Features
Records WAV and Mp3 files to SD and USB media simultaneously
Simple and easy to use
Powers-up in record-ready mode
Dual Stereo & Dual Mono modes for recording -10dB safety tracks on the same media
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
Maximum level: 20 dBu ± 1 dBu
Input impedance: 18 kΩ
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
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)
Package Contents: Denon Pro Rackmount Audio Recorder DN300R MKII, Power Cable, (4) Rubber Feet, Rack Ears (attached), User Guide.