I purchased this not even a year ago and rarely used it. I updated to a better user interface and been attempting to sell it considering that. I paid $90 for it at Pinkstons and feel this is a bargain for it being practically brand name new.

　　USB Dual Pre Project Series Two Ch USB Pre.

　　The USB Dual Pre is a full-featured high quality dual portable preamplifier and computer user interface packed into a compact rugged case.

　　It is developed to persuade a wide range of applications from remote field tape-recording to desktop/studio monitoring. Each of the 2 low noise input channels has up to 48 dB of clean gain with signal present and clip LED indications. Inputs can be either XLR balanced or 1/4-inch TRS. Each of the 1/4-inch TRS outputs is buffered low impedance stabilized.

　　The USB Dual Pre is powered via the USB bus. An internal 9 Volt battery, or optional external 12V power supply (or any mix of USB, battery & power supply) can be made use of depending upon application. You ought to anticipate in excess of 50 hours of operation with phantom power off when running powered by battery alone. When phantom powering is engaged (still sufficient time to get with an average session), Battery life will certainly drop to roughly 20 hours (depending on microphone).

　　The integrated low sound +48 Volt phantom power supply enables you to power up to 2 microphones in addition to the preamplifier when flying any power sources consisting of the USB bus.

　　For monitoring, an 1/8-inch TRS mini headphone jack with level and display mix controls on the rear permit latency complimentary local tracking of the inputs while tape-recording along with playback monitoring of the USB bus. The monitor mix is also directed to the 1/4-inch TRS well balanced outputs. This lets you make use of the 1/4-inch outputs as either preamplifier outputs or as the monitor feed to your powered monitors.

　　The USB interface is totally compliant with the USB 1.1 requirements and utilizes USB adaptive mode for playback and USB asynchronous mode for record. It will deal with the USB audio device drivers constructed into Windows 98SE/ME/2000 / XP/Vista and Apple OS9.1 / OSX computer systems with native USB support. No special drivers are needed.

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