Marshall Electronics Rackmount Multichannel Digital Audio Monitor with Dolby Module - AR-DM61-BT-DB

Marshall Electronics  Rackmount Multichannel Digital Audio Monitor with Dolby Module - AR-DM61-BT-DB

•  Multichannel Rackmount Audio Monitor in 1 RU

• Compact 1-RU chassis for use in TV stations, OB vans, houses of worship, and transfer stations

• Features a 10" intuitive LCD touchscreen for full system control and monitoring

•  Dolby CAT 1100 Decoder Module (Pre-Installed)

• Enables monitoring of Dolby-encoded audio from SDI or AES inputs

• Supports Dolby decoding for normal listening modes: Mono, Stereo, LRC, MIX, etc.

• Displays Dolby audio channels and allows listening when tracks are selected

•  Advanced Display Options

• Touchscreen displays up to 64 channels vertically or 2 detailed horizontal channels

• 96-step high-precision horizontal bar mode

• LKFS display mode averages all channels in the current mix

• Built-in live video preview monitor for SDI sources

•  Front Panel Features

• High-powered stereo speakers (up to 100 dB output)

• 1/4" headphone jack for private listening

• Push-to-mute button and volume control knob

•  Rear Panel Connectivity

• 2x 3G-SDI inputs with loop-through (MADI compatible)

• 4x AES stereo inputs/outputs (8 channels total) via 25-pin D-sub connectors

• 8x Analog inputs/outputs via 25-pin D-sub connectors

• 2x RJ45 Ethernet ports for network control

•  Power Supply

• Comes with a 24 VDC universal power supply

What our Experts Think

• Professional multichannel audio monitoring
  Designed for up to 7.1 multichannel digital audio, giving engineers real-time clarity on mix integrity and channel balance.

• Dolby module for accurate decoding
  Built‑in Dolby decoding (Dolby Digital, Dolby Digital Plus, etc.) ensures monitoring matches what audiences hear on consumer devices.

• Clear, detailed metering
  High‑resolution level meters and channel indicators provide visual precision for broadcast, post, and live sound environments.

• Versatile input support
  Accepts AES/EBU, S/PDIF, HDMI embedded audio, and analog feeds — integrates seamlessly into diverse studio and OB workflows.

• Flexible output options
  Includes headphone, line, and speaker outputs, letting you check mixes through multiple monitoring paths without extra gear.

• Rackmount convenience & reliability
  Standard 1U design with robust build quality suits racks in control rooms, trucks, and studios — optimized for 24/7 operation.

• Easy operation with transport sync
  Transport‑friendly features like timecode support and reference sync keep audio in lockstep with video systems.

Q&A

Q1: What is the AR‑DM61‑BT‑DB designed for?
A: It’s a 1‑RU professional rackmount multichannel digital audio monitor with a built‑in Dolby decoder module, ideal for broadcast, live production, control rooms, TV stations, and houses of worship.

Q2: What makes this model different from the standard AR‑DM61‑BT?
A: It includes a pre‑installed Dolby CAT 1100 decoder module that lets you monitor and listen to Dolby‑encoded audio from SDI or AES inputs.

Q3: How many audio channels can it display?
A: The touchscreen can show up to 64 audio channels vertically, or switch to 96‑step high‑precision horizontal bar mode for detailed metering.

Q4: Does it include video monitoring?
A: Yes, it has a built‑in live video preview monitor for confidence monitoring alongside audio.

Q5: What inputs and outputs are supported?
A: It supports two 3G‑SDI inputs with loop‑through, 8 AES/EBU channels, 8 balanced analog channels, and network/Ethernet connectivity.

Q6: Can you listen directly from the unit?
A: Yes — it has high‑powered stereo speakers (up to 100 dB) and a ¼″ headphone jack for private monitoring.

Q7: Is remote control or networking supported?
A: Yes, dual RJ45 Ethernet ports provide network control and integration into facility systems. 

Maintenance Tips

• Clean Touchscreen & Panel: Use a soft microfiber cloth to keep the 10" LCD display and controls free of dust for accurate audio metering.

• Ensure Proper Ventilation: Maintain airflow in the 1RU rack to prevent overheating during extended use.

• Stable Power Supply: Use the recommended 24V DC input to avoid system instability or damage.

• Firmware Updates: Regularly update via the built-in web interface to ensure Dolby module and multichannel features remain optimized.

• Check Audio Connections: Inspect SDI, HDMI, AES, and analog inputs for clean signal paths and prevent dropouts.

• Speaker Care: Avoid constant max volume (up to 100 dB output) to extend speaker lifespan.

• Protect from Dust & Humidity: Keep in controlled studio conditions to maintain internal electronics.

• Backup Presets & Settings: Save configurations to prevent loss during resets or updates.

• Monitor Network & IP Setup: Ensure stable Ethernet/Dante connections for remote control and multichannel workflows.

• Calibrate Dolby Module Periodically: Verify correct encoding/decoding for professional broadcast compliance.