USB 2.0 Audio Interface E-MU's new 0204 USB Audio Interface is the ultimate portable 2-in/4-out USB audio interface for PC and Mac, offering pristine 24-bit/192kHz recording and playback, direct monitoring and a host of professional features in a compact, USB bus-powered package. The 0204 USB sets a new standard in portable USB audio, providing users with two Class-A preamps that can be run independently or in stereo to amplify guitars, keyboards or microphones, with individual ground lift switches for optimal audio performance. The E-MU 0204 USB 2.0 features:
 |  |  | Premium 24-bit/192kHz A/D and D/A converters * (A/D: 113dB SNR, D/A: 113dB SNR) delivering you a pristine recording/capture and playback experience |  |  |  | Ultra-low noise Mic/Hi-Z/Line preamplifiers with ground lift switches enable you to record microphones, keyboards or guitars directly into your computer delivering professional results (XLR, 1/4” TRS, and 1/8” 5V condenser mic input) |  |  |  | Ultra-low latency USB drivers offer accurate timing and playback of your recorded audio and expressive control of your software instruments |  |  |  | Independent headphone DAC path to enable separate playback and cueing for DJ applications |  |  |  | Hardware zero-latency direct monitoring (mono/stereo) allows you to record and overdub with no timing delays |  |  |  | Plug-and-play operation with hands-on control of all major functions like direct monitoring level, headphone level, and preamplifier gain to streamline your creative process |  |  |  | Driver compatibility with most popular audio/sequencer applications letting you work with your choice of tools - (Windows XP (SP3 or greater), Vista/x64, Windows 7/x64:ASIO2 and WDM; Macintosh OS X (10.5 or greater): Apple CoreAudio) |
I/O Configuration:
 |  |  | Class-A Ultra-low Noise Mic/Hi-Z/Line Preamp XLR, 1/4" TRS and 1/8"* Inputs (113dB SNR) |  |  |  | Class-A Hi-Z/Line Preamp 1/4" Input (113dB SNR / 0.0008% THD) |  |  |  | Two 1/4" Outputs (117dB SNR / 0.0008% THD) |  |  |  | 1/8" Stereo Speaker Output (117dB SNR) |  |  |  | Stereo Headphone Output which doubles as an assignable pair of auxiliary outputs (117dB SNR / 0.0008% THD)
Technical Specifications
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 Hi-Speed |  |  |  |  | - Full 24-bit resolution at all sample rates |  | - Stereo in, stereo out at all sample rates |
|  |  |  | Zero-latency direct hardware monitoring (disabled at 176.4-192kHz) |  |  |  | Windows drivers: ASIO2 and WDM |  |  |  | Macintosh driver: Apple CoreAudio |  |  |  | Anti-Pop speaker protection minimizes noise during power on/off |  |  |  | Ultra-low jitter clock subsystem: < 100ps RMS |
Combo Preamplifiers (2)
 |  |  | Type: |  |  |  |  | - (1) Ultra-low noise combo preamplifier with Mic/Hi-Z/line inputs |  | - (1) Combo preamplifier with Hi-Z/line balanced input |  | - (1) 1/8" condenser mic input with 5V power |
|  |  |  | A/D converter: AK5385 |  |  |  | Max Level: +6.5dBV bal/unbal (+8.7 dBu) |  |  |  | Frequency Response (min gain, 20Hz-20kHz): +0.0/-0.07dB |  |  |  | Dynamic Range (A-weighted, 1kHz, min gain): 113dB |  |  |  | Signal-to-Noise Ratio (A-weighted, min gain): 113dB |  |  |  | THD+N (1kHz at - 1dBFS, min gain): -101.9dB (.0008%) |  |  |  | Ultra-low noise preamplifier (Mic/Hi-Z/line inputs) |  |  |  |  | - Input Impedance: 1.5Kohm |  | - EIN (20Hz-20kHz, 150ohm, unweighted): -127dBu |
|  |  |  | Combo preamplifier with Hi-Z/line balanced input |  |  |  |  | - Input Impedance: 1Mohm |
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Analog Line Outputs (2)
 |  |  | Type: Unbalanced, AC-coupled, 2-pole low-pass differential filter |  |  |  | D/A converter: AK4396 |  |  |  | Max Level: 6.7 dBV (unbalanced) |  |  |  | Frequency Response (20Hz - 20kHz): 0.00/-0.01dB |  |  |  | Dynamic Range (1kHz, A-weighted): 117dB |  |  |  | Signal-to-Noise Ratio (A-weighted): 117dB |  |  |  | THD+N (1kHz at -1dBFS): -101.9dB (.0008%) |  |  |  | Stereo Crosstalk (1kHz at -1dBFS): <-111dB |
Headphone Amplifier
 |  |  | Type: Class-A power amplifier |  |  |  | D/A converter: AK4396 |  |  |  | Gain Range: 60dB |  |  |  | Maximum Output Power: 16mW |  |  |  | Output impedance: 22ohms |  |  |  | Frequency Response (20Hz-20kHz): +0.02/-0.08dB |  |  |  | Dynamic Range (A-weighted): 117dB |  |  |  | Signal-to-Noise Ratio (A-weighted): 117dB |  |  |  | THD+N (1kHz, max gain): 300ohm load: -101.9dB (.0008%) |  |  |  | Stereo Crosstalk (1kHz at -1dBFS, 300 ohm load): <-111dB |
Synchronization
 |  |  | Internal crystal sync at 44.1, 48, 88.2, 96, 176.4, 192kHz* |
Retail Box Contents
 |  |  | E-MU 0204 AudioPod |  |  |  | USB cable (2 meters) |  |  |  | Quick Start installation guide |  |  |  | E-MU Software/Manual CD-ROM (Windows/Macintosh) - Windows XP, Vista, Vista x64 and Windows 7 Drivers - Macintosh OS X 10.5 - Owner's Manual and Tutorials |  |  |  | Acoustica Mixcraft LE CD and registration card (Windows only) |
Minimum System Requirements
Windows:
|  |  |  | Intel or AMD processor - 1.2 GHz or faster |  |  |  | Intel, AMD or 100% compatible motherboard & chipset |  |  |  | Windows XP (SP3 or greater), Vista/x64, Windows 7/x64 Drivers |  |  |  | 1 available (Hi-speed) USB 2.0 port |  |  |  | 1GB 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 1.2 GHz Intel-based processor |  |  |  | Apple Macintosh OS X (10.5 or greater) |  |  |  | 1 available (Hi-speed) USB 2.0 port |  |  |  | 1GB 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 0204 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. |
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