Check the listing for details. DJ Tech PREAMP 1800 8 Channel Preamplifier w/ USB Audio Interface 110V-240V. Condition: New. Listed at 239.00 USD. DJ Tech PREAMP 1800 8 Channel Preamplifier w/ USB Audio Interface 110V-240V Record clear, detailed audio with this DJ-Tech PREAMP1800 8-channel preamplifier, which features a USB interface for easy playback and recording from a thumb drive up to 32GB and a 3-band EQ for flexible audio capture. FEATURES 2-in/2-out USB interface, Enables playback and recording from a USB thumb drive up to 32GB, plus a simple connection to your PC or Mac. Also compatible with select CD players, vinyl turntables, microphones and more. 1U rack size for a compact design. Include RCA, 1 phono and one 1/4" microphone with level control. Mute, low-cut and mono switches, Allows simple one-touch control over the preamplifier. Software package Includes Audio Cleaning Lab SE for PC and Audacity for PC and Mac