DS428E/DS226E/DS224E Professional DSP Audio Processor

Wide frequency range, transparent and natural sound reproduction.
Maximum delay of 2 seconds for each input and maximum delay of 2 seconds for each output.
9-band PEQ on each input and output, as well as 31-band GEQ.
Supports both Chinese and English debugging software interface.
Intuitive and user-friendly graphical user interface.
Built-in WiFi module for stable mobile control with a range of up to 40 meters.
30 system presets available.
Remote control via Android smartphones and iPad tablets.

Downloads

Model	DS428E	DS226E	DS224E
Input/Output	4in8out	2in6out	2in4out
Input/Output Gain	-40~+12dB， (step 0.1dB)
Max Input Level	20dBu
Input/Output delay	0ms~2s，(step 21us)
Input/Output PEQ	Each channel has 9-band parametric equalizer
EQ Gain	-30~+15dB， (step 0.1dB)
EQ Type	PEQ， Low shelf， High shelf， PHASE shelf (optional)
EQ Frequency	19.7~21.9KHz
EQ Bandwidth	PEQ 0.017~4.75 Oct
Input GEQ	Each channel has 31-band graphic equalizer (1/3 Oct)
Crossover	Frequency：19.7~21.9KHz
	SIop：FLAT THRU， 12dB， 24dB， 36dB， 48dB
	classification：Butterworth， Bessel， Link witz-Riley
Compressor Threshold	Gate：-20~+20dBu，(step 0.5dBu)
	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
CMMR	55dB
Separation	95dB
Distortion Degree	0.002% (1KHz， 1Vms)
Voltage	AC 90V~250V，50-60Hz
Weight	3.6kg