IR Receiver IRH-4


• Available as a Stethoset, hard of hearing loop or as shirt pocket/belt-pack
• Lightweight and comfortable
• Battery level indicator
• Two battery compartment possibilities
• Volume / Channel select buttons

Tech Specs:

• Number of channels – 4
• Carrier frequencies – 2.3MHz, 2.8MHz, 3.3MHz and 3.8MHz
• Modulation – FM
• Distortion at 1kHz – Less than 2%
• 40 hours of use, 2 hours charging time
• Matching headset – 70 – 2000ohms
• Weight – 120g
• Size (HxWxD) – 140x47x22mm


• IRH-4 4-channel IR Receiver
• IRH-4-R 4-channel rechargeable IR Receiver

4-channel IR pocket receiver for the B4 IR system with button-controlled channel selection and volume control, in our famous Lingua case. Backlit 2-digit LCD displays channel number, volume level, signal strength & battery level. Has a standard 3.5mm headphone jack for stereo audio output for use with our HS-5L headphones, NL-1 induction neckloop (for hard of hearing) or ST-1 stethoset headphones. The standard belt clip on the rear can be used on its own or with a lanyard necklace. Available with a built-in rechargeable battery (requires RCR-series charging case), or as a non-rechargeable version for use with standard disposable batteries.