Denon DN-900R

product discontinued

This product has been discontinued by the manufacturer. Please contact us to find a replacement.


Network SD/USB Audio Recorder with Dante 2 x 2 Interface

Taking its place as Denon Professional’s flagship recording product, the DN-900R Dante/Network SD/USB Recorder is designed to meet the needs of the most demanding installations, combining high-quality audio recording with extensive network capabilities. With a powerful feature set and using the most reliable solid-state recording media, the DN-900R enables AV installation professionals to replace traditional recording devices with superior solid-state hardware in the widest range of applications.

Housed in a compact 1U rack-mountable chassis, the DN-900R offers Dante 2-in/2-out network compatibility as well as recording to both reliable SD card (two slots, 512GB ea.) and USB storage media. The unit can be configured for ‘dual’ simultaneous recording to both formats or ‘relay/cascade’ recording where longer recording times are desirable.

Designed for professional environments, the DN-900R features versatile connectivity including balanced XLR analog audio and AES/EBU digital I/O, as well as unbalanced analog connections and SPDIF.


Records to SD/SDHC and USB media in MP3 and WAV (up to 24-bit/96kHz)
Dual Record feature (records to two media options simultaneously for primary and backup recording)
Dante™ 2 x 2 network interface for recording and playback
Relay Record feature (continues recording to backup media when primary media is full)
File Archiving via FTP (automatic or timed) with 24/7 record feature
Web Remote for setup and control with password protection


Mic/Line In (2 XLR connectors)
Line In (2 RCA connectors)
Digital In (1 AES/EBU, 1 S/PDIF)
Dante Digital In (RJ-45 Connector)

Balanced Analog In L/R
Type: XLR (1: GND, 2: HOT, 3: COLD)
Line Setting Input Level: + 4dbu
Maximum Input Level: +24 dBu/+20 dBu/ +18 dBu
Input Impedance: 20 kΩ
Mic Setting Input Level: -60 to 16 dBu
Input Impedance: 5 kΩ
EIN: Less than -127 dBu (Rs = 150Ω)
CMRR: < 80 dB

Unbalanced Analog In L/R
Type: RCA terminal
Input Level: -10 dBV
Maximum Input Level: +10 dBV/ +6 dBV/ 4 dBV
Input Impedance: 10 kΩ

Unbalanced Digital In
Type: RCA terminal
Input Impedance: 75 Ω
Standard Input Level: 0.5 Vp - p
Format: IEC-60958 (Coaxial)

Balanced Digital In
Type: XLR (1: GND, 2: HOT, 3: COLD)
Input Impedance: 110 Ω
Standard Input Level: 3.5 Vp - p
Format: IEC-60958 (AES/EBU)

Dante Digital In
Type: 10/100 Ethernet RJ-45 connector
Format: 24 bit; 96, 48, 44.1 kHz sampling rates, uncompressed

Balanced Analog Out L/R (XLR)
Unbalanced Out L/R (RCA)
Balanced Digital Out (AES/EBU)
Unbalanced Digital Out (S/PDIF)
Headphone Output (1/4” / 6.35mm)
Dante Digital Out (RJ-45 connector)

Balanced Analog Out L/R
Type: XLR (1: GND, 2: HOT, 3: COLD)
Load Impedance: over 600 Ω
Output Level: +4 dBu at 600 Ω load
Maximum Output Level: +24 dBu/ +20 dBu/ +18 dBV

Unbalanced Analog Out
Type: RCA terminal
Load Impedance: Over 10 kΩ
Output Level: -10 dBV
Maximum Output Level: +10 dBV/ +6 dBV/ +4 dBV

Balanced Digital Out
Type: XLR (1: GND, 2: HOT, 3: COLD)
Output Impedance: 110 Ω
Standard Output Level: 3.0 Vp - p
Format: IEC-60958 (AES/EBU)

Unbalanced Digital Out
Type: RCA terminal
Output Impedance: 75 Ω
Standard Output Level: 0.5 Vp - p
Format: IEC-60958 (Coaxial)

Dante Digital Out
Type: 10/100 Ethernet RJ-45 connector
Format: 24 bit; 96, 48, 44.1 kHz sampling rates, uncompressed

Dante Network Audio
Latency: Less than 1 ms (excluding auxiliary signal paths)
Sample Rate: DN-900R uses SRC on its output to Dante to convert recorder sample rates to Dante Network sample rates
Sample Bit Depth: 24 bit

Compatible Media: SD/USB memory/USB HDD
Headphone Out: ¼” (6.35mm) 20 mW/32 Ω
Maximum Storage Capacity: Up to 2 TB
Maximum File Size: 2 GB
Maximum Number of Files: 2000 files (for 1 folder)
Maximum Number of Folders: 1000 folders
Maximum Number of Folder Hierarchies: 8 (under the root directory)

File System: FAT16, FAT32, HFS+, exFAT
File Format Specifications
Compatible Media: SD, SDHC, USB memory, USB HDD
Extension: WAV, AIFF, AIF
Resolution: 16 bit, 24 bit
Sampling Frequency: 44.1k, 48k, 96k

Playable MP3 Format
Extension: MP3
Bit Rate: 32 - 320 kbps, VBR
Sampling Frequency: 44.1k, 48k

Playable AAC Format
Extension: M4A
Compression Method: AAC-LC
Bit Rate: 64 - 320 kbps, VBR
Sampling Frequency: 44.1k, 48k

Number of Channels: 2 (stereo), 1 (mono)
Audio Frequency Characteristics: Line / Mic (-16 dBu) (+0.5 dB / -1 dB)
S/N Ratio: < 89 dB (A-weighted)
Total Harmonic Distortion: Less than 0.01 %
Dynamic Range: <106 dB (for 24 bit WAV playback)
Channel Separation: > -90 dB
Variable Pitch Width: -16 % to + 16 %
Variable Trim Adjustment Width: ± 2.0 db
Connection: Standard IEC (switching power supply)
Input Voltage: 120V AC, 60Hz (US and Canada models) 230V AC 50/60 Hz (EU, UK, Asia/Pacific models)
Power Consumption: 30 W, 0.4 W (standby), 3.4W (network standby)

Environmental Conditions
Operating Temperature: 41 - 95 °F
Operating Humidity: 25 - 85 %, non-condensing
Storage Temperature: -4 to 140 °F

Dimensions (width x depth x height):16.92” x 9.48” x 1.68” (430 x 241 x 43mm)
Weight: 5.7 lbs (2.6 kg)

Denon Professional DN900R (Denon DN-900r)

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