Power Output - Both channels driven 
(0.05% THD, RMS, 20 Hz - 20 kHz) 
160 watts x 2 @ 8 Ω 
240 watts x 2 @ 4 Ω

Power Output - Both channels driven 
(0.9% THD, RMS, 20 Hz - 20 kHz) 
180 watts x 2 @ 8 Ω 
270 watts x 2 @ 4 Ω

Current Capacity 
45 amps peak per channel

Frequency Response 
10 Hz - 100 kHz, +0/-3 dB

Total Harmonic Distortion (THD) 
< 0.01 %, average listening levels 
< 0.05 %, 160 watts x 2 @ 8 Ω

Interchannel Crosstalk 
> 50 dB at 20 kHz 
> 70 dB at 1 kHz

Signal to Noise Ratio - IHF A-weighted 
Line in: - 103 dB (input shorted) 
Digital in: - 106 dB

Amplifier Damping Factor 
> 800 at 20 Hz

Preamp Stage Input Sensitivity 
300 mV in for 1 V at Pre Out jacks 
Total Preamp Stage Gain: 10 dB 
Max Output Unbalanced: 7 V 
Max Output Balanced: 9 V

Power Amplifier Stage Sensitivity 
1 V at Bypass/Amp In for 28 V at Speaker Out 
Total Amp Stage Gain: 28 dB

Supported DAC Sampling Rates 
USB: up to 384 kHz / 32-bit PCM 
DSD Native: DSD 64, DSD 128, DSD 256 
DSD over PCM (DoP) at 384 kHz 
Coax/Opt: up to 192 kHz / 24-bit PCM

Digital to Analog Converter 
ESS Sabre32 Reference ES9018K2M 
384 kHz / 32-bit

USB 2.0 Controller 
VIA VT1731, 384 kHz / 32-bit

Headphone Amplifier 
Texas Instruments TPA6120A 
Output Impedance 10 ohms

XLR Pin Identification 
1 = Ground (Shield) 
2 = Positive 
3 = Negative (Return)

Input Impedance 
Unbalanced: 24 k Ω 
Balanced: 100 k Ω per leg

Output Impedance 
Unbalanced: 100 Ω 
Balanced: 470 Ω per leg

Dimensions 
Width: 17-1/4" (437 mm) 
Depth: 16-1/4" (413 mm) 
Depth, with cables 17-1/4" (437 mm) 
Height, with feet: 5-7/8" (150 mm) 
Height, without feet: 5-1/4" (133 mm), 3U

Net Weight 
33 lb. (15 kg)

Power Requirement 
Standby: 0.5 watts 
Idling power: 70 watts 
Maximum: 750 watts 
110-125 VAC 60 Hz or 220-250 VAC 50 Hz 
AC mains voltage is set on rear