Product Max Dims: 1363*366*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:  300W+150W
Electronic Two Way