General

			Sample Rates: 44.1, 48, 88.2, 96, 176.4, 192kHz from internal crystal (no sample rate conversion)*
			Bit Depth: 24-bit I/O, 32-bit processing
			USB 2.0 Hi-Speed
			- Full 24-bit resolution at all sample rates - 4in/4 out channels from 44.1-96kHz - 2 in/2 out channels from 176.4-192kHz
			Zero-latency direct hardware monitoring (disabled at 176.4-192kHz)
			Windows: ASIO2, WDM, MME - AC3 and DTS Passthru supported
			Macintosh: Apple CoreAudio and CoreMIDI - AC3 and DTS Passthru supported
			Anti-Pop speaker protection minimizes noise during power on/off
			Ultra-low jitter clock subsystem: < 500ps RMS in PLL mode (48kHz, Coaxial S/PDIF Sync)

Combo Microphone Preamplifier/Hi-Z/Line Inputs (2)

			Type: E-MU XTC™ combo mic preamplifier and Hi-Z/line input w/ Soft Limiter
			A/D converter: AK5385A
			Gain Range: +60dB
			Frequency Response (min gain, 20Hz-20kHz): +0.0/-0.16dB
			Stereo Crosstalk (1kHz min gain, -1dBFS): < -110dB
			Hi-Z Line Input:
			- Input Impedance: 1Mohm - Max Level: +12dBV (14.2dBu) - Dynamic Range (A-weighted, 1kHz, min gain): 113dB - Signal-to-Noise Ratio (A-weighted, min gain): 113dB - THD+N (1kHz at -1dBFS, min gain): -101dB (.0009%)
			Microphone Preamplifier:
			- Input Impedance: 1.5Kohms - Max Level: +6dBV (+8.2dBu) - EIN (20Hz-20kHz, 150ohm, unweighted): -127dBu - Signal-to-Noise Ratio (A-weighted, min gain): 112.5dB - THD+N (1kHz at -1dBFS, min gain): -101dB (.0009%) - Phantom Power: 48V - Soft Limiter: 5dB max compression (software selectable)

Analog Line Outputs (2)

			Type: balanced, AC-coupled, 2-pole low-pass differential filter
			D/A converter: AK4396
			Level (auto detect):
			- Professional: +12dBV max (balanced) - Consumer: +6dBV max (unbalanced)
			Frequency Response (20Hz - 20kHz): 0.06/-.035dB
			Dynamic Range (1kHz, A-weighted): 117dB
			Signal-to-Noise Ratio (A-weighted): 117dB
			THD+N (1kHz at -1dBFS): -100dB (.001%)
			Stereo Crosstalk (1kHz at -1dBFS): < -114.5dB
			Balanced/Unbalanced Output Impedance: 560 Ohms

Headphone Amplifier

			Type: Class-A power amplifier
			D/A converter: AK4396 (shared with Line Out)
			Gain Range: 60dB
			Maximum Output Power: 20mW
			Output Impedance: 22ohms
			Frequency Response (20Hz-20kHz): +0.06/-0.035dB
			Dynamic Range (A-weighted): 114dB
			Signal-to-Noise Ratio (A-weighted): 114dB
			THD+N (1kHz, max gain): 600ohm load: -95.5dB (.0018%)
			Stereo Crosstalk (1kHz at -1dBFS, 600 ohm load): < -85dB

Digital I/O

			S/PDIF*:
			- 2 in/2 out coaxial (transformer coupled) - 2 in/2 out optical - AES/EBU or S/PDIF format (software selectable)
			MIDI
			- 1 in, 1 out

Synchronization

			Internal crystal sync at 44.1, 48, 88.2, 96, 176.4, 192kHz
			External sample rate sync via
			- Optical S/PDIF (44.1 - 96kHz) - Coaxial S/PDIF (44.1 - 96kHz)

* Macintosh analog operation up to 96kHz and digital operation up to 48kHz only at this time.

Retail Box Contents

			E-MU Production Tools Software Bundle DVD (OS X /Windows)
			- Windows Applications - E-MU Proteus VX (with over 1000 sounds) - Cakewalk Sonar 6 LE - Steinberg Cubase LE4 - Celemony Melodyne essential - IK Multimedia AmpliTube Duo - SFX Machine LT - OS X Applications - Steinberg Cubase LE4 - BIAS Peak Express 5 - Celemony Melodyne essential - IK Multimedia AmpliTube LE - SFX Machine LT
			Ableton Live Lite 6 E-MU Edition CD-ROM (OS X, Windows)
			- Ableton Live Lite 6 E-MU Edition
			Waldorf Edition LE CD-ROM (OS X, Windows)
			- Waldorf Edition LE

Minimum System Requirements

Windows:
			Intel® or AMD® processor - 1.2 GHz or faster
			Intel, AMD or 100% compatible motherboard & chipset
			Microsoft® Windows® XP (SP 2 or greater) or Windows XP x64
			1 available (Hi-speed) USB 2.0 port**
			256MB System RAM
			950MB of free hard disk space for full installation
			CD-ROM/CD-RW or DVD-ROM drive required for software installation
			XVGA Video (1024 X 768)
Macintosh:
			Apple® Macintosh® 800 MHz G4-compatible or Intel-based processor
			Apple Macintosh OS X (10.4.3 or greater)
			1 available (Hi-speed) USB 2.0 port**
			512MB System RAM
			500MB of free hard disk space for full installation
			CD-ROM/CD-RW or DVD-ROM drive required for software installation
			XVGA Video (1024 X 768)

** When connecting the 0404 USB to a USB 1.1 port on a Windows PC, performance will be limited to 16-bit and 44.1/48kHz recording and playback. Macintosh support limited to USB 2.0 ports only.