Two-channel, portable, high-resolution USB audio interface for Mac OS and Windows. Balanced mic/line analog and coaxial/optical SPDIF I/O, with up to 24 bit/192 kHz resolution. 48V phantom, peak limiters and high-pass filter on microphone inputs. Stand-alone operation allows use as microphone preamplifier and A/D converter. USB bus powered.

Key Features

• Extended bandwidth, low-noise microphone preamplifiers with 48 V phantom, limiters, high-pass filters, and 15 dB pad.
• Dynamic range greater than 114 dB (in 24-bit operation).
• Flat 10 Hz to 40 kHz (@96 kHz SR) audio bandwidth with very low distortion characteristics.
• Each input individually selectable between microphone, line, and aux level signals (both channels selected simultaneously for S/PDIF connections).
• Precision, 23-segment, multicolor LED peak/VU meter, selectable between input and output sources.
• High-output headphone amplifier can drive a wide range of headphones.
• Balanced outputs on XLR connectors with dedicated level control can be used to drive line- or mic-level inputs.
• Mix control enables zero-delay monitoring of source audio, computer audio, or a mix of both source and computer audio for multitrack recording or computer telephony.
• Phono (RCA) jacks connect Aux Output to external loudspeakers or preamplifiers.
• Bus powering via USB for convenient, single-cable connection to the computer.
• In Stand-Alone mode the USBPre 2 operates as a microphone preamplifier and analog-to-digital converter.
• Hardware loop-through for test and measurement to send computer audio directly back to an input.
• High-strength extruded aluminum chassis.
• Mac® OS X 10.4+, Windows®XP/Vista/7, and Linux, class-compliant audio device.
• Additional features controlled by hardware DIP switches on the back panel; no software-only features and no control panel.