Denon Pro

Solid-State SD/USB Audio Recorder Denon

Product Code: DM-DN300RMKII

RRP $749.00
Quantity In Cart:  
Unit of Measure


1 Year
Technical Specifications
Brands Denon Pro
Medium SD
Medium USB
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Solid-State SD/USB Audio Recorder

The DN-300RMKII 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-300RMKII right out of the box and record to SD, USB or both. Utilizing Dual Mono or Dual Stereo modes, the ability to record a second mono or stereo file at -10dB on the same media is supported - even when recording to both SD and USB at the same time. The DN-300RMKII is exactly what the market is looking for in terms of a simple but high-quality recording solution for commercial applications. The DN-300RMKII 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
  • Dual Stereo & Dual Mono modes for recording -10dB safety tracks on the same media
  • 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)
  • 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
  • (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
  • 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)

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Our goods come with guarantees that cannot be excluded under the Australian Consumer Law. You are entitled to a replacement or refund for a major failure and compensation for any other reasonably foreseeable loss or damage. You are also entitled to have the goods repaired or replaced if the goods fail to be of acceptable quality and the failure does not amount to a major failure.

All items purchased from Amber Technology will be covered under warranty. The duration and terms of this warranty are specified by the manufacturer unless otherwise stated. Warranty information is available on the individual product listings on this site.

Refurbished items will include a 12 month warranty unless otherwise stated.

Please contact us if you have received an item which has been damaged in transit or is otherwise not working correctly when you receive it. Subject to availability, we will arrange for a replacement item to be despatched and for the faulty item to be returned to us. 

Amber Technology maintains a nation-wide network of carefully selected Authorised Service Agents to ensure that you are never far from convenient, expert technical and service support. If your item develops a problem and requires servicing under warranty, please contact your local Authorised Service Agent.

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The availability of stock is communicated via the indicator of each product listing page. "Available" means that reasonable stock is in our warehouse, ready for immediate shipment. "Limited Stock" means that we have only a small number of items in stock. "Out of Stock" means this item is currently unavailable for immediate shipment - orders placed for ‘Out of Stock’ items will be fulfilled as soon as replacement stock arrives.

"Special Order” items are products that are not generally kept in stock in Australia. Lead times for Special Order items vary depending on country of origin, manufacturer’s stock levels, factory production schedules and/or incoming shipment transit times. Please contact us for an estimate as to the likely lead time. Please note that finalized sales for special order items cannot be cancelled.

Refurbished items

If refurbished stock is available, this will be shown on the summary page for the product. If a product listing only allows you to choose refurbished stock, we are not holding new stock and we can no longer obtain new stock.

Refurbished items are always in perfect working order and will include all accessories. Refurbished items are may

  • have a damaged carton
  • have been used for demonstrations
  • have been repaired
  • have minor imperfections that do not impact performance.

Refurbished items include a 12-Month warranty unless otherwise stated.

Technical Support

Please visit the Get Support page to find a service agent, log a service ticket, or ask a technical question about your product.


Please contact us if you have received an item which has been damaged in transit or is otherwise not working correctly when you receive it. Subject to availability, we will arrange for a replacement item to be despatched and for the faulty item to be returned to us.