* Class compliancy supports 16-bit/48kHz 2 x 4 operation on OS X 10.3.9 and higher. Driver installation required to access more I/O.
FEATURES:• 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
* 16-bit/48kHz 2 x 4 operation is class-compliant. Driver installation required to access more I/O.
COMPATIBILITY:• WDM
• ASIO 2
• Core Audio
Minimum System Requirements (PC)• Pentium 3 - 500 MHz (higher speed CPU may be necessary for laptops)
• 256MB RAM
• DirectX 9.0c
• Windows XP (SP2)* / Vista SP2 (32Bit , 64 Bit) / Win7 (32Bit , 64 Bit)
• (Windows 2000, 98, 98SE, ME & NT not supported)
• USB port
* Home and Professional Edition only. Windows Media Center Edition is not supported.
** M-Audio suggests that you also check the minimum system requirements for your software, as they may greater than the above.
Minimum System Requirements (Mac)• Macintosh G3** 600 / G4** 667MHz (higher speed may be necessary for laptops)
• 256MB RAM
• OS X 10.3.9 / 10.4.2 / 10.5.1 (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
SPECIFICATIONS: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
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