Digi-Wave 400 Receiver (Alkaline Batteries)


The Digi-Wave™ system is a digital spread-spectrum (DSS) wireless listening system. The receiver uses a frequency-hopping algorithm to avoid interference and provide a secure method of communication. The Digi-Wave 400 receiver allows users to listen to users with a Digi-Wave transceiver wirelessly in a variety of scenarios.

Great for use during training, presentations, and tours, especially in houses of worship, classrooms, and healthcare facilities.

To download firmware updates for your Digi-Wave product, please contact TechBlue.

NOTE: DLR 400 ALK units are not compatible with the special AIM features.



A Digi-Wave system consists of at least one transceiver (DLT 400) and various combinations of transceivers and receivers (DLR 400 RCH or DLR 400 ALK). Combinations of one or more DLT’s and DLR’s can be used to facilitate different events, depending on what needs to be spoken and what needs to be heard. Typical scenarios include:

  • Guided Tours – with one or more tour guides (2-way), with audience participation (2-way), or without audience participation (1-way)
  • Language Interpretation – one or more interpreted languages transmitted to audience (1-way)
  • Intercom – with up to six people able to speak simultaneously, and even more listening
  • Hearing Assistance – featuring boosted audio for improved comprehension


Dimensions: 2.36″ W x 3.54″ H x 0.63″ D
(60 mm x 90 mm x 16 mm)
Weight: 1.7 oz. (47 g) without batteries.
Frequency Band: 2.4 GHz (ISM band)
Modulation: FSK
Case Material: Black ABS Plastic
Battery Type: 2 x AAA Alkaline Batteries
Battery Life: Alkaline Disposable (BAT 010-2): Up to 30 hrs
Power Save: Auto Sleep Mode after 5 minutes of no RF signal from compatible devices
Audio Frequency Response:
(-3dB level)
Intercom Mode: 100 – 7,300 Hz
Interpretation and other modes: 100-11,200 Hz
SNR: 74 dB (A-weighted)
THD: 0.1% (typical)
Antenna: Internal
Range: Up to 900 ft (274 m) (depending upon environmental conditions)
Headphone Audio Output: 3.5 mm TRRS jack with mono output for headphones, earphones, or neckloop
27 mW maximum @32 ohms
Display: LCD shows status: Battery Level, RSSI, Group/Channel #
Temp. Range: 14° – 113°F (-10° to 45°C)
Compatible Units DLT 400, DLT 300
Approvals: FCC, Industry Canada, RoHS 3, CE, WEEE, RCM, ANATEL, KC, Giteki
Warranty: 2-year warranty against component failure and manufacturing defects. See Full Warranty on the website for details

NOTE: DLR 400 ALK units are not compatible with the special AIM features.


2 Years

No Firmware Found

Design & Consultant Specs