DS458/DS356/DS254 Network DSP Audio Processor

Built-in Digisyn Link™ network audio module.
Supports AES67 standard with 4 inputs and 4 outputs, providing a maximum of 16 signal outputs in one channel.
Utilizes high-performance AD/DA DAC chip and high-speed processing DSP chip.
The device features individual input delay settings (1 second) and output delay settings (1 second).
Provides 7-band parametric equalizer (PEQ) for input and output.
Designed with enhanced accessibility features such as digital lock, copy function, and routing capabilities.
Supports USB and RS485 communication, making it adaptable to various environments.

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Model	458	356	254
Input/output	4 in 8 out	3 in 6 out	2 in 4 out
Input impedance	10kΩ
Output impedance	50Ω
Max input/output level	19dBu
Sampling rate	48kHz
Input/output gain	-40 ~ +12dB, (step 0.1 dB)
Input delay	0ms ~ 1s, (step 21us)
Output delay	0ms ~ 1s, (step 21us)
Input PEQ	Each channel has 4-band	Each channel has 7-band	Each channel has 7-band
Output PEQ	Each channel has 5-band	Each channel has 7-band	Each channel has 7-band
EQ Gain	-30 ~ +15dB, (step 0.1db)
EQ Type	PEQ, Low shelf (6db/12db), High shelf(6db/12db)
EQ Frequency	19.7Hz ~ 21.9kHz
EQ Bandwidth	0.017 ~ 4.750 OCT
Crossover frequency	19.7Hz ~ 21.9kHz
Crossover slope	FLAT THRU, 12dB, 24dB, 36dB, 48dB
Crossover classification	Butterworth, Bessel, Linkwitz-Riley
Compressor threshold	-20dB ~ +20dB, (step 0.5 dBu)
Compressor ratio	1.2, 1.5, 2, 3, 4, 6, 10, 20, 40, 128:1
Attack time	1 ~ 100ms, (step 1ms)
Release time	50 ~ 1000ms, (step 50ms)
Dynamic range	112dB A Weighting
CMMR	>40dB
Crosstalk	<-100dB
Distortion	0.002% (1kHz,0dBu)
System preset	10 appearances preset programs, 30 user programs.
Voltage	AC 90V~250V 50Hz-60Hz
Weight	2.81kg	2.8kg	2.79kg
Size	482mm x 164mm x 45mm