The Two-Channel Digital Mixer Amplifier is specially optimized for mosque applications, while also suitable for gyms, conference rooms, small shopping centers, and traditional public address scenarios. When used with the DMA30N Remote Bus Network Decoding Terminal, it shares an RJ45 audio and data bus with the DMA30W Remote Control Panel.
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Audio Visual Solutions
DMA2240 Two-Channel Digital Mixer Amplifier
Brand: Guangzhou DSPPA Audio Co. Ltd
- Mechanical knobs and push-button design, with a rocker-type power switch.
- Two-channel amplifier; each channel can be individually configured via DIP switches to support 100V constant-voltage output, 70V constant-voltage output, 8Ω fixed-resistance output, or 4Ω fixed-resistance output. Rated power can be delivered in any mode.
- Six balanced input channels, each with independent volume control; each channel has a separate DIP switch for 48V phantom power.
- One set of RCA AUX2 inputs, split into CH1 and CH2, with independent volume control.
- One 3.5mm stereo input, with independent volume control for CH1 and CH2.
| AUX Frequency Response | 80–16kHz (±3dB) |
|---|---|
| MIC Frequency Response | 100–10kHz (±3dB) |
| Signal-to-Noise Ratio | ≥76dB (all volumes at max) |
| Noise | ≤8.5mV (all volumes at max) |
| Total Harmonic Distortion | ≤1% |
