Opus OP-LRM Hearing Loop Receiver and Measurer Kit

The Opus OP-LRM is a compact hearing loop receiver and measurer kit designed for convenient monitoring and evaluation of loop system performance. Supplied with the OP-LR receiver/measurer and OP-778 headphone, this kit provides a practical solution for checking magnetic field strength and listening to audio in assisted listening environments.

Its lightweight design, rechargeable lithium-ion battery, and clear LED status indication make the OP-LRM well suited for portable use by installers, technicians, and service teams. With a standard 3.5 mm headphone output and reliable frequency response for loop testing, it offers an easy way to monitor hearing loop performance in professional and accessibility-focused settings.

Key Features of the Opus OP-LRM

• Complete Measurement Kit: Includes the OP-LR receiver/measurer and OP-778 headphone for a ready-to-use hearing loop monitoring solution.
• Portable Hearing Loop Testing: Designed for receiving and measuring loop system performance in a compact, lightweight format.
• Magnetic Field Strength Indication: Uses yellow, green, and red LED indicators to show signal level status for quick visual monitoring.
• Rechargeable Battery Design: Powered by a lithium-ion battery for convenient repeated use.
• Micro USB Charging: Features a Micro USB charging port for simple power replenishment.
• Direct Headphone Monitoring: Includes a standard stereo 3.5 mm headphone output for listening during measurement and testing.
• Compact Black Housing: Small form factor is easy to carry and practical for field use.

Technical Specifications

• Brand: Opus
• Model: OP-LRM
• Product Type: Hearing loop receiver and measurer kit
• Kit Components: OP-LR receiver/measurer, OP-778 headphone
• Battery Type: Lithium-ion battery
• Battery Charging Port: Micro USB male
• Power Indicator: Yellow LED flashes when OP-LR is turned on
• Headphone Output: Standard stereo headphone, 3.5 mm jack
• Filter: Flat
• Frequency Response 30 Hz to 500 Hz: -3 dB to -4 dB
• Frequency Response 500 Hz to 2.5 kHz: ± 0.25 dB
• Frequency Response 2.5 kHz to 10 kHz: ± 3 dB
• Magnetic Field Strength Indicator, Yellow LED: Greater than -3 dB
• Magnetic Field Strength Indicator, Green LED: Between -3 dB and +3 dB
• Magnetic Field Strength Indicator, Red LED: Less than 3 dB
• Dimensions: 1.38 x 0.79 x 2.95 inches
• Weight: 34 g (including battery)
• Color: Black

What's Included

• OP-LR receiver/measurer
• OP-778 headphone