DWS INT 3 400 ALK digiwave interpretation system

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Digi-Wave 400 Interpretation System | 20-Person Alkaline Kit

SKU: DWS INT 3 400 ALK

The 20-person Digi-Wave 400 interpretation system delivers clear, interference-free communication for multilingual events. With two DLT 400 transceivers for presenters and twenty DLR 400 ALK receivers for listeners, it’s ideal for seminars, conferences, and multilingual gatherings.

Designed for performance and portability, the system ensures seamless communication across languages using secure 2.4 GHz digital transmission. Lightweight and battery-powered, it’s perfect for organizations that need flexible setup and reliable audio anywhere.

$8,085.00

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The 20-Person Digi-Wave 400 Series Interpretation System enables effortless communication between presenters, interpreters, and audiences. It supports two presenters and up to twenty listeners, making it ideal for multilingual events where clarity and precision matter most.

This wireless system includes DLT 400 transceivers and DLR 400 ALK receivers, powered by AAA batteries for all-day operation. Each presenter uses a MIC 144 headset microphone for crisp sound, while participants enjoy immersive audio through EAR 022 earphones.

A CHG 404 DW four-slot charging bay keeps devices ready, and the included carry case and silicone skins enhance protection and transportability, making this interpretation system a dependable choice for professional use.

The 20-Person Digi-Wave 400 interpretation system provides secure, high-quality communication for multilingual conferences, corporate events, and seminars. Its lightweight, battery-powered design allows easy deployment anywhere, with no base station required.

Included in this system:

(2) DLT 400 transceivers for presenters and interpreters
(20) DLR 400 ALK receivers for listeners
(2) MIC 144 headset microphones for clear speech delivery
(20) EAR 022 earphones for immersive listening
(1) CHG 404 DW four-slot charger for powering devices
(20) BAT 010-2 AAA alkaline batteries
(1) CCS 042 DW durable carry case for transport
(1) black silicone skin (CCS 061 BK) and (1) grey skin (CCS 061 GR)

Performance highlights:

Range up to 900 ft (274 m) with interference-free transmission
Up to 30 hours of battery life on standard AAA batteries
100 – 11,500 Hz audio response for clear, natural sound
Dual 128 + 87-bit encryption for secure communication
Compact, portable design. Ideal for fast, flexible setup

With professional sound quality and easy operation, the Digi-Wave 400 interpretation system ensures every participant hears every word clearly, no matter the language or setting.

Alkaline, 1.5 Volt

CHG 404

Dimensions:	6”L x 5”W x 3”H (15.6 cm x 12.7 cm x 7.85 cm
Weight:	0.70 lbs (0.3 kg)
Color:	Black and clear plastic
Power Input:	AC 100-220V 50/60Hz 0.5A (max)
Power Output:	DC 5.0V 1.1A per bay (22W max)
Unit Capacity:	4 Units
Indicators:	Individual Charging Indicators: Blue LEDs light up dividing clear panels
Compatible Units:	CHG 404 WF: WF R1 CHG 404 DW: DLT 400, DLR 400 RCH(Appropriate USB cables can be used with any CHG 404. See Note.)
Warranty:	1 year (90 day warranty on cables and power supply)
Approvals:	WEEE, RoHS, CE, FCC, IC
Notes:	Accepts USB type A plugs, with a USB-C or with a micro-B plug that can connect to the device to be charged.

DLR 400 ALK

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.

DLT 400

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.

EAR 022

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

Warranty

2 Years

Customized Requests

Your event, your way. Submit your customized requests for interpreting equipment, and let our expert team craft a solution that perfectly aligns with your event vision.

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Digi-Wave 400 Interpretation System | 20-Person Alkaline Kit

CHG 404

DLR 400 ALK

DLT 400

EAR 022

Warranty

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