insert jack (?” TRS) for outboard processors
2 balanced outputs (?” TRS)
4 unbalanced outputs (RCA)
S/PDIF digital I/O with w/ 2-channel PCM
S/PDIF out also supports pass-through of AC-3/DTS surround-encoded content
1 x 1 MIDI I/O with activity LEDs
headphone output (?” TRS) with level control
headphone A/B source switch for DJ-style cueing
input/playback mix control for hardware direct monitoring
mono switch for input/playback direct monitoring
master output level control
near zero-latency hardware direct monitoring
low-latency ASIO software monitoring
USB connection to computer
powered via USB or optional AC power adapter
Kensington lock port
Mac and PC compatible; class compliant with Mac OS X 10.3.9 and higher
includes Ableton Live Lite music production software so you can make music right away
* 16-bit/48kHz 2 x 4 operation is class-compliant. Driver installation required to access more I/O.
Digital Audio Interface Specifications 48kHz sampling rate unless otherwise stated
Mic Inputs (A/D)
Input Impedance 2.7k Ohms unbalanced, 5.4k Ohms balanced
Maximum Input Level from +24dBu @ min gain, pad on to -40dBu @ max gain, no pad
Channel-to-Channel Crosstalk < -110dB
SNR -101dB, A-weighted
Dynamic Range 101dB, A-weighted
THD+N 0.005% (-86dB) @ -1dBFS, 1kHz
Frequency Response 20Hz to 20kHz, +/- 0.1dB
Pre-amp Gain >40dB
Pad -20dB pad
Instrument Inputs (A/D)
Input Impedance >220k Ohm, unbalanced
Maximum Input Level From +22dBV @ min gain, pad on to -42dBV @ max gain no pad
SNR -100dB, A-weighted
Dynamic Range 100dB, A-weighted
THD+N 0.005% (-86dB) @ -1dBFS, 1kHz
Frequency Response 20Hz to 20kHz, +/- 0.1dB @ 48kHz sample rate
Pre-amp Gain >40dB
Pad -20dB pad
Line Inputs (A/D)
Input Impedance 20k Ohms balanced and unbalanced
Maximum Input Level +4.1dBu balanced, +1.9dBV unbalanced
Channel-to-Channel Crosstalk < -110dB
SNR -101dB, A-weighted
Dynamic Range 101dB, A-weighted
THD+N 0.005% (-86dB) @ -1dBFS, 1kHz
Frequency Response 20Hz to 20kHz, +/- 0.1dB @ 48kHz sample rate
20Hz to 40kHz, +/- 0.1dB @ 96kHz sample rate
Pad -20dB pad
Input Inserts (analog)
Maximum Level Send +6dBV, unbalanced
Maximum Level Return +6dBV, unbalanced
THD+N 0.00281% (-91dB) @ -1dB from max level, 1kHz
Frequency Response 20Hz to 40kHz, +/- 0.1dB
Line Outputs (D/A)
Output Impedance 150 Ohms unbalanced, 300 Ohms balanced
Maximum Output Level +1.8dBV, unbalanced
+10.1dBu, balanced
Channel-to-Channel Crosstalk < -108dB
SNR -103dB, A-weighted
Dynamic Range 103dB, A-weighted
THD+N 0.005% (-86dB) @ -1dBFS, 1kHz
Frequency Response 20Hz to 20kHz, +/- 0.3dB @ 48kHz sample rate
Headphone Output (D/A)
Maximum Output -2.5dBV at THD < 0.05% into 32 ohms
Working Range 32 to 600 ohms
I/O Bit Depth Sample Rate (kHz)
With Drivers 4 x 4 16 44.1/48
2 x 4 24 44.1/48
2-in OR 2-out 24 88.2/96
Class compliant 2x4 16 44.1/48
WDM
ASIO 2
Core Audio
Pentium 3 – 500 MHz (higher speed CPU may be necessary for laptops)
256MB RAM
DirectX 9.0c or higher
Windows XP (SP2)*
(Windows 2000, 98, 98SE, ME & NT not supported)
USB port
* Home and Professional Edition only. Windows Media Center Edition is not currently supported.
** M-Audio suggests that you also check the minimum system requirements for your software, as they may greater than the above.
Macintosh G3** 600 / G4** 667MHz (higher speed may be necessary for laptops)
256MB RAM
OS X 10.3.9 / 10.4.2 (earlier versions of Mac operating systems are not supported)
USB port
Dolby AC-3 and DTS pass-through with Apple DVD player
* M-Audio suggests that you also check the minimum system requirements for your software, as they may greater than the above.
** G3/G4 accelerator cards not supported
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