M-Audio ProFire 610

• Supports a standalone mode (mic pre-amp, or A​/​D D​/​A conversion
• Can be powered via Firewire
• 2 Firewire ports
• Built-in power switch

Inputs

• 2 Combo XLR with phantom power and gain control
• 2 TRS Line inputs
• MIDI
• SPDIF

Outputs

• 8 TRS Line outputs
• MIDI
• SPDIF
• 2 Headphone out with independent level controls

Master level control.

Might work with Linux using old (firewire??) stack. I don't think I've tried it.

Other OS Support:

• Mac OS X 10.6.8 to 10.8.4, Intel only
• Windows:
  • XP SP2
  • Vista SP1 (32-bit)
  • Vista SP2 (32-bit, 64-bit)
  • Win 7 (32-bit, 64-bit)