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VR-5B-4E 4 Channel Digital Video Recorder | Veilux
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Tascam DR-40 4-Channel / 4-Track Portable Audio Recorder with Adjustable Stereo Microphone | CMCI Technology Resources | University of Colorado Boulder
Edirol by Roland R-4 Pro 4 Channel Portable Recorder – Buy from Gearwise – AV & Stage Equipment
Zoom H5 4-channel Handy Recorder - SCMS, Inc
Zoom H5 4-channel Handy Recorder | Sweetwater
TASCAM DSLR Camera 4-Channel Audio Recorder | Guitar Center
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Sony BM246 Recorder Transcriber
