model	2in 4out	2in 6out	2in 8out	3in 6out	4in 6out	4in 8out
Input channel jacks	2 female XLR	2 female XLR	2 female XLR	3 female XLR	4 female XLR	4 female XLR
Output channel jacks	4 male XLR	6 male XLR	8 male XLR	6 male XLR	6 male XLR	8 male XLR
Input impedance	balanced：20KΩ
Output impedance	balanced：100Ω
PC port	Front panel with 1 USB interface (USB3.0 control interface can be expanded to WIFI control interface), rear panel with 2 RS485 interfaces (RJ-45 seat)
CMRR	>70dB(1KHz)
Input range	≤+16.3dBu
Frequency response	19.7Hz-20KHz(±0.5dB)
S/NR	>104dB
THD	<0.01% OUTPUT=0dBu/1KHz
Channel separation (crosstalk)	>100dB(1KHz)
Input channel function
Input noise gate	Each input channel has a noise gate function, the threshold level is -120dBu~0dBu, stepover: 1dBu
Input mute	Each channel has independent mute control.
Input gain	Input range：-80dB ～ +12dB,stepover:0.1dB
Input delay	Each input channel has independent delay control.the adjustable range is 0~1000ms.the fine adjustable stepover is 21us; the coarse adjustable stepover is 1ms.
Input polarity	Same phase(+) or reversed phase(-)
Input EQ	each input channel has 6 parametric equalizer, equalization mode can choose PEQ/Lo-Shelf/Hi-Shelf/APF 1st/APF 2nd
	A. Adjust the parameters in PEQ state: center frequency point: 19.7Hz~20KHz, 241 frequency points in total.   Bandwidth: 0.05oct~3oct, stepover is 0.01oct Gain: -20dBu~ 20dBu, stepover is 0.1dBu
	B. Adjustable parameters in Lo-Shelf and Hi-Shelf state: center frequency point: 19.7Hz-20KHz,  241 frequency points in total  Slope: 6dB/12dB Gain: -20dBu ~  20dBu, stepover is 0.1dBu
	C. In the APF 1st state, the center frequency is 19.7 Hz to 20 kHz, and 241 frequency points  are selectable.
	D.Adjust the parameters in the APF 2nd state: center frequency point: 19.7Hz ~ 20KHz,  241 frequency points in total .Bandwidth: 0.05oct ~ 3oct, stepover  is 0.01oct.
Input dynamic equalization	There are 2 dynamic equalizations for each input channel,and adjustable parameters are as followed : frequency turning point: 19.7Hz~20KHz, 241 frequency points Bandwidth in total: 0.05oct~3oct The stepover is 0.01oct. Target level value: -45dBu ~ +15dBu.. Threshold: -45dBu~+15dBu. Ratio: 1.0:1~20:1, 1.0:1 to 1:2 step 0.1, 1:2 to 1:20 step 0.5. Attack time : 0.3ms~200ms, less than 1ms, the step is 0.1ms; when it is greater than 1ms, the step is 1ms. Release time: 50ms ~ 5000ms Step 1ms
Input compression	Each input channel has a separate input compression setting, the adjustable parameters are as followed: compression level: -40dBu ~ +20dBu, stepover is 0.1dBu. Compression ratio: 1.0:1~20:1, 1.0:1 to 1:2 step 0.1, 1:2 to 1:20 step 0.5. Attack time : 0.3ms~200ms,if less than 1ms, the step is 0.1ms; when it is greater than 1ms,the step is 1ms. Release time: 50ms ~ 5000ms Step 1ms
Input automatic gain	Each channel has a separate input with automatic gain function, the adjustable parameters are as followed : threshold: -80dBu ~ +20dBu, step is 0.1dBu. Target level: -80dBu ~ +20dBu. Ratio: 1:1 ~ 1:20; Step 1:1 between 1:1 and 1:2; step 1: 0.5 from 1:2 to 1:20. attack time: 0.3~200ms, if less than 1ms, step is 0.1ms, when it is greater than 1ms, step is 1ms. Release time: 50 ~ 5000ms, step 1ms.
Output channel function
Output mute	Separate mute control for each channel
Input selection	Each output channel can be separately selected for different input channels, or any combination of input channels can be selected.
Output gain	Adjustment range: -80dB to +12dB, step size is 0.1dB
Output delay	Each output channel has separate delay control, the adjustment range is 0~1000ms, the fine adjustment step is 21us; the coarse adjustment step is 1ms.
Output phase	same phase(+)or reversed phase(-)
Divider setting	A low-pass filter (LPF) and a high-pass filter (HPF) can be set separately for each output channel. The adjustable parameters are: Filter type: Lin-Ril/Bessel/Butterw
	Frequency turning point: 19.7Hz-20KHz, a total of 241 frequency points;
	A. Attenuation slopes in the Bessel and Butterw states: 12 dB/oct, 18 dB/oct, 24 dB/oct, 30 dB/oct, 36 dB/oct, 42 dB/oct, 48 dB/oct.
	B. Attenuation slopes in the Lin-Ril state: 12 dB/oct, 24 dB/oct, 36 dB/oct, 48 dB/oct.
Limiter setting	The limiter can be set separately for each output channel. The adjustable parameters are: limiter level: -40dBu~+20dBu, stepover is 0.1dBu. Attack time : 0.3~200ms, when it is less than 1ms, step is 0.1ms, when it is greater than 1ms, step is 1ms. Release time: 50 ~ 5000ms, step 1ms.
Compressor setting	Each output channel has a separate output compression setting, the adjustable parameters are as followed: compression level: -40dBu ~ +20dBu, stepoveris 0.1dBu. Compression ratio: 1.0:1~20:1, 1.0:1 to 1:2 step 0.1, 1:2 to 1:20 step 0.5. Attack time : 0.3ms~200ms, less than 1ms, the step is 0.1ms; when it is greater than 1ms, the step is 1ms. Release time: 50ms ~ 5000ms Step 1ms
Output EQ	6 equalizations per output channel, PEQ/Lo-Shelf/Hi-Shelf/APF 1st/APF 2nd
	A. Adjust the parameters in PEQ state: center frequency point: 19.7Hz~20KHz, a total of 241 frequency points Bandwidth: 0.05oct~3oct, step size is 0.01oct Gain: -20dB~+20dB, step distance is 0.1dBu
	B. Adjustable parameters in Lo-Shelf and Hi-Shelf state: center frequency point: 19.7Hz-20KHz, a total of 241 frequency points Slope: 6dB/12dB Gain: -20dBu ~ +20dBu, stepover is 0.1dBu
	C. In the APF 1st state, the center frequency is 19.7 Hz to 20 kHz, and a total of 241 frequency points are selectable.
	D. Adjust the parameters in the APF 2nd state: center frequency point: 19.7Hz ~ 20KHz, a total of 241 frequency points Bandwidth: 0.05oct ~ 3oct, stepover is 0.01oct.
processor	96KHz sampling frequency, 32-bit DSP processor, 24-bit A/D and D/A converter.
display	2×24 LCD blue backlight display setting, 5-band LED display input/output accurate digital level meter, mute and editing status
Power consumption	≤25W
power	AC110V/220V 50/60Hz
Product size (W×D×H)	482×190×44mm
net weight	3.6kg
Shipping size (W×D×H)	1PC:562X296X98mm/0.0163m3 6PCS:578X308X615mm/0.1094 m3
Gross weight	1PC:4.5(kg) 6PCS:28.5(kg)