200Pre Features Burr-Brown 192kHz-24 bit DAC from the Halo P 5 USB, Optical and Coax digital audio inputs 4 Analog audio inputs Phono input for MM or MC cartridges Pure analog signal path from input to output Analog bass management w/ variable 20-140Hz high pass crossover Subwoofer On/Off & level by remote control 80Hz low pass subwoofer output Full range subwoofer output can also be used for a mono listening area Variable and fixed stereo outputs Bypass input for surround sound or music streamer integration Default turn on volume memory Favorite volume memory with remote control button Input level matching (source volume offset) Bass, treble and balance adjustments by remote control Front panel LCD display with dimming 2-way RS232 w/ exact volume control & feedback Rename inputs to match connected source 12dB auto gain for front panel AUX to match levels of other sources Dedicated headphone amplifier Back-lit remote control with discrete buttons 12V trigger output Rear panel IR input 5w standby power consumption meets Energy Star & EU specs SPECIFICATIONS Frequency Response   20 Hz - 20 kHz, +0 / -0.05 dB 10 Hz - 80 kHz, +0 / -3 dB Total Harmonic Distortion (20 Hz - 20 kHz) < 0.03 % Interchannel Crosstalk 75 dB at 20 kHz Input Sensitivity   250mv = 1V output Total gain = 12 dB (volume set to 100) Unity Gain = Volume set to 76 Maximum output = 3.5V Phono Stage Sensitivity / Input Impedance   MM: 40 dB / 47 k Ω MC: 50 dB / 100 Ω Input Impedance 24k Ohms Output Impedance 470 Ohms S/N Ratio – Line Inputs > 100 dB, input shorted, IHF A-weighted > 90 dB, input shorted, unweighted S/N Ratio – Digital Inputs   > 100 dB, input shorted, IHF A-weighted > 90 dB, input shorted, unweighted DC Trigger Output   12 Vdc, 50ma AC Power Requirement: 10 Watts maximum <0.5 Watts in standby 90-250 VAC 50/60 Hz (automatic) Dimensions   Width: 17.25" (437 mm)  Depth: 14.25" (362 mm) Depth: 16" (369 mm) with cables connected Height, with feet: 2.5" (105 mm)  Height, without feet: 1.75" (89 mm), 1U Weight   Net: 11 lbs (5 kg) Shipping: 17 lbs (7.7 kg)