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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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
    digital recording system equipment for court, 2/7/2011

    Posted by Mia M. on 30th Apr 2014

    My court bought the digital recording equipment for court package. we have recorded many of our court proceedings on this unit and the sound is terrific. The 4 channel recording is great for hearing just the judge or witness. The four channel transcription kit is easy to use and the usb foot pedal works well with my pc.

  • 5
    We have 12 of the DM246 Court Room Recorders in our system, 6/9/2009

    Posted by Donna O'Connor (Chicago, IL) on 30th Apr 2014

    We love the 4 channel courtroom recorder DM246. We outfitted our entire court system with them. We saved $4000 on each court room. All the other system were $6000 and up. This is a real bargain at $1595.00. I would recommended this court room recorder to record in court. We replaced a number of the sony bm246 tape recorders and Lanier advocate.

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