DDA43A IP Network Digital Amplifier with DSP

Name: DDA43A IP Network Digital Amplifier with DSP
Brand: Guangzhou DSPPA Audio Co., Ltd.

Features

● Optional 4-channel Dante network audio input
● 0dBu/6dBu sensitivity adjustment for each input
● Remote standby, call amplifier
● Colorful IPS LCD display
● Support balanced XLR input and binding post output
● Support operating mode: stereo, bridge, mono, free matrix
● Control interface: USB and RJ45 by TCPIP protocol, configuring RS232, RS485 central control interface, supporting GPIO external expansion control interface
● Support Mconsole software and App TCON network control
● Support Constant Pressure and Resistance: 100V, 70V, 8Ω, 4Ω

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Introduction
Specification

DDA43A/DDA43D is a DSP digital amplifier of 4*500W@4Ω/ 4*300W @8Ω, bridge 2*900W @8Ω, support constant pressure 70V/100V(900W@10Ω). 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:4100ms /Output Delay:420ms
Output Compressor	Knee, Threshold, Attack, Ratio, Release
Output Limiter	Threshold-90~21dBu、Release1~2895ms
DSP Presets	30 (No.1 for default preset)
Control port	TCP/IP,USB,RS485,RS232, GPIO
NetworkSpecification	2*RJ45,TCP/IP,1000base-T/100base-TX
Channel	4
Power	4300W@8Ω 4500W@4Ω
Bridge Power	2*900W@8Ω
InputInterface	Balance 4*XLR
OutputInterface	4*Binding post
CoolingMode	2*fans intelligent control
Gain	6dBu:30dB (29.5 times); 0dBu:36dB (31.1 times)
MaximumInputLevel	0dBSens. LV:8dBu (1.94V);6dBSens. LV:14dBu (3.88V)
SNR	6dBu:97dB;0dBu:97dB
FrequencyResponse	20Hz ~ 20kHz (±0.5dB)@1W to full power,8Ω
THD+N	<1%@1W-full power
Sample Rate	48K/24bit
ChannelIsolation	<-70dB
Work Mode	Stereo,Bridge,Mono, freeMatrix
RemoteControl	Standby, Call, DSP functions
AmplifierMonitor	Temperature, Power,Current andVoltage
ConstantPressure andResistance	100V,70V,8Ω,4Ω
DANTE（Optional）	4 channels
Display	320x240pixel, 2inchIPS LCD
ProtectionMode	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	483mm305mm44.5mm
Power Supply	VAC100~240 50/60Hz

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