The 6-Person Digi-Wave 400 Wireless Intercom System delivers clear, secure, two-way communication for up to six participants. Designed for team coordination and group communication, it ensures effortless interaction in tours, events, and on-site meetings.
Compact and portable, it combines simplicity with robust performance, providing professional-grade communication wherever clarity and reliability are essential.
$4,770.00
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The Digi-Wave 400 Wireless Intercom System offers a dependable communication setup for small teams and professional groups. Powered by 2.4 GHz digital frequency-hopping spread spectrum (FHSS) technology, it eliminates interference while maintaining a secure and consistent signal, even in busy wireless environments.
The system includes six DLT 400 digital transceivers and six MIC 144 headset microphones, enabling all participants to speak and listen simultaneously. Each unit is designed for comfort and efficiency, ensuring natural two-way communication throughout long sessions.
A CCS 056 DW 11 system carrying case adds portability and protection for transport, while a set of one grey silicone skin (CCS 061 GR) and five black silicone skins (CCS 061 BK) help safeguard devices from wear. Ideal for live events, guided tours, and business meetings, this system delivers the reliability professionals expect from Williams Sound.
The 6-Person Digi-Wave 400 Wireless Intercom System is an all-in-one solution designed for small-group communication and live coordination. It combines secure digital audio with portability and simple operation for professional environments.
Included in this system:
Performance highlights
With its sturdy design, secure connection, and long battery performance, the Digi-Wave 400 Wireless Intercom System ensures efficient, interruption-free communication for teams in motion.
| Carry Case | |
| 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) |
| 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; 1800 mAh |
| Battery Life | Up to 16 hrs talk time per charge |
| Power Save | Auto Sleep Mode after 5 minutes of no RF signal |
| Charge Time | ~5 hours |
| 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) | Interpretation / Tour / Hearing Assist (≤4 mics): 100 – 11,500 Hz Other Modes: 100 – 7,200 Hz |
| SNR | 73 dB (A-weighted) |
| THD | 0.1% (Default Volume, 1 kHz) |
| Microphone Input | Internal mic + 3.5 mm mic input (63 dB adjustable gain) |
| Line Input | USB-C, adjustable level |
| Headphone Output | 3.5 mm TRRS; 25 mW @ 32 Ω |
| Audio Output | Headphone: Max SSPL 90 — 111.8 dB (EAR 013), 116.8 dB (EAR 041) Line: USB-C, adjustable level |
| Range | Up to 900 ft (274 m) |
| Modulation | FSK |
| RF Output | 19 dBm Max |
| Security | 87-bit / 128-bit encryption, PIN, settings lock |
| Side Tone | -6 dB below volume; Off / Low / High |
| Indicators | OLED display |
| LEDs | Red LED around Talk button; Bi-color top LED |
| Charging Connectors | USB-C; two contacts for CHG 412 |
| Compatible Receivers | DLR 400 RCH, DLR 400 ALK, DLT 300, DLR 360 (some limitations) |
| Operating Temperature Range | 14º – 113ºF (-10º – 45ºC) |
| Approvals | FCC, Industry Canada, CE, RoHS 3, WEEE, RCM, ANATEL, KC, Giteki |
| Warranty | |
| 2 Years | |
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This 6-person system supports up to six simultaneous talkers, allowing all participants to speak and listen freely for natural, two-way team communication.
Yes. The Digi-Wave 400 intercom system delivers high-quality, secure communication ideal for tours, business meetings, stage coordination, or event management in professional settings.
The system operates with dual 128 + 87-bit encryption, ensuring privacy and preventing interference from nearby wireless devices or unauthorized access.
Yes. You can add additional DLT 400 transceivers or pair multiple Digi-Wave systems to support larger groups without affecting clarity or connection quality.
Setup for this wireless intercom system typically takes under five minutes. Power on the units, pair them via group sync, and you’re ready to communicate. No cables or configuration are required.
Each DLT 400 transceiver provides up to 16 hours of continuous use, ensuring dependable operation through long events or multi-shift workdays.
The Digi-Wave 400 intercom system is ideal for tour guides, production teams, facility managers, and business groups that require secure, real-time communication without bulky equipment or interference.
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