USB Mic Interface or Preamp
These usually have phantom power for condenser mics.
16-, 24-bit/44.1-48kHz resolution for Mac and PC Zero-latency Direct/Playback Monitoring, Mono/stereo monitoring, 1 x XLR microphone input, 2 x TRS line inputs, 2 x TRS & RCA line outs, Ultra-hi-z 1/4" instrument input for direct to computer recording, 1/8" high powered headphone output, Cubase LE 48-track recording software, Lexicon Pantheon VST reverb plug-in, USB 2.0
2xXLR+TRS microphone inputs designed by dbx w switchable 48-volt phantom power, 2xTRS balanced 1/4" line inputs, 2xTRS balanced line outputs, a 1/8" front-panel high-power headphone jack, front-panel ultra-hi-z instrument input, MIDI input and output. USB 2.0
4-in, 2-out. 2 inputs have low-noise dbx mic-preamps with phantom power and TRS insert points. fully opto-isolated MIDI input. high-impedance instrument input on front panel. Cubase LE, Lexicon Pantheon Reverb plugin. S/PDIF in and out, MIDI In and out, in: 2xXLR+TRS?, 4xTRS?, out: 2xTRS. USB 2.0
BLUE Icicle, available from sweetwater $60
mono interface w phantom power. in: 1xXLR. USB 2.0
MOTU Traveler - FireWire Audio Interface with Portable FireWire Recording System and 20 Input Channels, 4 Mic Inputs and FireWire Bus Power, available from sweetwater $850
Fits perfectly under any laptop, Powered by computer or battery, 20 ch with 4xXLR/TRS mic inputs+4xTRS inputs, 8xTRS bal/unbal line outs,S/PDIF in and out, 96kHz optical in and out, Individual phantom power, preamp gain in 1dB increments, Save & recall multiple trim setups, Record up to 192kHz, 8-bus CueMix DSP monitor mixer, Front panel LCD programming, Standalone operation, 8ch of optical at 44.1/48K, 4ch of optical at 88.2/96K, AES/EBU and S/PDIF digital I/O, MIDI, Word Clock, SMPTE & ADAT sync.
USB MIDI interface
Total cable length about 7 feet, 1 MIDI in, 1 MIDI out, MIDI Thru switch, MIDI signal indicators, cable-style body from PC end to MIDI ends, OS native driver support, USB bus powered, Plug and play!
Edirol UM-3EX 3-In/3-Out MIDI Interface with a built-in USB Hub, available from sweetwater $70
OUT or THRU selectable switches, USB Hub built-in and up to 3 units cascade connection, USB Bus Powered.
ProCo 1/4"TRS-to-XLR Male Mic Cables
10', available from sweetwater $20
20', available from sweetwater $70
all proco TRS-to-XLR Male, available from sweetwater