Sample Rates: 44.1, 48, 96, 192kHz from internal crystal or externally supplied clock (no sample rate conversion)

Bit Depths: 24-bit I/O, 32-bit processing

PCI Specification:
- PCI 2.2 Compliant
- Form Factor: Universal Keyed, Short PCI Card
- 3.3V I/O, 5V Tolerant
- PCI Bus-Mastering DMA subsystem reduces CPU usage

E-MU E-DSP™ 32-bit DSP with 67-bit accumulator (double precision w/ 3 headroom bits)

Hardware-accelerated, 32 channel mixing, and multi-effects processing

Zero-latency direct hardware monitoring w/effects

ASIO 2.0, Stereo WDM/MME/DirectSound Drivers

Anti-Pop speaker protection minimizes noise during power on/off

Ultra-low jitter, clock subsystem: < 1 ns in PLL mode (44.1kHz, Opt. S/PDIF Sync)

Type: DC-coupled, low-noise input circuitry

A/D converter: PCM1804

OpAmp: NJM2068

Level: -10dBV nominal, 6dBV max (unbalanced)

Frequency Response (20Hz - 20kHz): +0.20/-0.10dB

Dynamic Range (1kHz, A-weighted): 111dB

Signal-to-Noise Ratio (A-weighted): 111dB

THD+N (1kHz at -1dBFS): -100dB (.001%)

Stereo Crosstalk (1kHz at -1dBFS): < -120dB

Type: low-noise, 3-pole low-pass differential filter

D/A converter: AK4396

Level: -10dBV nominal, 6dBV max (unbalanced)

Frequency Response (20Hz - 20kHz): + 0.05/-0.10dB

Dynamic Range (1kHz, A-weighted): 116dB

Signal-to-Noise Ratio (A-weighted): 116dB

THD+N (1kHz at -1dBFS): -100dB (.001%)

Stereo Crosstalk (1kHz at -1dBFS): < -109dB

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

MIDI:
- 1 in, 1 out

Internal crystal sync at 44.1, 48, 96, 192kHz

External sample rate sync via
- S/PDIF (opt. or coax 44.1 - 96kHz)

E-MU 0404 PCI card

Analog I/O breakout cable

Digital I/O breakout cable

Quick Start guides for Proteus X and E-MU 0404

Proteus X Software CD-ROM

Four Proteus X Sounds CD-ROMs 

E-MU Digital Audio Systems CD-ROM
- Windows 2000 and XP Drivers
- E-MU PatchMix DSP
- E-MU Power FX
- E-MU E-DSP FX Library
- Owner's Manual and Tutorials

E-MU Production Tools software bundle CD-ROM
- Cakewalk SONAR LE
- Steinberg Cubase LE
- Ableton Live 4 Lite for E-MU
- Steinberg Wavelab Lite
- IK Multimedia AmpliTube LE
- Minnetonka diskWelder BRONZE (Trial)
- SFX Machine LT
- E-MU Proteus X LE (over 1000 sounds included)