The 20-person Digi-Wave 400 tour guide system delivers clear, secure, and reliable audio communication for groups of up to 20 guests. Designed for professional tour environments, it combines advanced frequency-hopping technology with a simple wireless setup, ensuring uninterrupted connection in any venue.
Its lightweight, portable design makes it ideal for museum tours, historical sites, corporate visits, and educational programs where effective communication is essential.
$7,020.00
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The Digi-Wave 400 Tour Guide System (Alkaline) is a professional wireless solution that lets one guide communicate easily with groups of up to 20 participants. The system includes one DLT 400 transceiver for the guide and twenty DLR 400 ALK receivers for guests, ensuring clear, interference-free communication.
Equipped with a MIC 144 headset microphone, guides enjoy hands-free comfort, while listeners experience crisp sound through EAR 022 surround earphones. Each receiver operates on AAA alkaline batteries, offering long-lasting performance for multi-day tours.
With secure digital transmission, portable design, and an included carry case, this system provides exceptional reliability and flexibility for any group tour environment.
The 20-Person Digi-Wave 400 tour guide system combines digital precision, durable design, and long battery life, perfect for professional tours of any scale. Its alkaline-powered setup ensures consistent operation with no charging downtime.
Included in this system:
Performance highlights:
Whether used for museum tours, factory visits, or historical excursions, this Digi-Wave 400 tour guide system ensures every guest stays informed and connected.
| Power | |
| Battery Type | Alkaline, 1.5 Volt |
| CCS 056 26 | |
| 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) |
| 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 × AAA Alkaline Batteries |
| Battery Life | Up to 30 hrs (Alkaline BAT 010-2) |
| Power Save | Auto Sleep Mode after 5 minutes of no RF signal |
| Audio Frequency Response (-3dB) |
Intercom Mode: 100 – 7,300 Hz Interpretation & Other Modes: 100 – 11,200 Hz |
| SNR | 74 dB (A-weighted) |
| THD | 0.1% (typical) |
| Antenna | Internal |
| Range | Up to 900 ft (274 m) |
| Headphone Output | 3.5 mm TRRS jack, mono output, 27 mW max @ 32 Ω |
| Display | LCD showing Battery Level, RSSI, Group / Channel |
| Operating Temperature | 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 |
| NOTE: DLR 400 ALK units are not compatible with 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, 1800 mAh |
| Battery Life | Up to 16 hrs talk time per charge |
| Power Save | Auto Sleep Mode after 5 minutes |
| Charge Time | ~5 hours |
| Operating Frequencies | 2.4 GHz ISM band (2402–2476 MHz FHSS) |
| Audio Frequency Response |
Interpretation, Tour, Hearing Assist (≤4 mics): 100 – 11,500 Hz Other Modes: 100 – 7,200 Hz |
| SNR | 73 dB (A-weighted) |
| THD | 0.1% |
| Microphone Input | Internal + 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 |
| Range | Up to 900 ft (274 m) |
| RF Output | 19 dBm Max |
| Security | 87-bit / 128-bit encryption, PIN, settings lock |
| Compatible Receivers | DLR 400 RCH, DLR 400 ALK, DLT 300*, DLR 360* |
| Operating Temperature | 14º to 113ºF (-10º to 45ºC) |
| Warranty | 2 years (1 year on internal battery) |
| EAR 022 | |
| Style | Around-ear speaker |
| Plug | 3.5 mm mono |
| Cord | 39” |
| Driver Size | 23 mm |
| Nominal Impedance | 32 Ω |
| Frequency Response | 20 – 20 kHz |
| Weight | 15 g |
| Max Power Input | 30 mW |
| Sensitivity | 118 dB @ 1 kHz |
| Warranty | |
| 2 Years | |
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A tour guide system allows guides to communicate clearly with large groups through wireless receivers and headsets, ensuring every participant hears instructions and commentary with minimal background noise.
The configuration in this tour guide system supports one guide and up to twenty listeners, providing smooth, one-way communication that’s perfect for guided tours, educational trips, and corporate events.
Each DLR 400 ALK receiver operates for up to 30 hours on two AAA alkaline batteries, offering long-lasting performance ideal for daily or multi-day tours without recharging.
The Digi-Wave 400 tour guide system uses 2.4 GHz frequency-hopping spread spectrum technology to eliminate interference, delivering consistent, secure audio quality even in crowded or noisy areas.
Yes. The Digi-Wave 400 provides a reliable 900-foot (274-meter) range, maintaining strong signal and clarity during outdoor excursions or open-space events.
Yes. You can combine DLR 400 ALK receivers with DLR 400 RCH rechargeable models for a mixed setup if needed. Both versions work seamlessly with the DLT 400 transceiver.
The package for this tour guide system includes a transceiver, 20 receivers, headsets, earphones, alkaline batteries, power supply, carry case, and protective silicone skin, everything needed for professional, portable group communication.
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