---
product_id: 373939847
title: "Williams AV DLT 400 Digi-Wave 400 Digital Wireless Listening System Transceiver, Guided Tours, Language Interpretation, Intercom, Hearing Assistance, Up to 900 ft (274 m) Range"
brand: "williams av"
price: "154570 kr"
currency: ISK
in_stock: true
category: "Williams Av"
url: https://www.desertcart.is/products/373939847-williams-av-dlt-400-digi-wave-400-digital-wireless-listening
store_origin: IS
region: Iceland
---

# 900 ft wireless range 16 hrs battery life 87+128 bit encryption Williams AV DLT 400 Digi-Wave 400 Digital Wireless Listening System Transceiver, Guided Tours, Language Interpretation, Intercom, Hearing Assistance, Up to 900 ft (274 m) Range

**Brand:** williams av
**Price:** 154570 kr
**Availability:** ✅ In Stock

## Summary

> 🎤 Elevate every conversation—wireless freedom meets pro-grade clarity!

## Quick Answers

- **What is this?** Williams AV DLT 400 Digi-Wave 400 Digital Wireless Listening System Transceiver, Guided Tours, Language Interpretation, Intercom, Hearing Assistance, Up to 900 ft (274 m) Range by williams av
- **How much does it cost?** 154570 kr with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.is](https://www.desertcart.is/products/373939847-williams-av-dlt-400-digi-wave-400-digital-wireless-listening)

## Best For

- williams av enthusiasts

## Why This Product

- Trusted williams av brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **All-Day Power:** Up to 16 hours of rechargeable battery life keeps your event running smoothly.
- • **Seamless 900 ft Range:** Stay connected across large venues without dropouts or interference.
- • **Multi-Channel Intercom:** Up to 6 simultaneous speakers for dynamic, real-time communication.
- • **Crystal Clear Audio with Security:** Premium 73 dB SNR and advanced encryption protect your conversations.
- • **Versatile Language Interpretation:** Transmit multiple languages effortlessly to engage diverse audiences.

## Overview

The Williams AV DLT 400 Digi-Wave 400 is a professional-grade digital wireless listening system designed for guided tours, language interpretation, intercom, and hearing assistance. Featuring a robust 900 ft range, up to 16 hours of rechargeable battery life, and secure 87+128 bit encryption, it supports multi-channel communication with crystal-clear audio quality. Its OLED display, USB-C charging, and versatile connectivity make it the go-to solution for seamless, high-fidelity wireless communication in professional environments.

## Description

Williams AV DLT 400 Digi-Wave 400 Digital Wireless Listening System Transceiver, Guided Tours, Language Interpretation, Intercom, Hearing Assistance, Up to 900 ft (274 m) Range Key Features - Guided Tours – with one or more tour guides (2-way), with audience participation (2-way), or without audience participation (1-way) - Language Interpretation – one or more interpreted languages transmitted to audience (1-way) - Intercom – with up to six people able to speak simultaneously, and even more listening - Hearing Assistance – featuring boosted audio for improved comprehension - Has an internal rechargeable battery and includes the charging pack DW ACC PAC4 Specifications - Battery type: Lithium Polymer with smart charge built into transceiver; 1800 mAH - Battery life: Up to 16 hrs talk time - 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 – 7,200Hz, Other Modes: 100 – 11,500Hz - SNR: 73 dB - THD: 0.1 % (Default Volume, 1kHz) - Microphone input: Internal microphone 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) - Modulation: FSK - RF Output: 19 dBm Typical - Security: 87 bit encryption, 87+128 bit Encryption, Encrpytion PIN, Lock for settings - Indicators: OLED - Charging Connectors: USB-C - Operating Tempurature Range: 14º to 113ºF - Dimensions: 4.22"W x 2.60"H x 0.50"D - Weight: 3.3 oz

## Features

- Guided Tours – with one or more tour guides (2-way), with audience participation (2-way), or without audience participation (1-way)
- Language Interpretation – one or more interpreted languages transmitted to audience (1-way)
- Intercom – with up to six people able to speak simultaneously, and even more listening
- Hearing Assistance – featuring boosted audio for improved comprehension
- Has an internal rechargeable battery and includes the charging pack DW ACC PAC4

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B083C5XDDZ |
| Additional Features | Rechargeable |
| Best Sellers Rank | #124,054 in Musical Instruments ( See Top 100 in Musical Instruments ) #744 in Wireless Microphone Transmitters & Receivers #10,202 in Microphone Accessories |
| Brand | Williams AV |
| Color | Black/Silver |
| Compatible Devices | Headphone, Smartphone |
| Connectivity Technology | USB |
| Customer Reviews | 5.0 out of 5 stars 1 Review |
| Display Technology | OLED |
| Display Type | dlr |
| Frequency | 2402 MHz |
| Hardware Interface | 3.5mm Audio, USB Type C |
| Item Dimensions L x W x H | 0.5"L x 4.22"W x 2.6"H |
| Item Height | 2.6 inches |
| Item Weight | 0.26 Kilograms |
| Manufacturer | Williams AV |
| Model Number | DLT 400 |
| Power Source | Battery Powered |
| Product Dimensions | 0.5"L x 4.22"W x 2.6"H |
| Radio Bands Supported | FM |
| Special Feature | Rechargeable |
| Tuner Technology | FM |
| Tuner Type | FM |
| Unit Count | 1.0 Count |

## Product Details

- **Brand:** Williams AV
- **Color:** Black/Silver
- **Special Feature:** Rechargeable
- **Connectivity Technology:** USB
- **Product Dimensions:** 0.5"L x 4.22"W x 2.6"H
- **Tuner Technology:** FM
- **Power Source:** Battery Powered
- **Radio Bands Supported:** FM
- **Included Components:** Power Cord
- **Item Weight:** 0.26 Kilograms

## Images

![Williams AV DLT 400 Digi-Wave 400 Digital Wireless Listening System Transceiver, Guided Tours, Language Interpretation, Intercom, Hearing Assistance, Up to 900 ft (274 m) Range - Image 1](https://m.media-amazon.com/images/I/51I8ympYUBL.jpg)

## Frequently Bought Together

- Williams AV DLT 400 Digi-Wave 400 Digital Wireless Listening System Transceiver, Guided Tours, Language Interpretation, Intercom, Hearing Assistance, Up to 900 ft (274 m) Range
- Williams AV DLR 400 RCH Digi-Wave 400 Digital Wireless Listening System Receiver(Rechargeable Version), Black, 2.4GHz (ISM Band) Frequency Band, Up to 900ft (274m) Range

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*Product available on Desertcart Iceland*
*Store origin: IS*
*Last updated: 2026-03-07*