The Digi-Wave 400 Rechargeable Receiver offers clear, interference-free digital audio reception for professional and assistive listening applications. Designed for use with Digi-Wave 400 Transceivers, it ensures secure communication across various environments, from classrooms to conferences.
Compact and rechargeable, this receiver provides a simple, portable solution for interpretation, guided tours, and hearing assistance programs where reliability and clarity are essential.
$335.00
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The Williams Sound Digi-Wave 400 Rechargeable Receiver delivers crystal-clear audio using advanced frequency-hopping spread spectrum (FHSS) technology. It operates within the secure 2.4 GHz band to prevent interference and maintain consistent, private transmission.
Each receiver includes an internal rechargeable battery, offering up to 16 hours of use per charge. It easily pairs with Digi-Wave 400 transceivers, supporting one-way or two-way listening configurations depending on the communication setup.
Perfect for training sessions, presentations, and multilingual events, the DLR 400 RCH ensures every participant receives accurate and uninterrupted sound, ideal for both large venues and personal listening.
The DLR 400 RCH is a digital, rechargeable receiver built for seamless, secure, and high-quality audio performance. Its compact design, strong encryption, and reliable battery life make it an industry favorite for assistive listening and interpretation.
Included in this system:
Performance highlights:
The Digi-Wave 400 Rechargeable Receiver ensures consistent, high-fidelity audio in any environment, ideal for professionals who need portable, secure, and dependable communication performance.
| Dimensions | 4.22″W x 2.60″H x 0.50″D (107.3 mm x 66 mm x 12.6 mm) |
| Weight | 3.3 oz (94 g) including battery |
| Color | Black |
| Battery type | Lithium Polymer with smart charge built into transceiver; 1800 mAH |
| Battery life | Up to 32 hrs per charge @ 1ch Rx |
| Power Save | Auto Sleep Mode after 5 minutes of no RF signal from compatible devices |
| Charge time | 5 hrs. approx. |
| System Voltage | OLED 14VDC; RF 5VDC; Logic 3.3 VDC |
| Operating frequencies | 2.4 GHz (ISM band); 2402 – 2476 MHz FHSS |
| Audio Frequency response (-3dB Level) |
Intercom Mode: 100 – 7,200 Hz Other Modes: 100 – 11,500 Hz |
| SNR | 73 dB (A-weighted) |
| THD | 0.1 % (Default Volume, 1kHz) |
| Headphone Output | 3.5 mm TRRS headphone jack; 25 mW, R32 Ω |
| Line Audio Output | USB-C, Adjustable Level |
| Range | Up to 900 ft (274 m) (depending upon environmental conditions) |
| Modulation | FSK |
| RF Sensitivity | -92 dBm |
| Security | 87-bit encryption (300 Series Compatible), 87+128 bit Encryption, Encryption PIN, Lock for settings |
| Indicators | OLED |
| LEDs | Bi-color, changing green and red LED at top |
| Charging Connectors | USB-C; Two contacts for use with CHG 412 |
| Compatible Units | DLT 400, DLT 300 with some limitations |
| Operating Tempurature Range | 14º to 113ºF (-10º to 45ºC) |
| Approvals | FCC, Industry Canada, CE, RoHS 3, WEEE, RCM, ANATEL, KC, Giteki |
| Warranty | 2-year warranty against component failure and manufacturing defects; 1 year on internal battery |
Williams Sound | Intercom Systems
$6,795.00
Williams Sound | Intercom Systems
$275.00
Williams Sound | Accessories
$100.00
Williams Sound | Assistive Listening Systems
$1,210.00
Yes. It pairs with Digi-Wave 300 transceivers for basic one-way listening, but full two-way communication and encryption features are available only when connected to Digi-Wave 400 series devices.
The internal lithium-polymer battery provides up to 16 hours of continuous operation. Charging takes about four hours using the supplied single-unit charger or a compatible multi-bay charging station.
Yes. The receiver has a standard 3.5 mm audio jack that supports most mono or stereo earphones, neck loops, and hearing-aid telecoils for assisted-listening use.
There’s no fixed limit. A single transceiver can broadcast to hundreds of receivers simultaneously, making it ideal for tours, presentations, and multi-language interpretation setups.
Absolutely. The receiver uses 128 + 87-bit encryption with frequency-hopping spread spectrum (FHSS) to ensure every channel remains private and interference-free.
The receiver supports one-way listening by default. For two-way conversation, users must add Digi-Wave 400 transceivers, which can both send and receive audio simultaneously.
Keep the device charged when not in use, avoid extreme heat or moisture, and clean the headphone jack regularly. Periodic full discharges help preserve battery performance.
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