Shure X2u XLR-to-USB Microphone Adapter Specifications:

* Frequency response: 20 to 20,000Hz +/- 1dB
* Power requirements: USB-powered, 500mA, maximum
* Digital noise floor (20Hz to 20kHz, A-weighted):
* Minimum MIC GAIN setting: 81 dB FS, Maximum MIC GAIN setting: 78 dB FS
* Sampling rate: Up to 48kHz
* Bit depth: 16-bit
* Peak Signal Indicator (Tri-color)
* OFF: 30 dB FS
* Green: 30 to 12 dB FS
* Yellow: 12 to 0 dB FS
* Red: >0 (digital converter clipped)
* Adjustable gain range: 40dB
* Headphone output: 1/8″

System Requirements
* USB 1.1 or 2.0, powered
* 64MB RAM (minimum)
* Operating System:
* Microsoft Windows 2000 Professional Japanese/English Edition
* Microsoft Windows XP Home/Professional Japanese/English Edition (service pack 1.0 or later, or use the USB audio driver update from Microsoft)
* Microsoft Windows Vista Business Japanese/English Edition
* Apple Computer Mac OS X 10.0 or later English Edition
* Apple Computer Mac OS X 10.1 or later Japanese Edition (For Mac OS X 10.0 Japanese Edition, plug-and-play does not work appropriately)

Shure X2u XLR-to-USB Microphone Adapter Features:

* Connect
* Plug-and-play USB connectivity allows the convenience of digital recording
* anywhere your computer can go
* Compatible with Windows Vista, XP, 2000, and Mac OS X 10.1 or later
* Provides +48V Phantom power for use with condenser microphones
* Includes padded, zippered pouch and USB cable (9.8ft)

Record
* Monitor Mix Control for blending microphone and playback audio
* 1/8″ headphone jack with volume control for monitoring
* Integrated pre-amp with microphone gain control allows control of input signal strength

Playback
* Zero latency monitoring for real-time playback and multitracking without disorientation
* 16-bit, up to 48KHz sample rate for better-than-CD audio quality