Analog inputs; 6.35 mm (1/4") TRS Jack (balanced), RCA
Input gain (max.)	+22.5 dBu
Input impedance Line In 2 (balanced)	20 kΩ
Common mode rejection	< 60 dB
Input impedance Line In 1 (unbalanced)	47 kΩ
Headphones Output; 6.35 mm (1/4") TRS Jack
Wiring	Tip = Left, Ring = Right, Sleeve = GND 
Source impedance	20 Ω
Frequency range (-3 dB)	10 Hz - 200 kHz
Noise (A-weighted, 600 Ω)	-99 dBu
THD + N (0 dBu, 10 Hz – 22 kHz, 600 Ω)	0.002 %
THD + N (0 dBu, 10 Hz – 22 kHz, 32 Ω)	0.013 %
Max output power (600 Ω)	2 x 190 mW
Max output power (250 Ω)	2 x 330 mW
Max output power (47 Ω)	2 x 400 mW
Fade-out attenuation (600 Ω)	-99 dB
Crosstalk (1 kHz, 600 Ω)	-75 dB
Internal Power Supply
Operating voltage for analog audio	+/- 17 V
Operating voltage for headphone amplifier	+/- 19 V
Operating voltage for relays	+12 V
External Power Supply
AC/DC switching adaptor	Mean Well GE18/12-SC 
DC plug	(+) pin 2.1mm; (-) outside ring 5.5mm 
Input	100 - 240 V AC; 50 - 60 Hz; 0.7 A
Output	12 V DC; 1.5 A
Dimensions & Weight
W x H x D (width x height incl. feet x depth)	210 x 49.6 x 220 mm
	8.23 x 1.95 x 8.66 inch
Unit weight	1.40 kg
	3.09 lbs
Shipping weight (incl. packaging)	2 kg
	4.4 lbs