- Frequency Response: 20 Hz - 20 kHz (+0, -1 dB) - THD: <0.01% @ 1 kHz - CMRR: >60 dB - Channel Separation: >75 dB - Signal to Noise Ratio: >90 dB (Ref 0 dBu) - Equivalent Input Noise: -120 dBu typical (XLR balanced, gain @ maximum) - Input Impedance: >300k Ohms 1/4-inch input, >4k Ohms XLR input - Output Impedance: 600 Ohms (balanced 1/4 -inch), 50 Ohms (headphone 1/8-inch) - Maximum Signal Level: +6 dBu in, +10 dBu out (balanced), +4 dBu out (single ended) - Maximum Gain: +48 dB (balanced in -out) - Phantom Power: Switch selectable, +48Volts DC, filtered, current limited - Input Connections: XLR / 1/4-inch TRS "Combo" jack balanced or unbalanced - Output Connection: 1/4-inch TRS balanced, 1 /8-inch TRS headphone mini jack - A/DD/A: 16 Bit, 44.1 kHz or 48kHz, USB selectable from computer - 0.4 ms A/D latency @ 44.1 kHz - Computer Interface: USB 1.1 compliant, Windows 98SE/ME/ 2000/XP/Vista32bit, Apple OS9.1/OSX computers with native USB support - Chassis Type: All aluminum black anodized with integral rubber sides - Power Requirements: 7.5-12V AC or DC @ <150mA (external) or USB bus powered or 9V Battery @ 20mA typical, 50mA max. (phantom power) - Dimensions: 1.75inch H x 4.6inch W x 4.7 inch D (44.5mm x 117mm x 119mm) - Weight: 1.3 lbs. (0.59 kg) - Note: 0 dBu = 0.775Vrms