Ну что тут сказать: кто знает - тот знает.
А кто не знает - вот спеки:

• Two channels of professional-quality 24-bit/96kHz audio input and output
• Two balanced XLR inputs, with selectable 48V phantom power on each input
• Maximum input - +4 dBu setting: 20 dBu; -10 dBV setting: +8 dBV
• Mic Pre-amp gain: 10 to 75 dB
• Two unbalanced high impedance instrument inputs
• One high-level stereo headphone output
• Two unbalanced -10 dBV line outputs for powered speakers
• Multi-function controller knob for volume and input gain control and assignable MIDI control
• Multi-segment LED meters to display input or output levels
• FireWire 400, compatible with Mac OS X Core Audio
• Integration and control with Apple’s GarageBand, Logic Pro, Logic Express
and Final Cut Studio (Soundtrack Pro)
• Compatible with any Core Audio-compliant audio application
• Apogee’s Maestro software for advanced control and low latency mixing