R500
Secure in-room infrared listening system

R500

R500 keeps clear wireless audio inside classrooms, exam halls, courtrooms and other controlled rooms using line-of-sight infrared transmission.

Infrared (IR) wireless technologyUp to 30m / 100ft line of sight room coverageContained within the room signal behavior
$699.99

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Check compatibility Guided enquiry
Fast Local Delivery1-3 Business Days
60-Day Free ReturnsHassle-Free
Free Setup SupportVenue Specialist Included
  • Secure Room-Contained Audio – Infrared signals do not pass through walls, helping keep listening content inside the room.
  • Interference-Free IR Technology – Avoid RF and Bluetooth congestion in classrooms, exams and legal environments.
  • Designed for Controlled Listening – Support selected listeners in courtrooms, conference rooms, churches and quiet venues.
  • Up to 30m / 100ft Coverage – Serve a defined in-room area with suitable transmitter placement and line of sight.
  • AUX & Microphone Inputs – Connect compatible room audio and spoken-program sources.
  • Expandable Headphone Listening – Add compatible R500 headphones for more listeners in the same room.
Setup & Support
R500 $699.99

01 · Build your system

Complete the system

View all Add-ons & Accessories

02 · How it works

How it works with your devices

Audio sources

3.5mm AUX sourceMicrophone source

Product

R500
R500

Listener pathways

  • Included R500 headphonesThe infrared transmitter sends room-contained audio to the included compatible R500 headphones.
  • Additional R500 headphonesAdd compatible R500 headphones for more managed listeners within the same room.

Infrared requires practical line of sight and does not pass through walls. Coverage depends on room layout, obstructions and transmitter placement.

03 · Where it fits

Where it fits

Exam Hall & Classroom

Deliver instructions and audio without RF interference or cross-room signal leakage.

Courtroom & Legal Hearing

Keep selected spoken content inside the room for controlled listening.

Conference & Meeting Room

Provide clear audio to managed listeners in a defined line-of-sight area.

Church & Quiet Venue

Support selected listeners where room-contained infrared coverage is preferred.

Best for defined indoor rooms where signal containment and freedom from RF interference matter more than through-wall or outdoor coverage.

04 · Product details

Product details

Key specifications

Technology
Infrared (IR)
Transmission type
Line of sight
Coverage
Up to 30m / 100ft, depending on room layout
Room containment
Signal does not transmit through walls
Transmitter inputs
AUX and microphone

Simple setup

  1. 1Connect the room audioConnect a compatible AUX or microphone source to the infrared transmitter.
  2. 2Position for line of sightPlace the transmitter so listeners remain within the room and have practical infrared line of sight.
  3. 3Distribute the headphonesPower on the compatible R500 headphones, confirm reception and adjust listener volume.

05 · Compare

Compare alternatives

FeatureCurrent productR500Audiplex MXQuartet 2
Wireless technologyInfrared (IR)Dedicated 2.4GHz RFDedicated 2.4GHz RF
Room containmentYes - signal does not pass through wallsNo - RF can extend beyond the roomNo - RF can extend beyond the room
Line of sight requiredYesNoNo
Published rangeUp to 30m / 100ftUp to 100m / 328ftUp to 30m / 100ft
Best forPrivate, controlled in-room listeningManaged multi-channel low-latency listeningCompact group headphone listening

06 · Common questions

Common questions

What is R500 designed for?

R500 is a secure in-room infrared listening system for classrooms, exam halls, courtrooms, conference rooms, churches and other controlled spaces.

Why does the audio stay inside the room?

Infrared signals do not pass through walls, helping contain the wireless audio within the room.

What is the expected coverage?

The published coverage is up to 30m / 100ft line of sight, depending on room layout and transmitter placement.

Does R500 require line of sight?

Yes. Infrared transmission requires practical line of sight, so obstructions and placement can affect reception.

Which audio sources can connect?

The R500 transmitter supports compatible AUX and microphone inputs.