D-500 is a 4 x channel high power digital amplifier featuring 4 x 500 W into 4Ω load and 2 x 1000 W in bridge mode.

  • 500 W x 4 / 4 Ω
  • 1000 W x 2 /8 Ω
  • Class-D
  • DSP on board
  • OLED display
  • PC Editor software


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D-500.4 is a 4 x channel high power digital amplifier featuring 500 W per channel into 4Ω. In bridge mode it becomes a stereo amplifier delivering 1000 W per channel. D-500.4 includes a powerful DSP where all parameters can be edited via a built-in OLED screen with an encoder or via a PC using the software editor. DSP functions include 8 band EQ, noise gate, compressor and delay with temperature setting. Working modes and channel routing are also available and can be edited easily as other DSP parameters. The D-500.4 is very compact (1U rack) and light (8kg), so it is a perfect amplifier for high power fixed or mobile applications.
MODEL D-500.4
Power (Both Channels Drive) 500W x 4 (4Ω)  /  250W x 4 (8Ω)
Bridge Mono Mode 1000W x 2 (8Ω)
Input Sensitivity (limit OFF) 0.9 - 1.1V (0+/-1dBv)
Input Impedance 20KΩ balanced or 10KΩ Unbalanced
Frequency Response (At 10dB Below Rated Output Power) 20 Hz~20 KHz (+0/-1 dB)
Voltage Gain 34+/-0.5dB
THD+N (Ref.1kHz 1/8 Rated Power, A-Weighted) <0.1%
S/N rate (Ref. Rated Power, A-Weighted) >100 dB
Crosstalk (Below Rated Power) >70 dB
Damping factor (1kHz, 8Ω) >200
Power/Output Circuitry Switching Power - CLASS D
Protections Full short circuit, open circuit, thermal, ultrasonic, and RF protection stable into reactive or mismatched loads, turn ON/OFF, Mute, tried crowbar.
Controls Front: AC switch, OLED, encoder Rear: Pre-set selector
Indicators OLED Screen
Connectors INPUT : NEUTRIK COMBO XLR/TRX OUTPUT : speak-on jacks
Power Supply AC:110-120V or 220~240V 50/60 Hz
Dimension (W x D x H)  483 x 460 x 44 mm
Weight 8.0 kg

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