Martel Electronics

Martel DM246 V2 Four Channel Courtroom Recorder - System

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  • DM246 Courtroom Recorder DM246-2
  • Bonus Case
  • Courtroom Recorder DM246 side 4 microphone input jacks
  • Dm246-2 side view
Sale Price $999.99



The Martel DM246 is the ultimate courtroom recorder. It is a 4 channel standalone court room recorders. It is the direct replacement for the discontinued Sony BM-246 and Lanier Advocate 4 courtroom recorders.

"We bought 3 of the Martel DM246 4 channel courtroom recorders. We use the in our Judge Advocates office. The DM246 was the perfect replacement for the old BM246 tape recorders. The 4 Channel recordings are perfect. Your court needs this recorder." 
- Ethan Stewart - Georgia

Records 22 hours of 4 track audio on a 32GB SDHC card 4 separate channels simultaneously. 

Bonus Case

The Martel DM246 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 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 equipment and easy uploading to external 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 has 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 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. You can store around 6 Years of court cases on a 4-Terabyte external hard drive for around $69.00. Super cost effective and convenient. 

Voice Writers are using the DM246 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 stand alone 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 court room recorder. We must stress that we are making only very limited quantities

Features and Benefits

  • Records 22 hours on a 32GB SDHC memory card, 4 separate channels simultaneously. Judge, witness, district attorney and defense attorney
  • The DM246 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 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 court room
  • Compatible with existing court microphones and external equipment
  • USB 2.0 cable included allows direct downloading from the DM246 Digital Court Room Recorder to a computer
  • Digital inputs and outputs for read back through PA systems in the court room
  • 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 to your PC and download directly. See example picture below
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Specs + In the Box

  • Martel DM246 Four Channel Recorder
  • 8GB SD memory Card
  • USB Card Reader
  • AC Power Cord
  • 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 Available:
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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14 Reviews

  • 5
    Excellent Support Team

    Posted by Shay Davis on 10th May 2016

    Martel DM246 is the best equipment. The software program is crystal clear. The support team is awesome. When you call for support they do an excellent job with explaining and showing you how to operate the equipment in a professional and timely manner and then they're off to the next caller :-) I'm super satisfied!!! Thanks guys.

  • 5
    The best 4 channel transcription software for 2014

    Posted by Jane on 12th Jul 2014

    The latest software update for the 4 channel transcription kit for windows 8.0 and 8.1 works fabulously. The 4 track transcription software kit helped us produce amazingly accurate transcripts for the court. Martel even gave us a extra license for senior court reporter. This is the worlds only 4 channel transcription kit that was made to work with the Martel DM246 it been tested and approved by the NY Supreme court.

  • 5
    The best PC Courtroom Recording is not a software system but the DM246

    Posted by Shea on 6th Jul 2014

    When you need a multi-channel Court Recorder you should be researching a non pc system. PC Courtroom Recording is not a the best choice because of error in the operating system. Mistrials should be your greatest concern as a court clerk. reliability and convenience is going to be the best choice. So I would go with the DM246 Computer Court Recorder. The unit works just like a lanier tape recorder with the 4 channels or tracks. It comes with a 4 track transcription software kit with usb foot pedal for transcribing the court proceedings. Thats the best choice for reliable documents creation.

  • 5
    Searching for digital courtroom recording software but decided to go with a more cost effective recording machine

    Posted by Mitchell on 29th Jun 2014

    We researched recording equipment for our courtrooms. We found lots of software systems that used windows computers. They were so expensive I think the software was golden. We tried the Martel dm246 and the sound was super clear to my ear. Also we did not have to have a IT department to run the Martel courtroom system. If we went with a courtroom recording software machine we would have to have a IT team standing by all the time. Martel provided us with technical specifications installation planning and gave us the customer support we needed after the purchase. That is way more than I expected but I noticed that Martel Electronics has been in business for 60 years now. We also got the newest digital courtroom transcription kit software.

  • 5
    Best courtroom recorder\conference recorder

    Posted by Missy on 20th Jun 2014

    The sound on the dm246 courtroom recording system is great. I can even hear the differences between the judge and the attorneys. The 4 channel transcription kit works great.

  • 4
    Courtroom recording software

    Posted by Barbara on 12th May 2014

    The courtroom recording software versus the standalone DM246. We have tried every software package in our courtroom and none of them have been easy to use.We finally bought a Martel DM246 system and its way easier to use. We love it.

  • 5
    Great information on courtroom recording systems

    Posted by Amber M. on 9th May 2014

    When we were investigating whether to use courtroom recording software versus a stand alone digital court recording equipment this recorder had all the features we will looking for. The problem with recording of court proceedings is that they are critical and we can not have any computer failures. that is why we chose the DM246. The unit is small and has simple record, stop, play. So simple.

  • 5
    I am so glad Martel has made the DM246 Courtroom Recorder as a replacement to the sony bm246,

    Posted by Sandra H. (Dallas, TX) on 30th Apr 2014

    My court had waited 2 years now for a stand alone 4 channel courtroom recorder. We looked at a $6000.00 system and we just couldn't afford it. Thankfully Martel has made the DM246. We just couldn't rely on a software recording package that ran on windows for our important court cases.

  • 5
    The only 4 channel Court room Digital Recorder, 5/4/2009

    Posted by Ava. K. on 30th Apr 2014

    Believe me I searched for 2 years before I found the Martel DM246 courtroom recorder. It was the perfect replacement for the old sony bm246 tape recorder I used in my court.

  • 5
    Replacement for our Lanier Adocate 4 channel recorder., 5/10/2009

    Posted by Elyse T. (Seattle, WA) on 30th Apr 2014

    My court was using the Lanier advocate for the last decade. I was so happy to find the Martel DM246 court room recorder with 4 channels of independent recording. Now we can record all day, then burn a dvd for storage. We are now replacing all 22 courtrooms with the DM246 courtroom digital recorder.

  • 5
    My Court Reporting firm just bought 10 of the DM246 courtroom recorders., 5/13/2009

    Posted by Linda K. (Austin, TX) on 30th Apr 2014

    Me and my other co workers have been carrying around those huge Sony bm246 court room recorders for about a decade now. What a relief to have the new DM246 digital venison of the court room 4 channel recorder. Its so small it fits in a purse and weighs 2 lbs. I recommend them to all court rooms who are using the old sony bm246 tape recorders.

  • 5
    Learn more about courtroom recording equipment here., 12/21/2009

    Posted by Madison Y. on 30th Apr 2014

    have worked in the courtroom as a court clerk for 9 years now. We used to use the sony bm246 cassette 4 channel tape recorder for our court. We switched over to the new courtroom recording equipment dm246. The sound is superior to tape and we saved allot of money by archiving them to dvd everyday. The System dm246 court recorder has brought us up to speed on the digital recording for court. The courtroom recorder is so easy it works just like a tape recorder, except it records to a memory stick. We also hooked into the dm246 court recorder, 2 wireless microphones. Court Recorder for multi-channel digital court recording. the dm246 has recording capabilities that are ideal to record court proceedings. The channels may be played back together or separately through the 4 channel transcription kit.

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