Listen LK-1

ListenTALK Transceiver (includes: Li-ion battery, lanyard and ear speaker)

Original price was: $886.00.Current price is: $753.10.

In Stock
SKU: LK-1 Category: Tag:


The Listen LK-1 is a simple and smart two way communication system found in one device. The new standard in two way communication with the capability of one to one, one to many and two to many portable communications. Ideal for facility and leisure tours, production intercom, assistive listening, training, language interpretation and translation, sports intercom and training or any situation where clear crisp communication and collaboration is required.

The Listen Technologies LK-1 transceiver? utilizes Listen Technologies proprietary encryption technology to ensure security, and provides easy-to-use, push-to-talk implementation in the field for simple coordination and communication among two or more collaborators in any scenario.

User controls such as volume up, volume down, talk, power/status, and pairing help you in tailoring the unit to your particular, moment-to-moment needs. Though the unit can be used with a Listen Technologies headset or standard smartphone earbuds the LK-1 comes with an LA-401 Universal Ear Speaker, as well as a lanyard (useful for on-the-go scenarios), and an LA-365 rechargeable lithium-ion battery. The LK-1 is fully compliant with ADA standards for assistive listening.

With the Listen LK-1 you can choose between listen mode (great for tour groups or seminars) Respond Mode (where participants can listen and respond to leaders only) or Discussion Mode (where participants can listen and respond to leader and group). Creating a group is simple and pairing the leader or leaders (max 2) to the participant units is as simple as touching them back to back or you can pair devices with the push of a button when using the optional docking station.



  • Fast and simple two-way communication
  • Push-to-talk functionality
  • Exclusive encryption technology for added security
  • Compatible with standard earbuds and Listen Technologies headsets
  • Long-lasting lithium ion rechargeable batteries
  • Optional Alkaline Battery Compartment


Operating Frequency 1920 to 1930 MHz
Power 4 mW, average
Typical Range Indoor: 328′ / 100 m, depending upon condition
Outdoor: 656′ / 200 m, depending upon conditions
Security Subscription: 40-bit (pin free)
Authentication: 32-bit
Encryption: 64-bit
Headphone Output
Impedance 16 to 32 Ohms
Max Output Power 67 mW, 16 Ohm load (threshold of clipping)
Features Side-tone adjustable
Compatibility Electret, external bias
Power 3 V, 2 mA current maximum
Sensitivity -28 to -50 dBV/Pa
Internal Microphone Switching: Auto detect on jack insertion or manual
Maximum Input Level: 109 dB SPL
Gain: Adjustable with 30 dB range
Frequency Response 40 Hz to 15 kHz, ±3 dB, 22 kHz low-pass filter
Signal to Noise Ratio 70 dB, A-weighted (threshold of clipping)
Total Harmonic Distortion 0.5% at 1 kHz, 22 kHz low-pass enabled
Programming Via software and USB port on unit or via software and USB port on docking station
Enclosure Material PC ABS plastic
Indicators 64 x 128 OLED display, variable brightness
Red/white multi-function LED (mute, charge status)
User Controls Volume up, volume down, talk, power/status, talk modes, pairing
Connections 1 x 3.5 mm TRRS headset output, CTIA compliant
1 x micro-USB port for control and charging
1 x 4-contact charger port
Battery Type Lithium-ion rechargeable, removable, 1200 mAh
3 x AAA battery compartment (optional)
Operating Time Li-ion: 12 hours for participant, 8 hours for leader (typical)
AAA: 9 hours for participant, 6 hours for leader (typical)
Charging Time 2.5 to 3 hours (typical)
Power Save Mode Power down on loss of signal
Power down on disconnection of headset (1 min)
Power down on charging
Compliance Pending (FCC part 15, ICS-03, CE, RCM, RoHS, WEEE)
Temperature Operational: 14 to 104°F / -10 to 40°C
Storage: -4 to 122°F / -20 to 50°C
Relative Humidity 0 to 95% relative humidity, non-condensing
Dimensions (H x W x D) 3.9 x 2.1 x 0.9″ / 10 x 5.4 x 2.4 cm (with belt clip)
3.9 x 2.1 x 0.6″ / 10 x 5.4 x 1.6 cm (without belt clip)




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