GY14D 1400W*4 @8ohm 1 u class D digital power amp with PFC

1U+Class D+ PFC digital SMPS 4 channel power amplifier 
Stereo power 8Ω(RMS): 1400W*4
Stereo power 4Ω (RMS):2300W*4
bridge power 8Ω (RMS):4600W*2
bridge power 4Ω(RMS): 7200W*2
Net weight: 10.1kg

Frequency response(20Hz-20kHz) : +/-0.5Db
THD: ≤0.35%(8Ω，20Hz--20kHz，1/8 rated power)
Inter modulation distortion : ≤0.15%(8Ω，60+7kHz，1/8 rated power)
S/N (A weight) : ≥104dB
Sensitivity (rated power 8Ω): 0.775V/1V/32dB
Damping Factor: ≥600
Slew Rate: ＞20V/us
Input impedance ,Balanced ＞20kΩ / Unbalanced＞10kΩ
Conversion rate: ≥20v/uS
Resolution: ≥70dB
Protection: Soft start, VHF, DC short circuit.Overload,Clipping ,Distortion limit,Overheat
Power supply voltage: 90V~260V
Dimensions W x D x H (mm): 483*228*45mm