4-in 8-out audio processor DPA480A
Key Word ：
Digital Public Broadcasting System
# I. Core Functional Features
1. Sampling rate of 96kHz/24BIT
2. 15 bands of parametric equalization for input and 10 bands of parametric equalization for output, built-in high-pass and low-pass filters
3. Equipped with allpass filters and FIR phase correction function; the input channel is configured with 41024 Taps by default, and the output channel is configured with 8512 Taps by default
4. DEQ dynamic equalization as standard configuration
5. Supports archive encryption to facilitate saving factory preset parameters
6. Built-in dynamic equalizer
7. USB driver-free automatic connection to debugging software; compatible with RS232 central control, as well as wired and wireless TCP/IP control
8. Enables wireless device control via Android APP
9. Supports networking and joint debugging of multiple devices, as well as remote monitoring of device operating status
10. The matching debugging software is equipped with a password lock for convenient permission management
# II. Hardware Electrical Technical Specifications
1. DSP Chip Processing Parameters
Audio system latency: 2.8ms
DAC resolution: 24-bit
Sampling rate: 96kHz
2. Input Channel Specifications
Input channels: 4 balanced line-level inputs
Audio interfaces: XLR male and female connectors
Input impedance: 22kΩ
Maximum input level: 16dBu (Line Mode)
3. Output Channel Specifications
Output channels: 8 balanced line-level outputs
Output impedance: 150Ω
4. Acoustic Performance
Frequency response: 20Hz–40kHz (±0.5dB, Line Mode)
Noise floor: -93dBu (20Hz–20kHz, A-weighted)
THD+N (Total Harmonic Distortion plus Noise): -90dB (@0dBu, 1kHz, A-weighted, Line Mode)
Signal-to-noise ratio: 108dB (@16dBu, 1kHz, A-weighted, Line Mode)
5. Communication Interfaces
USB: Micro-B port, plug-and-play without drivers
Serial port: RS232 serial communication interface
Network: Standard RJ-45 TCP/IP Ethernet port
6. Status Indicator Lights
CLIP clipping indicator, LEVEL level indicator, EDIT editing indicator, MUTE mute indicator
7. Power Supply Specifications
Universal wide-voltage power supply: AC 90V to 264V, 50/60 Hz
8. Physical Dimensions and Weight
Overall dimensions (L×W×H): 483×215×44.5mm
Net weight: 3.2kg
9. Operating Environmental Conditions
Operating temperature range: -20℃ to 60℃
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WEISHITE Audio Technology (Guangzhou) Co., Ltd
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