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8-in 8-out Signal Mixing, Routing, Equalizing PRE-AMP Audio Processor C-MARK DRD28A

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Min.Order Quantity: 1 Piece/Pieces for sample testing
Supply Ability: 100 Piece/Pieces per Month
Port: Shenzhen
Payment Terms: T/T,Western Union
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Quick Details

Place of Origin:
Guangdong, China (Mainland)
Brand Name:
Model Number:


Signal mixing,route,equalizing
Handle up to 8 CH analog signal
40-bit floating-point precision
200 MIPS SHARC processor




DRD28A audio processor is a 1U device with multifunction of signal mixing, route, equalizing, etc, which simultaneously handles up to 8 channels analog signal with Line/Mic input.
With an internal 200 MIPS SHARC processor, it processes audio signals with 40-bit floating-point precision by using C-MARK RS1200 software.
Therefore DRD28A audio processor is capable of processing high quality audio signal. It has been widely applied in various occasions, including professional and entertainment applications.


DSP processor with powerful computation function;
Support the computation of 40-bit precision floating-point;
Various built-in audio computation processing modules;
8 analog inputs, 8 analog outputs;
The gain for each Mic/Line input channel is from 0dB to +66dB;
The 48V Phantom power supply of each channel can be controlled separately;
8 different DSP processing modes, which can be optionally set through front panel;
It can be configured in a PC based on Windows system, simple operation and easy to understand;
Suitable for various applications.

Delays: 50 ms, 100 ms, 200 ms, 500 ms, 1000 ms;
Routers: 4×4, 8×8, 16×16;
Mixers: 4×1, 4×2, 4×4, 8×1, 8×2,8×4,8×8 mixers
Dynamics: Levelers, Compressors, Limiters, Noise Gates, Expanders, Clipper;
Signal Generator: Sine, White Noise, Pink noise;
Equalizers: Parametric Equalizers, Graphic Equalizers;
Filters: High-pass, Low-pass, Low-pass shelving, High-pass shelving;
Crossovers: 2-way, 3-way, 4-way;
Level Meters: Level Meters of 1-channel, 2-channels, 8-channels.

Because c-mark DRD28A can provide users with high quality audio signals, it has a wide application, which can match the demand of sound reinforcement for most professional fields and social entertainment.


Analog signal input specifications
The analog signal input is transformed into 24-bit and 48 kHz digital signal
Frequency response: +/-0.2dB, 20Hz~20 kHz
Highest gain: +66dB
Phantom power supply: +48V DC (10mA/output)
Dynamic range: 103dBA, 101dB
Highest input level: +30dBu, balanced differential motion
Input impedance: 6.3kohms

Analog signal output specifications
24-bit and 48khz digital signal is transformed into analog signal output;
Frequency response: +/-0.2dB,20Hz~20kHz
THD+N: <0.05% @4dbu 1KHz;
Phantom power supply: +48V DC (10mA/input)
Dynamic range: 103dBA,101dB
Highest output level: +24dBu, balanced differential motion
Output impedance: 100ohms, able to drive at least 600ohm load

Other specifications
Power supply: 110-240V AC,40~60hz
RMS Power: less than 30W
Temperature: +5-40°C
Humidity: 5-85%

Size specifications
Size (length x width x height): 430mm x 291mm x 44.5mm (rack not included)


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Founded in 1993, Shenzhen Bao Ye Heng Industrial Development Co., Ltd. is the branch of U.S.A C-Mark Light and Audio. Our company specializes in the development and manufacture of pro-audio equipment, having more than 500 dealers throughout China. We also have numerous international distributors throughout Southeast Asia, Europe, America and Africa. (We are a manufacturer / factory and exporter of professional audio / sound equipments.)

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Basic Information

Business Type: Manufacturer, Trading Company  
Main Products: Loudspeaker, Power Amplifier, Audio Mixing Console, Audio Signal Processor, Microphone  
Number Of Employees: 201 - 300 People  

Trade & Market

Main Markets: North America
South America
Eastern Europe
Southeast Asia
Mid East
Eastern Asia
Western Europe
Central America
Northern Europe
Southern Europe
South Asia
Trade Shows: NAMM winter show   Pro Sound+Light Frankfurt    

Factory Information

Factory Size (Sq.meters): 5,000-10,000 square meters  
Factory Location: Building 3, 4F & 5F, Building 2, Huali Industrial Park, Fuqiao 1st Zone, Tianfu Road, Qiaotou Community, Fuyong Street, Baoan District, Shenzhen City, Guangdong Province, China  
No. of Production Lines: 7  
Number of R&D Staff: 11 - 20 People  
Number of QC Staff: 11 - 20 People  
Certifications: ISO9001
Contract Manufacturing: OEM Service Offered   Design Service Offered   Buyer Label Offered  

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China (Mainland) | Contact Details
Experience: Established 1998 , 16 years OEM

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