Listen LKR-12

ListenTALK Basic Receiver (includes: Li-ion battery, lanyard, ear speaker)


In Stock
SKU: LKR-12 Category: Tag:


The LKR-12 ListenTALK Receiver Basic is a one-way device designed for those participants that only need to listen to ListenTALK group conversations.

The LKR-12 is equipped with Listen Technologies ergonomic design, encryption technology for added security, and easy to use volume control.

ListenTALK Receiver Basic is the simplest option for one-way communication among groups of two or more people in any environment. In addition to the included Listen Ear Speaker, ListenTALK can be used with standard smartphone earbuds or Listen Technologies headphones.

Both LKR-11 and LKR-12 are designed to work with the LK-1 Transceiver and docking stations can be used by both Transceiver and Receivers.


  • Fast and simple one-way communications
  • Simple up and down volume control
  • Encryption technology for added security
  • Compatible with standard earbuds and Listen Technologies headphones
  • Long-lasting lithium-ion rechargeable batteries
  • Optional Alkaline Battery Compartment



Dimensions (H x W x D) with Belt Clip 10 x 5.4 x 2.4 cm (3.93 x 2.13 W x 0.93 in.)
Unit Dimensions (H x W x D) 10 x 5.4 x 1.6 cm (3.93 x 2.13 W x 0.63 in.)
Unit Weight 79 g (2.79 oz.)
Shipping Weight 206 g (7.20 oz) with 454 g (1.0 lbs.) minimum
Enclosure material PC ABS Plastic
Color Black, Chrome Buttons
Indicators Variable brightness LED- Green/White multifuntion (On, Charge Status, Battery Status)
User Controls Volume up, Volume down, Power/Status
Programming Via software and USB port on unit or via software and USB port on Docking Station
Connections Headset- 3.5mm TRRS, CTIA complaint
USB- Micro USB, Control and Charging
Charger- 4 Contact, Control and Charging


Headphone Output Speaker Load- 16 – 32 ohm load
Max Output Power- 67 mW, 16 ohm load, Threshold of Clipping
System Frequency Response- 40 Hz to 15 kHz +/- 3dB, 22kHz low pass filter
SNR- 70 dB, A- weighted, Threshold of Clipping
THD- 0.5% @ 1kHz, 22kHz low pass enabled


Operating Frequency 1920 to 1930 MHz – North America
1880 to 1900 MHz – Europe, Australia
Typical Range Indoor 100 m, Outdoor 200 m, depending upon conditions – North America
Indoor 150 m, Outdoor 300 m, depending upon conditions – Europe, Australia
Modulation GFSK – FHSS
Security Subscription- 40 bit (Pin Free)
Authentication- 32 bit
Encryption- 64 bit

Power and Battery Management

Battery Type Lithium – ion, rechargeable non-proprietary removable, 1200 mAh
Optional- 3 AAA Battery Compartment
Typical Operating Time Li-ion- Participant- 12 Hours
AAA – Participant Mode – 7 Hours
Typical Charge time 4 Hours
Power Save Modes Power down on loss of signal
Power down on disconnection of headphone (1 min)
Power down on charging


Temperature Operation- -10 °C (14 °F) to 40 °C (+104 °F)
Storage- -20 °C (-4 °F) to 50 °C (+122 °F)
Relative Humidity 0 to 95% relative humidity, non-condensing


Standards FCC part 15, ICS-03, CE, RCM, RoHS, WEEE




Related Products

    • Sale! Listen LA-481 docking station case

      Listen LA481

      LA481, ListenTALK 16 port charging and docking case for ease in transporting.

      (0 reviews)
      $1,419.30 ADD TO CART
    • Sale!

      Listen LA403

      LA403, universal behind the ear stereo headphones. Comfy, convenient.

      (0 reviews)
      $59.40 ADD TO CART
    • Sale!

      Listen LKR-11

      ListenTALK Pro Receiver, OLED (inc: Li-ion battery, lanyard, ear speaker)

      (0 reviews)
      $535.50 ADD TO CART
    • Sale! Listen LA423

      Listen LA423

      LA-423 USB Charger. Easy to simultaneously charge up to (4) Listen products.

      (0 reviews)
      $80.10 ADD TO CART
    • Sale!

      Listen LA404

      LA404, universal single ear bud for those who need the ambient noise.

      (0 reviews)
      $27.00 ADD TO CART
    • Sale! Listen LA402 Universal Stereo Headphones

      Listen LA402

      LA-402 Universal Stereo Headphones. Comfortable fit, great quality.

      (0 reviews)
      $59.40 ADD TO CART
    • Sale!

      Listen LA405

      LA-405 universal Stereo Ear Buds offering outstanding sound quality.

      (0 reviews)
      $30.60 ADD TO CART
    • Sale!

      Listen LA401

      LA-401 comfortable over-the-ear design, universal Ear Speaker

      (0 reviews)
      $41.40 ADD TO CART