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Listen Technologies

Listen Technologies LR-4200-IR DSP IR receiver

SKU CH-B2CG-93187

An infrared DSP receiver delivering clear assistive audio with up to eight hours of battery life, an OLED status display, dual 3.5 mm outputs and an integrated neck-loop lanyard

  • Crystal-clear audio with less than 2% total harmonic distortion
  • Up to 8 hours continuous use on a single lithium-ion charge
  • Simple power and volume controls with OLED status display
  • Dual 3.5 mm audio outputs for mono, stereo or intelligent earphones
  • Integrated neck loop lanyard with DSP driver for T-coil hearing aids

Intelligent DSP IR Receiver

The Listen Technologies LR-4200-IR is an intelligent digital signal processing infrared receiver designed for assistive listening in venues such as corporate meeting rooms, conference halls and presentation spaces. Its compact form factor and integrated neck loop lanyard make it comfortable for all-day wear by end users.

Battery Life and Audio Output

A lithium-ion battery provides up to 8 hours of continuous operation on a single charge, reducing interruptions during extended sessions. Dual 3.5 mm audio output jacks accept both mono and stereo phone plugs as well as compatible ear phones and neck loops for versatile connectivity.

Sustained Use and Charging

The micro USB port allows venues to charge and update multiple units from any standard USB port without proprietary equipment. An integrated OLED display continuously shows channel selection, volume level and battery status so users can monitor performance throughout long events.

Highlights

  • Crystal-clear audio with less than 2% total harmonic distortion
  • Up to 8 hours continuous use on a single lithium-ion charge
  • Simple power and volume controls with OLED status display
  • Dual 3.5 mm audio outputs for mono, stereo or intelligent earphones
  • Integrated neck loop lanyard with DSP driver for T-coil hearing aids

Specifications

No published specifications for this item yet.

Questions about this item

How do I charge and update the LR-4200-IR receiver?

Connect the micro USB port to any standard USB power source or computer. The integrated OLED display shows charge status while charging, and firmware updates can be applied through the same connection.

What ongoing power maintenance does the LR-4200-IR require?

The internal Lithium-Ion battery provides up to 8 hours of continuous use per charge. Recharge via micro USB when the OLED display indicates low battery; the battery is not user-replaceable.

How long can the LR-4200-IR run continuously before the battery limits operation?

The rechargeable Lithium-Ion battery delivers up to 8 hours of continuous operation on a full charge, after which the unit must be recharged via micro USB before further use.

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