D-402 power amplifier

D-402 power amplifier

  • Introduction
  • Parameter

product introduction

SONIC PRO®Once again bringing scientific and technological achievements in energy conservation and environmental protection to China,SONIC PRO®theDThe performance of the series of digital power amplifiers has reached a height that cannot be reached by similar products.1UThe structural design, high-fidelity effect and surging power output of the rack have been highly recognized and praised by professionals. In addition, comprehensive software control and network systems can be widely used in all regions of the world. becauseSONIC PRO®With leading technology, many large leasing companies and various venues that need professional sound reinforcement now useSONIC PRO®Our products are one of the first choices.

product features

Advanced switching power supply technology and pulse width modulation technology (PWM), which can provide high-quality sound effects and continuous power for slightly;

95%The above conversion efficiency and higher working effect truly achieve the goals of energy conservation, environmental protection and reduction of electricity consumption;

Power factor correction technology, very low power consumption, wider working voltage, more stable working state;

Low-noise axial flow variable speed fan;

Comprehensive protection circuit includes: DC, infrasound, high frequency, amplitude limiting, overheating, and short circuit protection functions;

Small size, light weight, compact size, all models only1URack. 

Rated output power:8Ωstereo400W×2
Rated output power:4Ωstereo650W×2
Rated output power:2Ωstereo1100W×2
Rated output power:8Ωbridging1100W
SNR:107dB(ACalculate power)
Input sensitivity:1.25V
amplifying circuit:Dclass
Total nil distortion (20 Hz - 20 kHz, 8 Ωload): 0.1%
channel resolution(1K Hz 8Ω):85dB
frequency response range:20-20kHz, ±0.5dB
damping coefficient(1K Hz 8Ω) :400
Input impedance: balanced20K Ohms, unbalanced10Kohmic
Input connection method(each channel): XLR
Output connection method(each channel): Four-core slightly square seat
Protection circuit: surge current limiting, power switch protection circuit, temperature detection, output DC protection, temperature controlSOAProtect, Smart power insurance protection.
Cooling: Temperature controlled axial flow variable speed fan, ventilation from front to rear
size(wide×deep×high):485mmx260mm×44mm
Net weight:3.5kg
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