Martel Electronics

Martel DM246 Four Omni-Directional Microphone & Transcription Package

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  • Courtroom recording system with 4 track 4 Voice Grabber
  • Courtroom recording system with 4 track 4 Voice Grabber
  • Courtroom Recorder DM246 side microphone input jacks
  • Dm246 side
  • 4 channel track transcription kit
  • Courtroom recording microphone No Battery Phantom Powered flat omni directional microphone for court voice recording
Sale Price $1,395.00



DM246 V2 Court Recording Equipment with 4 - Omni-Directional microphones spread out around the courtroom ensures complete coverage of every word. Each of these microphones has a pickup range of 36 feet. Also included is the transcription kit, which contains a USB foot pedal, headset and 4 track transcription software.

The Martel DM246 V2 is the most reliable of 4 channel standalone court room recorders. It is the direct replacement for the discontinued Sony BM-246 and Lanier Advocate 4 courtroom recorders.

Bonus Case

The Martel DM246 V2 Four Channel Recorder is comprised of a special voice recording system that will capture every low volume voice, even in a noisy courtroom environment. The DM246 V2 has real-time confidence monitoring via headphones and "live" VU meter graphs, knob individual gain, and monitoring controls. Additionally, it has the ability to control each channel individually, isolating the microphone you want to hear by itself. It has AC and battery backup operation, plus built-in microphones that make it the worlds' only reliable 4 channel recorder available today for courtroom recording.

We combined state-of-the-art digital courtroom recording and easy hard drive archiving to make your life simple. It works just like a tape recorder, just plug in microphones and hit record. Do you remember your old, always reliable 4 channel 4 track tape recorder?

Tired of computer recording software that doesn't work, or have errors causing you to lose the entire record? We have the non-computer solution. Never worry about windows errors while recording, since it isn't a computer. Numerous Major Court Reporting Firms in Washington DC place large orders to outfit their reporters who cover congressional hearings.

The DM246 V2 was created specifically as a replacement for your 4 track court tape recorders. It has several key distinct advantages to Court agencies: Records 4 separate tracks of audio. Burns directly to a DVD for archiving. Records 22 hours of 4 track audio on a 32GB SDHC card, 4 separate channels, plenty for all day recording. 

Voice Writers are using the DM246 V2 also. You can record the mask on channel 1 and the deposition or courtroom on the other 3 channels. Since you record in standard .wav format you can easily load the channel one into a voice recognition software such as dragon and get high accuracy voice recognition.

Today there is only one standalone Digital 4 channel court room recorder with the ability to cover an entire court room. You can add up to 8 separate microphones into the DM246 V2 court room recorder. We must stress that we are making only very limited quantities

Features and Benefits

  • Records 22 hours of 4 track audio on a 32GB SDHC card, 4 separate channels simultaneously.  Judge, witness, district attorney and defense attorney
  • The DM246 V2 Court Room Recorder is a compact, solid-state true multi-channel recorder that uses SD or large capacity SDHC cards, COURTROOM RECORDER
  • Monitor each channel separately or all 4 channels simultaneously through the headphones
  • Mark spots in the recordings for easy jump back playback.
  • Marker/Cursor Buttons - Pressing the MARK button adds markers to the recordings enabling quick access to points of playback. The 4 buttons also work as a cursor control while a menu is selected, just like your COURTROOM RECORDER BM 246.
  • Remove the memory card and instantly download the audio files to a network or server for sharing or archiving
  • Creates broadcast quality .Wav files at 16 bit / 44.1kHz
  • COURTROOM RECORDER Pre-record function ensures you never miss that important moment again - When the REC button is pressed, the material from the previous few seconds (select) is included. The pre-record function buffers input signals for a user-definable amount of time
  • PA system output for playback of audio throughout the courtroom
  • Compatible with existing court microphones and external equipment
  • USB 2.0 cable included allows direct downloading from the DM246 V2 Digital Court Room Recorder to a computer
  • Digital inputs and outputs for read back through PA systems in the courtroom
  • Phantom Power for microphones without a battery
  • Records Standard .Wav files - can be played back on the unit itself or on a computer using Windows Media Player or the T147 4 Channel Transcription Kit
  • The combo COURTROOM RECORDER input jacks (4) support the connection of both XLR and 1/4 inch plugs. XLR inputs are equipped with phantom power for court recording
  • Minimizes background noise during low audio levels
  • USB 2.0 High Speed transfer cable Included. You can connect your DM246 V2 to your PC and download directly. See example picture below


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Specs + In the Box

  • Martel DM246 Four Channel Recorder
  • 32GB SD memory Card
  • AC Power Cord
  • (4) Omni-directional microphones
  • T147 Transcription kit
  • hard-shell case
  • Instruction Manual
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Additional Information

DM246 Four-Channel Courtroom Recorder
File Type:
Memory Card Type:
Separable Channels:
Microphone Jacks:
(4) XLR Three Prong
Headphone Jack:
RCA and Digital for PA systems
Transcription Kit Included:
Index Marking:
LCD Display:
2x1 inch hi contrast
USB Transfer Cable:
Yes, USB 2.0
Bit/Sample Rate:
16 bit / 44.1kHz
Frequency Response:
20Hz - 40kHz(0/-3 dB)
Moving Parts:
(4) AA Batteries, Power cord (included)
(6-3/16 (W) x 7-1/4 (D) x 2-7/16 (H) inches)
2 lbs 14 oz including batteries
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1 Review

  • 5
    Great price and amazing sound from this recorder

    Posted by Meg G. on 3rd Aug 2017

    Our courtroom recordings are now perfect. The DM246 is super reliable and easy to use. Just turn it on and hit record. That is the way I like it. When we listened to the recordings that are crystal clear. That makes transcribing much faster and accurate for us.

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