The ART USB Mix Three Channel Microphone, Instrument, and Line Mixer / Computer Interface is a compact versatile audio interface for your computer that converts analog signals from a variety of audio sources to USB Audio. The USB Mix provides a great starting point for personal home studio recording or for anyone wanting to do mobile location recording.

Features:

• USB powered, no external power supply needed when used with a computer
• Balanced XLR or unbalanced ¼-inch Instrument inputs with switchable impedance
• Switchable low noise +48V phantom power
• Balanced ¼-inch TRS inputs for stereo or mono line-level sources
• ¼-inch TRS output jacks work with balanced or unbalanced lines
• Stereo ¼-inch TRS headphone jack with independent level control for output monitoring
• Independent controls for both sets of inputs, main output, and headphone monitor
• Green/Red LED signal/clip indicator
• Switchable assignment of USB playback to channels 2 and 3
• USB 2.0 compliant
• USB cable, AC adapter, and Audacity recording software included

Specifications:

• Input Connections:
  • XLR balanced / 1/4″ unbalanced “Combo” jack (ch1 input)
  • 1/4″ balanced or unbalanced (Ch2-Ch3 inputs)
• Output Connections:
  • 1/4″ TRS balanced (Main Mix outputs)
  • 1/4″ TRS stereo (Monitor output)
• Input Impedance:
  • 240k Ohms (Inst-HiZ)
  • 20k Ohms (Line) (Ch 1, Ch2-Ch3 1/4″ inputs)
  • > 4k Ohms (Ch1 XLR input)
• Output Impedance:
  • < 1k Ohms (balanced 1/4″)
  • < 500 Ohms (unbalanced 1/4″)
  • 100 Ohms (Monitor output)
• Frequency Response: 20 Hz – 20 kHz (+0, -1 dB)
• THD: < 0.01% @ 1 kHz
• CMRR: > 54 dB typical
• Phase Response: All connections are phase coherent
• Signal to Noise Ratio: > 90 dB typical (Ref 0 dBu)
• Equivalent Input Noise: -120 dBu typical (XLR balanced, max gain), -100 dBu typical (1/4″)
• Maximum Input Level: +4dBu (XLR input), +14dBu (1/4″ input)
• Maximum Output Level: +14dBu (Main Mix Outputs), +13dBu (Monitor output)
• Maximum Gain (In to Main Out):
  • +53dB (XLR)
  • +32dB (1/4″) Ch1 input
  • +10dB (1/4″) (Ch2-Ch3 inputs)
• Maximum Gain (In to USB):
  • +44dB (XLR)
  • +23dB (1/4″) (Ch1 input)
  • +1dB (1/4″) (Ch2-Ch3 inputs)
• Maximum Gain (USB to Out):
  • +14dB (Main Mix outputs)
  • +13dB (Monitor output)
• Phantom Power: Switch selectable, +48V DC, filtered, current limited
• A/D-D/A:
  • 16 Bit, 44.1 kHz or 48 kHz, USB selectable from computer
  • 0.4 ms A/D latency @ 44.1 kHz
• Computer Interface:
  • USB 2.0 compliant
  • Windows 7, Vista, XP, 2000, ME, 98SE
  • Mac OS 9.1 / OS X computers with native USB support, Linux
• Chassis Type: All steel black finish
• Power Requirements: 5.0V DC @ < 500 mA (external) or USB bus powered @ 150 mA typical
• Dimensions: 1.6″ x 4.0″ x 4.75″ (41mm x 101mm x 121mm)
• Weight: 1.1 lbs (0.5 kg) (Weight includes power supply and USB cable)