• High efficiency DPT Technology
  • Premium heavy duty Toroidal Transformer
  • Highly sensitive CMRR balanced input stage
  • Ultra low-load output capacity
  • Channel independent power, Signal and clip LEDs

No.Of Channels 4
Output Power(per channel)

4 X 480 Watts @ 8Ω
4 X 820 Watts @ 4Ω
2 X 1380 Watts @ 8Ω in bridge mode

4Ω in bridge mode not recommended


Frequency Response 20Hz - 20kHz, +0/0.5dB
Total Hormonic Distortion + Noise <0.1%
Signal to Noise Ratio 110dB
Damping factor >300
Crosstalk <-60dB
Slew Rate >10V/us
Ful Power Input Sensitivity 1.5V
Input Impedance 20kΩ Balanced
Voltage Gain 32dB
Cooling Air flow from front to rear
Protection Fuseless short circuit protection,
Ultrasonic and RF protection, Thermal protection
Load Protection Turn on delay, DC fault protection, ultrasonic limiting
Power Requirement 230V AC 50Hz, ± 10%
Input Power 1200 Watts
Inputs Balanced inputs XLR-F,Link XLR-M
Outputs NL4 Speakon
Front panel Power Switch, Level control, Power indicator, Signal indicator, Clip Protection
Rear panel Stereo/Bridge switches, Sensitivity selection switch
VCL selection switch

89 mm X 482 mm X 471 mm (3.6” x 19” x 18.6”)

Net Weight 28.4kg (62.6 lb)
Packed Weight 32.2 kg (71 lb)


Tags: ProLine , Amplifiers , DPT , AD4820