OHP 4000 Digital Music On Hold Player & Recorder  Descriptions: The OHP 4000 digital music-on-hold player/recorder features eight minutes of recording capacity (upgradeable to 16, 24 or 32 minutes). Best of all, there are no moving parts to break or wear...non-volatile memory means it retains its recorded content, even after power failure OHP 4000 DIGITAL MUSIC ON HOLD Features:   • OHP 4000 continuous-play, digital on-hold message player with 8-minute recording capability (upgradeable to 16, 24 or 32 minutes) • Everything that you need to add music and messages to the hold button of your PBX or KEY phone system • Message Studio Software - produce your own custom on-hold audio from your PC's desktop. • Impedance 8ohm/600ohm • Easy, do-it-yourself connection instructions • Memory: Built in: 8 minutes non-volatile flash • Audio cables - one cable to connect between your PC and the player when recording, the other to connect the player to your phone system or the optional on-hold adapter • Monitor speaker on/off • Source 110VAC, 60Hz UL/CSA power pack • Internal slot for optional integrated analog adapter module • Input: External audio-in jack • Output: 8 ohm: 4 volts peak to peak - 600 ohm: 8 volts peak to peak • Audio out: RCA jack • Audio in: 3.5mm mini jack MSRP new is about $269