DSP4.14 amplifier

DSP series from DEMO Audio is a new milestone in the ClassD professional power amplifier.Using advanced ClassD power module and SMPS power module, makes it with the high efficiency and reliability, and high power density as well. Built-in DSP, fully digitally controlled, standard with a USB To PC communication port.

Applications

The touring/portable audio performance; The Bar/ Music Hall;

The stadium/arena.

Category:
DSP Specifications Frequency pling frequency 96KHz 24-bitA/D and D/A conversion
LCD display Backlight 2×16 characteristics LCD display
Input impedance 20kΩ/10kΩBalanced / unbalanced:20kΩ/10kΩ
Max input level +17dBu (5.5V)
Frequency response 20Hz-20kHz (0-0.5dB)
Route Each output channel can use different input channel or any combination of input channels
Gain  +15dB,-40dB, 0. 1dB per unit
Delay 0-20msseparately delay control for each input and output channel, adjustment range 0-800ms
EQ Iinput and output channel can be set up 31 equilibria, PEQ/Lo-Shelf/Hi-Shelf
Frequency LinkwitzRiley/Bessel/Butterworth,(Frequency):20Hz-20kHz
Limiter Step:1ms,  Starting:10ms-3000ms;Hold: 0ms-3000ms;Release: 10ms-3000ms
THD+N (typical) <0.05%
Frequency response +/-0.5dB
Signal To Noise Ratio >100dB
Damping factor >600
Conversion rate >20V/us
Input sensitivity 29dB、32dB、35dB、38dB、41dB
Wind path The fan with temperature control and variable speed,airflow from front to rear
Circuit protection Soft start,DC,Infrasonic frequency,High-frequency,Overheat,Short circuit,Mute on/off

Product Characteristic:

1、Built-in Analog digital signal processor, Lightweight body, strong power output;

2、Audio signals can be processed accurately by route, gain, phase,mute,parametric equalizer, delay.frequency division, compression and limitation.

3、The power amplifier adopts a stable and efficient ClassD power amplifier module.The efficiency of theClassD power amplifier module is over 92%,which makes the DSP series power amplifiers have high efficiency and reliability, and also has extremely high power density.;

4、Power supply adopts high efficiency and stable R-SMPS power supply system;

5、The soft start LLC resonant SMPS module;

6、The active power factor correction (PFC), can be stable working in full voltage range (90-264V)

7、Perfect protection system to effectively reduce damage caused by improper use and further improve machine reliability;

8、The efficient speaker EMF absorption system;

9、The unique peak limiter and ripple cancellation network ;

10、The low frequency powerful, depth is extremely low,mid high frequency with high transparent,clear and sweet ;

11、The integration design of the power amplifier module and power supply module, more than 85% components with mechanical automation operation,to ensure the consistency of the product;

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