Listen Technologies LR-400-072 Portable Display RF Receiver, 72 MHz

Offering the same high-performance audio and convenient recharging features as our other receivers, the LR-400-072 Portable Display RF Receiver is an affordable option for establishing or expanding your assistive listening system. Capable of receiving up to 17 wide-band or 40 narrow-band channels, the LR-400-072 features a digital LCD display, channel seeking capabilities, and compatibility with mono or stereo headphones. The LCD display provides each user with channel selection, battery level, and signal strength information, and an LED on the top of each receiver indicates power status and low battery conditions.

Approved for assistive listening use in the U.S. by the FCC, the LR-400-072 Portable Display RF Receiver is a cost-effective way to provide assistive listening to your customers, clients, or patrons.

Architectural Specs
The RF receiver shall be capable of receiving on 57 wide and narrow band channels. The receiver shall have a SNR of 80 dB or greater. The device shall be able to be locked on a single channel. The receiver shall be capable of seeking channels. The unit shall incorporate a multi-functional LED that indicates power, channel lock, low battery, and battery charging. The device shall have a programmable squelch. The device shall have an audio frequency response of 50 Hz - 15 kHz (' +/-3 dB) at 72 MHz and 50 Hz - 10 kHz (' +/-3 dB) at 216 MHz. The device shall incorporate a stereo earphone jack that allows the user to plug in either a mono or stereo earphone(s).

The device shall incorporate an LCD display that indicates channel, battery level, low battery, battery charging, RF signal strength and channel lock status. The device shall be able to enable companding with the SQ function. The unit shall operate off of two (2) AA batteries; alkaline or NiMH. The receiver shall incorporate automatic battery charging circuitry for recharging of NiMH batteries. The device shall have a switchable option for the use of alkaline or NiMH batteries.