Name*

Email*

Country*

Whatsapp/Phone

Company

Buyer-Project
Buyer-Individual
Distributor/Channel Partner
Consultant/system Integrator
Reseller/Dealer
OEM/ODM
Technical Support
Warranty & Repair
  • {{item.name}}

This site is protected by DSPPA Audio, and also applied to web browsers' Privacy Policy and Terms of Service

-90dB (@17dBu, 1kHz, A-wt)/Line ; -90dB (@-6dBu, 1kHz, A-wt)/Mic, 20dB gain

4-In 4-Out Professional Audio Processor

DP4004
  • 4 analog balanced inputs and 4 analog balanced outputs, with maximum input/output level of 17dBu (5.48Vrms) without distortion.
  • 48V phantom power available per input channel.
  • Microphone preamplifier per input channel with gain adjustable from 0 to 40dB in 1dB steps.
  • Stereo USB sound card function for playback and recording.
  • USB port for computer software control and USB sound card transfer function.
  • RS232 serial port for computer software control and central control integration.
  • RS485 serial port for computer software control and central control integration.
  • Network interface for software control and central control, enabling management of multiple devices simultaneously via network connection.
  • 8 external GPIO ports.
  • LCD screen for configuring device name, presets, IP address, input/output volume, input mode, and for checking firmware version.
  • Comprehensive DSP functions: AFC (Adaptive Feedback Cancellation), AEC (Acoustic Echo Cancellation), ANC (Active Noise Cancellation), AGC (Automatic Gain Control), AUTO MIX (Automatic Mixing), MATRIX MIX (Matrix Mixing), Noise Gate, PEQ (Parametric Equalizer), Delay, FIR Filter, High/Low-Pass Crossover, Compressor, and Limiter.
  • 15-band PEQ for inputs and 10-band PEQ for outputs.
  • 2000ms delay per input channel and 2000ms delay per output channel.
  • 512 Tap FIR per output channel.
  • Voice activation function (camera tracking) per input channel, supporting PELCO-D, PELCO-P, and VISCA protocols.
  • 60 preset memory locations.
  • Support for control box control.
  • Support for Android APP network control.
  • Archive locking and parameter hiding function to ensure project technical security.
Overview Specifications Related Products Solutions Latest News & Cases

This device is a 4-in, 4-out automatic mixing media matrix featuring 4 analog inputs and 4 analog outputs. It offers a comprehensive suite of DSP functions, including feedback suppression, automatic mixing, matrix mixing, equalization, crossover, compressor, AGC (Automatic Gain Control), AEC (Acoustic Echo Cancellation), and ANC (Active Noise Control). The unit is controlled via USB (driver-free) connection to a PC, and supports RS232, RS485, and TCP/IP for integration with central control systems, making it suitable for a wide range of sound reinforcement applications.


Specifications of 4-In 4-Out Professional Audio Processor DP4004


Model

DP4004

DSP Chip

Signal Processing

32bit float point dsp 400Mhz

Audio System Delay

< 3ms

Digital-to-Analog Conversion

24-bit

Sampling Rate

48KHz

Analog Audio Input/Output

Input Channel

4balanced inputs, Mic/line level

Audio Connector

3.81 mm Phoenix plug, 12-pin

Input Impedance

16kΩ

Maximum Input Level

17dBu (5.48Vrms)/Line; -3dBu (0.54Vrms)/Mic@20dB Gain

Phantom Power

+48VDC, 5.5mA per channel

Output Channel

4balanced outputs, line level

Output Impedance

150Ω

Audio Performance Specifications

Frequency Response

20Hz-20kHz (±0.5dB)/Line, input 0dBu (0.775Vrms)

20Hz-20kHz (±1.5dB)/Mic, 20dB gain, input

-10dBu (0.245Vrms)

THD+N

-90dB (@17dBu, 1kHz, A-wt)/Line

-90dB (@-6dBu, 1kHz, A-wt)/Mic, 20dB gain

S/N Ratio

110dB (@17dBu, 1kHz, A-wt)/Line

100dB (@-6dBu, 1kHz, A-wt)/Mic, 20dB gain

Communication Ports and Indicators

USB

Type-B 2.0, drive-free

RS232

Serial port communication

TCP/IP Network Port

RJ-45

Indicator Light

Link, +48V, input and output audio signals

Electrical and Physical Parameters

Power Supply

90V-264V AC 50-60 Hz

Operating Temperature

-20℃~60℃

Dimensions (W*D*H)

483mm*265mm*44.5mm

Package Dimensions (W*D*H)

540*390*80

Overall Package Dimensions (W*D*H)

560*430*425

Net Weight

3.3KG

Gross Weight

4.4KG

Overall Gross Weight (5 Units)

23KG

Related Hot Sale Audio Processor

Choose Your Audio Applications

Contact Us

This site is protected by DSPPA Audio, and also applied to web browsers' Privacy Policy and Terms of Service

Leave a Message Email Us

we will contact you within 24 hours.

Name*

Email*

Country*

Whatsapp/Phone*

Company

Buyer-Project
Buyer-Individual
Distributor/Channel Partner
Consultant/system Integrator
Reseller/Dealer
OEM/ODM
Technical Support
Warranty & Repair
  • {{item.name}}