Denon DN-300R Solid-State SD and USB Audio Recorder

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PA SKU # DN DN300R MFR # DN-300R UPC # 694318023297
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  • Product Highlights
  • For Conference, Club, Place of Worship
  • Record to SD & USB Simultaneously
  • Balanced XLR & Unbalanced RCA I/O
  • WAV & MP3 Recording

1RU Rackmount Solid-State SD and USB Audio Recorder

The Denon DN-300R is a 1 RU, rack-mountable audio recorder and playback device designed for installed sound applications in houses of worship, music clubs, and more. The unit can record to SD/SDHC/SDXC cards and USB media, either one at a time or simultaneously to both; perfect for capturing conferences or concerts where the client needs a copy of the recording immediately after the event.

The DN-300R features a set of balanced XLR and unbalanced RCA I/O for connecting the input of the unit to an external audio source and its output to powered speakers or a sound system. The unit records WAV files at up to 24-bit / 48 kHz and MP3 files at up to 256 kbps.

Multiple record options are available including mono, stereo, dual mono, and dual stereo. In dual mono and dual stereo modes, two audio files are created with the second one recorded at -10 dB to help protect your recording against accidental peaks in the audio source. Record start can be automatically triggered when the input level passes a certain threshold.

Various playback options enable you to play just a single track or all tracks in a folder or on the device, in repeat or random playback modes. A headphone output with independent level allows you to monitor quietly while recording or playing back.

  • Records WAV and MP3 files to SD and USB media simultaneously
  • Simple and easy to use
  • Balanced XLR and unbalanced RCA inputs and outputs
  • Powers up in record-ready mode
  • Multiple record modes including mono, stereo, and more
  • Multiple playback modes including repeat, random, and more
  • Record two stereo files at the same time with the second file recorded as a safety track at -10 dB
  • Starts and stops recording when the input level passes a certain threshold
  • Stops recording after a period of time has elapsed
  • Headphone output with independent level
  • Compact, rack-mountable 1 RU design
  • Digital Audio System
  • System: Media recorder and player
  • Compatible Media:
    USB: 256 MB to 2 TB
    SD Card: 64 MB to 2 GB
    SDHC Card: 4 to 32 GB
    SDXC Card: 48 to 128 GB
  • Supported File Systems: FAT16, FAT32
  • Supported File Formats:
    Sampling Frequency: 44.1 kHz
    Bit Rate (Recording): 192, 256 kbps
    Bit Rate (Playback): 64 to 320 kbps and VBR
    Format: MPEG1 Audio Layer 3
    File Extension: .mp3

    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 x channels, stereo
  • Frequency Response: 10 Hz to 20 kHz, ±1.0 dB (recording), ±0.8 dB (playback)
  • S/N Ratio:
    Recording: > 95 dB
    Playback: > 95 dB
    (1 kHz, 0 dB, A-weighted)
  • Channel Separation:
    Recording: > 80 dB
    Playback: > 90 dB
    (1 kHz, 0 dB, A-weighted)
  • Wow & Flutter: < 0.001%
  • Distortion:
    Recording: < 0.008%
    Playback: < 0.006%
  • Total Harmonic Distortion: < 0.01% (1 kHz, 0 dB, A-weighted)
  • Inputs
  • Balanced XLR Inputs:
    Nominal Level: +4 dBu, ±1 dBu
    Minimum Level: -40 dBu
    Maximum Level: 20 dBu, ±1 dBu
    Input Impedance: 18 kOhms
  • Unbalanced RCA Inputs:
    Nominal Level: -10 dBV (at full scale: -16 dB)
    Minimum Input Level: -19 dBV or higher
    Input Impedance: 22 kOhms, ±10%
  • Outputs
  • Balanced XLR Outputs:
    Nominal Level: +4 dBu, ±1 dBu
    Maximum Output Level: +20 dBu, ±1 dBu
    Output Impedance: 600 Ohms, ±10%
  • Unbalanced RCA Outputs:
    Nominal Level: -10 dBV, ±2 dBV
    Minimum Output Level: 6 dBV, ±2 dBV
    Output Impedance: 600 Ohms, ±10%
  • General
  • Connectors:
    2 x XLR inputs
    2 x XLR outputs
    1 x RCA stereo input pair
    1 x RCA stereo output pair
    1 x 1/4" / 6.35 mm headphone output
    1 x USB port
    1 x SD card slot
    1 x IEC power input
  • Power Supply: Input Voltage: 100-240 VAC, 50/60 Hz
  • Rack Space: 1 RU
  • Dimensions (W x D x H): 19.0 x 10.0 x 1.7" / 483.0 x 254.0 x 44.0 mm
  • Weight: 6.6 lb / 3.0 kg
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