Audio Processor KRP-DSP808E

A high-performance 8-in/8-out audio processor with 24-bit/48kHz sampling, featuring DSP, AFC, AEC, ANC, EQ, auto-mixing, and user-friendly control via software or web. Supports multilingual UI, scene presets, USB recording, RS-485, and GPIO.
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Description
  • 8-in/8-out high-performance audio processor with 24-bit/48kHz sampling rate, built-in high-performance DSP for superior audio processing capabilities.
  • Integrated functions include gain-sharing auto-mixing, adaptive feedback cancellation (AFC), acoustic echo cancellation (AEC), automatic noise suppression (ANC), matrix mixing, and automatic gain control for clear and stable audio output.
  • Input Channels: Each channel features preamp, signal generator (sine/pink/white noise), expander, compressor, 5-band parametric EQ, 48V phantom power, phase control, and mute—supporting versatile audio needs.
  • Output Channels: Each channel includes 31-band graphic EQ, delay, high/low-pass crossover, limiter, phase control, and mute for precise sound tuning.
  • Supports assigning individual Chinese names to each channel for easier operation.
  • Multilingual interface: Simplified Chinese, Traditional Chinese, and English.
  • One-click display of all function modules; intuitive graphical software interface for easy control.
  • Built-in control code generation for integration with central control systems.
  • Supports 8 scene presets for quick adaptation to various application environments.
  • Built-in device lock and power-off memory protection to prevent misoperation.
  • Real-time device management via Ethernet multi-purpose data transmission and control port.
  • One-key factory reset supported (press and hold for 5 seconds).
  • Channel parameter copy & paste function to improve efficiency.
  • Supports management by up to 10 users per host; usernames can be set in Chinese.
  • USB interface supports firmware upgrades, playback, and recording.
  • Built-in bidirectional RS-485 and 2 GPIO interfaces.
  • Accessible via web browser; no CD installation needed—PC client and platform components available for direct download.
  • Optional control panel available for expanded application scenarios.
Parameter
Item Specification
Analog Input Channels 8 Balanced Inputs
Analog Output Channels 8 Balanced Outputs
Sampling Rate 24-bit / 48kHz
Sensitivity (dBu) 18 / 12 / 6 / 0 / -6 / -12 / -18 / -24
Phantom Power 48V
Frequency Response 20Hz – 20kHz ±0.2dB
THD+N ≤0.004% @ 4dBu
DAC Dynamic Range (A-weighted) 120dB
ADC Dynamic Range (A-weighted) 114dB
Input Impedance (Balanced) 20kΩ
Output Impedance (Balanced) 100Ω
Channel Crosstalk 104dB @ 1kHz, 4dBu
Common Mode Rejection Ratio (CMRR) 70dB @ 80Hz
Maximum Input Level 18dBu (Balanced)
Maximum Output Level 18dBu (Balanced)
Noise Floor -90dBu
Power Supply DC 12V / 2A
Operating Temperature -10℃ to +40℃
Power Consumption <24W
Chassis Dimensions (W×D×H) 484 × 208 × 44 mm
Net Weight 2.35kg
Package Dimensions (W×D×H) 591 × 343 × 112 mm
Shipping Weight 3.1kg (per unit)
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KRP-DSP808E
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