This product is discontinued and the information here is only for reference. It has been replaced by the LS-54-072

Professional RF System (72 MHz) (Discontinued)


The LS-23 Professional RF System delivers the clear listening experience your customers deserve. It overcomes the frustrating and common hearing challenges caused by distance, background noise or poor room acoustics and accomplishes this while delivering 20 dB less hiss than other brands. In addition, the LS-23 Professional RF System ensures that your facility meets the requirements of the 2010 Americans with Disabilities Act (ADA) standards for accessible design.

Venues need solutions that aren’t intimidated by size and the LS-23 confidently provides the premium coverage they desire with an operating range of up to 1,500 ft. (457.2 m). That’s 30% superior coverage than other brands! The LS-23 comes complete and ready for professional installation. Expandable to satisfy as many listeners as desired and easily customized if additional parts are needed, the Listen LS-23 is the professional choice for a great listening experience and easy installation with the inclusion of all the ‘pro’ pieces needed.
See Architectural & Engineering Specs

This product is available through authorized resellers.

Request Quote


One (1) LT-800-072-01 Stationary RF Transmitter (72 MHz)
One (1) LA-122 Universal Antenna Kit
One (1) LA-326 Universal Rack Mounting Kit
Four 4) LR-300-072 Portable Display RF Receiver (72 MHz)
Four (4) LA-161 Single Ear Bud
Two (2) LA-166 Neck Loop
Four (4) LA-361 High Capacity AA Alkaline Batteries (2)
One (1) LPT-A107-B Dual RCA to Dual RCA Cable 6.6 ft. (2 m)
One (1) Assistive Listening Notification Signage Kit


  • Complete system – ready for professional installation in any venue
  • Universal installation kits – include everything to do the job – in any configuration
  • Superior audio quality – 80 dB, setting the industry’s sound quality standard
  • 100% Digital – Listen receivers are digitally-tuned so the transmission won’t drift
  • Long transmission range ensures coverage for the entire venue
  • Limited Lifetime Warranty – buy with confidence

Also Needed



Shipping Weight20.0 lbs (9.0 kg)




+What is the range of the LT-800-216 MHz transmitter?

Line of site up to 914 m (3,000 ft.) with 216 MHz.

+What are the ADA changes related to assistive listening systems?

Simply put, any public assembly area where audible communication is integral to the use of the space, an assistive listening system shall be provided. The assistive listening receivers need to comply with the following table below. For full details visit:

+How many receivers can I have on a system?

As many as you want. The transmitter simply transmits a signal and you can have as many receivers pick that signal up as necessary. It's like a radio station transmitting and the receivers are the radios tuning into the "channel".