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Denon DN-300C - CD Media Player The Denon DN-300C is a professional 1U rack-mountable CD and media player offering superior audio quality and rugged reliability. Ideal for retail shops, hotels, conference rooms, and educational environments, it supports CD, MP3 playback, USB thumb drives, and AUX input for versatile media options. Key Features Plays CD and MP3 files Super-fast slot-in CD loading mechanism Playback modes: random, repeat, and power-on-play Supports removable USB thumb drives up to 32 GB 3.5mm AUX input for external audio devices 10-key direct track access buttons Includes IR remote control Balanced XLR and unbalanced RCA line outputs 1U rack-mountable design Front Panel Lock, Power On Play, and Resume settings after power recycle Specifications Digital Audio System Playable Formats / File Systems: CD-DA (CD-TEXT), CD-ROM (ISO9660), CD-R, MP3-CD; USB: FAT16 / FAT32 MP3 Format Supported: Extension: MP3; Bitrate: 32 to 320 kbps and VBR; Sampling Frequency: 44.1 kHz / 16-bit Number of Channels: 2 (stereo), 1 (mono) Frequency Response: 20 Hz - 20 kHz (± 1.0 dB) S/N Ratio: > 95 dB (A-Weighted) Total Harmonic Distortion (THD): Dynamic Range: > 85 dB Channel Separation: > 80 dB Input Aux in: TRS (3.5mm) Input impedance: Over 10 kΩ Maximum input level: 1 Vrms Output Balanced XLR / unbalanced RCA Maximum output level: 3 Vrms USB Thumbdrive Specs Maximum storage capacity: Up to 32 GB Maximum file size: 2 GB Operating Environment Operating temperature: 5-35 °C (41-95 °F) Operating humidity: 25-85%, no condensation General Power Supply: USA & Canada: AC 120V, 60 Hz EU, UK, APAC: AC 230V, 50/60 Hz Japan: AC 100V, 50/60 Hz Power consumption: 30W Dimensions: With rack ears: 483 x 347 x 44 mm (19.00” x 13.66” x 1.73”) Without rack ears: 434 x 347 x 44 mm (17.09” x 13.66” x 1.73”) Weight: 3.6 kg (7.94 lbs)