Power Amplifier

Mixing Console

Powered Mixer

Processor

Portable System

Loud Speaker

Public Address System

Public Address Speaker

D 621

Professional 1U 2.1-Channel Power Amplifier

  • Controls
    - Front:Volume Control by 21 detent potentiometer for each channel
    - Rear: Mode selector switch (Parallel/Stereo/Bridge), Crossover Switch (Full Range/L,R+Subwoofer)
  • Connectors
    - Input: XLR and 1/4" Phone Jack ( Combo) Balanced
    - Output: 5 way Bindig Post and Speakon® Jack
  • Indicator: Signal, Clip, Protect & Active Power
  • Protection: Output Current Limiting, Thermal Protection & DC Offset Protection
  • Cooling : Convection Cooling
Specifications CH 1/2 CH 3 (Subwoofer)
Rate Power
(1 kHz, THD 1%)
Stereo @ 8 Ω 300W @ 8 Ω
Stereo @ 4 Ω
Bridge @ 8 Ω
Input Sensitivity (4Ω, 1 kHz) 4 dBu
Input Impedance 30 kΩ Balanced / 15 kΩ Unbalanced
Input CMRR (1 kHz) > 60dB
Frequency Response (±1dB) 20 Hz ~ 20 kHz
AMP Class D
T.H.D (1 kHz, 1/3 Power) < 0.03 %
Signal to Noise Ratio > 100 dB
Damping Factor (8 Ω, 400 Hz) > 200
Channel Separation (8 Ω, 1 kHz) > 70 dB
Power Supply Switching Mode
Power Source AC 100~240 V, 50/60 Hz
Weight (Net) 4.5 kg
Dimensions (W x H x D) 482 x 44 x 330 mm
*Specifications and design subject to change without notice for improvements.