Technial Parameter 
LF Unit: 1x6.5＂coaxial speaker
Power: 40W (RMS) 60W (PEAK)
Frequency Response: 65Hz-20KHz (-3dB)
Sensitivity: 89dB / 1W / 1M
Max. SPL: 107dB (RMS) 113dB (PEAK)
Nominal Impedance: 8Ω
Transformer constant pressure power: 15W / 30W / 60W @ 100V
DC Impedance: 6.4Ω ± 15%
Quality control range: ± 2dB (<1KHz)
Anti-magnetic effect test: no anti-magnetic
Earthquake drop test: 1 meter height drop, no damage
Connector: Speaker Spiral Terminal
Box material: iron material and plastic combination
Weight: 3.2Kg
Size: (W * D * H) 240x240x160mm