(Out of production) DP-4400 Digital Module Board
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Product Details
(Out of production) DP-4400 Digital Module Board
Features:
The perfect partner for audio processing of Professional power amplifiers and active speakers;
4 inches color LCD touch screen.
96KHz sampling rate,24-bit A/D and D/A converter,32-bit DSP chip;
4 balanced inputs and 4 unbalanced outputs; External expansion of GPIO;
Powerful operating system with embedded ARM processor;
Output channels include Mute,Polarity,Gain,Delay,X-over,8-band PEQ and Compressor and so on. Max Delay:1s ;
Slope type includes Butterworth, Linkwitz-riley, Bessel; adjustable frequency points, Gain and bandwidth of EQ; optional PEQ , Hi-Shelf and Lo-Shelf;
Attenuation slope:12dB/oct、18dB/oct、24dB/oct、48dB/oct;
Threshold value:12dBμ, Step:0.05dBμ,Start time:3ms-100ms,Step: 1ms；Release time:2 times, 4 times, 6 times, 8 times, 16 times, 32 times more than start time;
Support Temperature monitoring and control function;
USB, RS485 and RS232 connections can realize direct or remote Control by PC software.
Applications:
Full digital power amplifier, high end custom active speaker
Technical Parameter
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Model |
DP-AMP4400 |
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Input/Output channel |
4Input(balanced) |
4Output(unbalanced) |
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Output channel |
Mute |
√ |
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Sensitivity |
2.2dBu(1V)/12dBu(3V) |
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Route |
Each input channel can be selected to each output channel. |
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Gain |
adj range:-60~0dB step: 0.1dB |
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Delay |
Each input channel has delay control, adj range:0-1000ms |
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Polarity |
In phase(+) & reversed phase( -) |
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EQ |
Each output channel has 8 band EQ: Modes PEQ/Lo-shelf/Hi-shelf |
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X-over |
LPF,HPF, PF mode: |
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Limiter |
Gate level: -28~+2dBμ,Step: 1dBμ,Start time：3ms-50ms, Step:1ms Release time: Release time can be set as 2/4/6/8/16/32times. |
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Input /Output port |
Input：balanced Output：unbalanced |
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Parameter |
96KHz sampling freq,24 bit AD/DA conversion. |
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Display |
4 " TFT 800＊600 wide screen display setting |
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Touch Screen |
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Input impedance |
Balance 24KΩ |
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Output impedance |
Imbalance 100 Ω |
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Input range |
≤+12dBu |
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Frequency |
20Hz-20KHz(0~-0.5dB) |
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S/N |
＞105dB |
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THD |
＜0.01% （Output=0dBu/1KHz） |
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Separation |
＞80dB(1KHz) |
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PC port |
Front panel has 1 USB port, 1 RS485 Port |
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Power |
A+12V,A-12V ,D+5V，（A+5V） |
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Gross Weight |
1 KG |
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Dimensions （W×H×D） |
256×191(mm) |
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