DN-300R

Solid-State SD/USB Audio Recorder
(Discontinued Product)
(Discontinued Product)


The DN-300R records to both SD and USB media simultaneously – perfect for recording conferences where the client needs a copy of the recording after the event. With outstanding ease-of-use and simple operation, anyone can use the DN-300R right out of the box and record to SD, USB or both. The DN-300R is exactly what the market is looking for in terms of a simple but high-quality recording solution for commercial applications. The DN-300R gives installers and contractors the flexibility and convenience they need for total commercial recording capability.

  • Records WAV and Mp3 files to SD and USB media simultaneously
  • Simple and easy to use
  • Powers-up in record-ready mode
  • Ability to record one media at -10dB for a safety track
  • Balanced and unbalanced inputs and outputs
  • Compact 1RU design
  • Digital Audio System
    • System: Solid-state SD/USB audio recorder/player
      • Compatible Media (FAT16, FAT32)
        • USB Device (mass storage class)
        • SD/SDHC
        • SDXC


    • Supported File Formats
      • MP3
        • Sampling frequency: 44.1 kHz
        • Bit rate: 192, 256 kbps (recording); 64 - 320 kbps and VBR (playback)
        • Format: MPEG1 Audio Layer 3
        • File extension: .mp3

      • WAV
        • Sampling frequency: 44.1, 48 kHz
        • Bit depth: 16-bit (44.1 kHz), 24-bit (48 kHz)
        • Format: Waveform Audio File Format
        • File extension: .wav


    • Number of Channels: 2 channels / stereo
    • Audio Frequency Range: 10 - 20 kHz (± 1.0dB recording, ± 0.8 dB playback)
    • Signal-to-Noise Ratio
      • Recording: > 95 dB (1 kHz, 0dB A-weighted)
      • Playback: > 95 dB (1 kHz, 0dB A-weighted)

    • Channel Separation
      • Recording: > 80 dB (1 kHz, 0dB A-weighted)
      • Playback: > 90 dB (1 kHz, 0dB A-weighted)

    • Wow and Flutter: < 0.001 %
    • Distortion
      • Recording: < 0.008 %
      • Playback: < 0.006 %

    • Total Harmonic Distortion: < 0.01% (1 kHz, 0dB A-weighted)

  • Inputs
    • Balanced XLR
      • Nominal level: +4 dBu ± 1 dBu
      • Minimum level: - 40 dBu
      • Maximumm level: 20 dBu ± 1 dBu
      • Input impedance: 18 kΩ

    • Unbalanced RCA
      • Nominal Level: -10 dBV (at full scale: -16 dBu)
      • Minimum input Level: -19 dBV or higher
      • Input impedance: 22 kΩ ± 10%


  • Outputs
    • Balanced XLR
      • Nominal level: +4dBu ± 1 dBu
      • Maximum output level: +20 dBu ± 1 dBu
      • Output impedance: 600 Ω ± 10%

    • Unbalanced RCA
      • Nominal level: -10 dBV ± 2 dBV
      • Minimum output level: 6 dBV ± 2 dBV
      • Output impedance: 600 Ω ± 10%


  • Connectors
    • (2) XLR outputs
    • (1) 1/4" (6.35mm) headphone output
    • (1) RCA stereo output pair
    • (2) XLR inputs
    • (1) RCA stereo input pair
    • (1) USB port
    • (1) SD card slot
    • (1) IEC AC power input

  • Power
    • Connection: IEC
    • Input Voltage: 100 - 240 V~, 50/60 Hz

  • Dimensions (width x depth x height): 19.0" x 10.92" x 1.72" (484 x 277 x 44mm)
  • Weight: 6.6 lbs (3 kg)