The 10-Person Digi-Wave 400 Interpretation System provides clear, wireless audio transmission for one presenter and up to ten listeners. Designed for professional settings, it delivers secure, interference-free communication for multilingual events, seminars, and live conferences.
This portable, alkaline-powered setup combines clarity, comfort, and simplicity, making it a reliable choice for interpretation and guided listening environments.
$4,005.00
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The Digi-Wave 400 Interpretation System is an all-in-one, wireless communication solution for conferences and multilingual events. Built on advanced frequency-hopping spread spectrum (FHSS) digital technology, it ensures clear and uninterrupted transmission, even in crowded signal areas.
This system includes one DLT 400 transceiver for the presenter and ten DLR 400 ALK receivers for listeners. The included MIC 144 headset microphone allows interpreters or presenters to deliver precise, distortion-free audio. Each listener uses an EAR 022 surround earphone for natural, immersive sound quality.
Power is provided by ten BAT 010-2 AAA alkaline batteries, along with a DW ACC PAC4 power supply for the main transceiver. The entire set fits securely in the CCS 056 DW 11 system carrying case for organized transport and storage.
Compact, easy to set up, and dependable, the Digi-Wave 400 Interpretation System ensures clear and efficient communication for multilingual and large-scale events.
The 10-Person Digi-Wave 400 Interpretation System is a complete, portable setup for professional language interpretation. It combines crystal-clear sound quality, durable components, and simple operation to ensure a seamless audio experience for all participants.
Included in this system:
Performance highlights
With its durable construction and proven reliability, the Digi-Wave 400 Interpretation System ensures smooth, secure, and professional communication; ideal for interpreters, presenters, and event organizers alike.
Alkaline, 1.5 Volt
| Interior Dimensions | 13.0” W x 18.0” L x 6.7”H (33 cm W x 46 cm L x 17 cm H) |
| Exterior Dimensions | 15.7” W x 19.7” L x 7.2” H (40 cm W x 50 cm L x 18 cm H) |
| Lid Inner Depth | 1.5” (4 cm) |
| Bottom Inner Depth | 5.2” (13 cm) |
| Approx. weight (empty) | 6.6 lbs (3 kg) |
| Material | Copolymer |
| Minimum Temperature | -40ºF (-40ºC) |
| Maximum Temperature | 160ºF (71.1ºC) |
| 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.
| 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/Silver (Front/Back) |
| Case Material | Black ABS plastic |
| Battery type | Lithium Polymer with smart charge built into transceiver; 1800 mAH |
| Battery life | Up to 16 hrs talk time per charge@ 1ch Tx and 1ch Rx |
| Power Save | Auto Sleep Mode after 5 minutes of no RF signal from compatible devices |
| Charge time | 5 hrs. approx. |
| System Voltages | 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, default Rx volume with mic input ) |
| THD | 0.1 % (Default Volume, 1kHz) |
| Microphone input | Internal microphone (disabled when MIC jack engaged) and 3.5 mm phone jack (sleeve) with electret microphone bias, adjustable gain with 63dB range. |
| Line Input | USB-C, Adjustable level |
| Headphone Output | 3.5 mm TRRS headphone jack; 25 mW, R 32 ohms |
| Audio Output | Headphone: Max SSPL 90 111.8dB (EAR 013), 116.8dB (EAR 041) Line: USB-C, Adjustable level |
| Range | Up to 900 ft (274 m) (depending upon environmental conditions) |
| Modulation | FSK |
| RF Output | 19 dBm Typical |
| Security | 87-bit encryption (300 Series Compatible), 87+128 bit Encryption, Encryption PIN, Lock for settings |
| Side tone | -6 dB below volume, tone variation (Off, Low and High settings available) |
| Indicators | OLED |
| LEDs | Red LED around Talk button when enabled; Bi-color, changing green and red LED at top |
| Charging Connectors | USB-C; Two contacts for use with CHG 412 |
| Compatible Receiver | DLR 400 RCH, DLR 400 ALK, DLT 300 with some limitations and DLR 360 with some limitations |
| Operating Temperature Range | 14º to 113ºF (-10º to 45ºC) |
| Approvals | FCC, Industry Canada, CE, RoHS 3, WEEE, RCM, ANATEL, KC, Giteki |
| Warranty | 2-years warranty against component failure and manufacturing defects. 1 year on the internal battery. See Full Warranty on the website for details. |
| Style | Around-ear speaker |
| Plug | 3.5mm mono |
| Cord | 39″ |
| Driver Size | 23 mm |
| Nominal Impedance | 32Ω |
| Freq. Response | 20 – 20kHz |
| Weight | 15g |
| Max Power Input | 30 mW |
| Sensitivity | 118 dB @ 1kHz |
2 Years
$8,541.00
$1,198.00
This system supports one presenter and up to ten listeners at once. You can expand it by adding more receivers to accommodate larger audiences or more language channels as needed.
The system provides uninterrupted, secure communication between interpreters and listeners. The full-duplex setup ensures real-time translation without delays, making it perfect for multilingual conferences or events.
Each receiver operates for up to 30 hours on two AAA batteries, offering full-day performance for extended conferences or multiple back-to-back sessions before replacements are needed.
Yes. The Digi-Wave 400’s digital FHSS transmission maintains consistent performance in both indoor and outdoor settings, even when surrounded by competing wireless devices.
The system uses dual-layer encryption: 128 + 87-bit to ensure that conversations remain private and interference-free, even in dense wireless environments like convention halls.
The CCS 056 DW 11 case holds the transceiver, receivers, microphones, and earphones neatly organized and protected, making transport and setup simple for professional use.
This model is popular among interpreters, educators, corporate trainers, and event coordinators who require dependable, high-quality sound for simultaneous or guided communication sessions.
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