The manual explains the functions, menus, and configuration options of the DPA 440A 4‑in‑4‑out speaker processor.
This user manual describes the front‑panel controls, encoder navigation, and menu structure of the DPA 440A speaker processor. It covers getting started, utility functions, input and output channel editing, linking channels, and factory reset procedures.
Technical specifications are listed at the end, providing details on analog and digital I/O levels, sampling rates, signal‑to‑noise ratio, THD+N, frequency response, power supply, and remote‑control interfaces.
| Analog Input Signal | ChA/ChB/ChC/ChD Balanced Female XLR |
|---|---|
| Maximum Input Level | +20 dBu |
| Analog Output Signal | Ch1/Ch2/Ch3/Ch4 Balanced Male XLR |
| Maximum Output Level | +20 dBu |
| Sampling Frequency | 96 kHz |
| S/PDIF Stereo Digital Input | 32 kHz, 44.1 kHz, 48 kHz |
| Signal‑to‑Noise Ratio | 110 dBA |
| THD+N | 0.005 % |
| Frequency Response (Bypass) | 20 Hz – 20 kHz (±1 dB) |
| Power Supply | Switching Power Supply |
| Remote Control Interfaces | USB, RS485 |
The default master gain is set to +0.0 dB.