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professional DSP audio processor for sound system

FOB Price: US $1,000 - 2,000 / Piece | Get Latest Price
Min.Order Quantity: 1 Unit/Units
Supply Ability: 1000 Unit/Units per Month
Port: Shenzhen
Payment Terms: L/C,T/T
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Quick Details

Place of Origin:
Guangdong, China (Mainland)
Brand Name:
Model Number:
Audio processor
RMS Power:
less than 30W
Dynamic range::
103dBA,101dB unweighted
DSP Capability:
Max input level:
max output level:
+21dbu, balanced

Packaging & Delivery

Packaging Details: STANDARD


1.Signal mixing, route, equalizer,etc
2.Handles 8 channels analog signal
3. DSP audio processor
4. RS1200 software

The DRD28A audio processor is a 1U device with multifunction of signal mixing, route, equalizer, 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.

Technical specifications

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




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



Contact Person: Sam zhu


Tel: 0086-0755-83926781


Mobile: 86-18682310207


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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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How It Works

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

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