DDA43A/DDA43D is a DSP digital amplifier of 4*450W@4Ω/ 4*300W @8Ω, bridge 2*900W @8Ω, support constant pressure 70V/100V (bridge 2*612.5W@70V / 2*900W@100V). It can monitor the status of amplifier and adjust the function of DSP in real time and remotely. DSP functions of built-in: noise gate, matrix mixer, PEQ, crossover, delay, compressor etc. Support 4 channels Dante Network audio, suitable for various environments.

Model | DDA43A | DDA43D (Dante) |
Input PEQ | 15 PEQS | |
Output PEQ | 10 PEQS | |
Crossover | Butterworth 6~48, Bessel 12~48, Linkwitz-Riley 12~48 | |
Delay | Input Delay:4*100ms / Output Delay:4*20ms | |
Output Compressor | Knee, Threshold, Attack, Ratio, Release | |
Output Limiter | Threshold -90~21dBu、Release 1~2895ms | |
DSP Presets | 30 (No.1 for default preset) | |
Control port | TCP/IP, USB, RS485, RS232, GPIO | |
Network Specification | 2*RJ45, TCP/IP, 1000base-T/100base-TX | |
Channel | 4 | |
Power | 4*300W@8Ω 4*450W@4Ω | |
Bridge Power | 2*900W@8Ω | |
100V | Bridge, Power: 2*900W | |
70V | Bridge, Power: 2*612.5W | |
Input Interface | Balance 4*XLR | |
Output Interface | 4*Binding post | |
Cooling Mode | 2*fans intelligent control | |
Gain | 6dBu: 30dB (29.5 times); 0dBu: 36dB (31.1 times) | |
Maximum Input Level | 0dB Sens. LV: 8dBu (1.94V); 6dB Sens. LV: 14dBu (3.88V) | |
SNR | 6dBu:97dB; 0dBu:97dB | |
Frequency Response | 20Hz ~ 20kHz (±0.5dB)@1W to full power, 8Ω | |
THD+N | <1%@1W-full power | |
Sample Rate | 48K/24bit | |
Channel Isolation | <-70dB | |
Work Mode | Stereo, Bridge, Mono, free Matrix | |
Remote Control | Standby, Call, DSP functions | |
Amplifier Monitor | Temperature, Power, Current and Voltage | |
Constant Pressure and Resistance | 100V, 70V, 8Ω, 4Ω | |
DANTE Function | - | 4 channels |
Display | 320x240pixel, 2inch IPS LCD | |
Protection Mode | DSP limiter, high temperature, DC, high frequency, short circuit, back EMF, peak current limiter, Back EMF, Surge current limiter, startup delay, power circuit breaker protection, power over voltage/under voltage protection | |
PC Software | Mconsole | |
Net weight | 4kg | |
Device size | 483mm*305mm*44.5mm | |
Power Supply | VAC100~240 50/60Hz | |
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