Overview

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.

 Features

• 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

Specifications

 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)