---
product_id: 307389600
title: "D Debra Audio AU400 PRO UHF 4 Channel Wireless Microphone System,Cordless Handheld Dynamic Karaoke Mic with Receiver for Singing,Wedding,DJ,Party,Speech,Church"
brand: "d debra"
price: "$619"
currency: NZD
in_stock: true
url: https://www.desertcart.nz/products/307389600-d-debra-audio-au400-pro-uhf-4-channel-wireless-microphone
store_origin: NZ
region: New Zealand
---

# Global standard frequency compatibility Cordless handheld dynamic mic for clear vocals 4 UHF channels for interference-free sound D Debra Audio AU400 PRO UHF 4 Channel Wireless Microphone System,Cordless Handheld Dynamic Karaoke Mic with Receiver for Singing,Wedding,DJ,Party,Speech,Church

**Brand:** d debra
**Price:** $619
**Availability:** ✅ In Stock

## Summary

> 🎤 Own the stage, anywhere, anytime with crystal-clear wireless freedom!

## Quick Answers

- **What is this?** D Debra Audio AU400 PRO UHF 4 Channel Wireless Microphone System,Cordless Handheld Dynamic Karaoke Mic with Receiver for Singing,Wedding,DJ,Party,Speech,Church by d debra
- **How much does it cost?** $619 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.nz](https://www.desertcart.nz/products/307389600-d-debra-audio-au400-pro-uhf-4-channel-wireless-microphone)

## Best For

- d debra enthusiasts

## Why This Product

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

## Key Features

- • **Versatile Event Ready:** Ideal for weddings, DJ sets, church services, conferences, and intimate parties—your all-in-one wireless audio solution.
- • **Dynamic Cordless Freedom:** Experience unrestricted movement with a cordless handheld mic designed for crystal-clear karaoke, speeches, and live events.
- • **Advanced Noise Suppression:** Built-in squelch circuit minimizes digital interference from CDs, DVDs, and other devices, ensuring pure sound clarity.
- • **Global Frequency Compatibility:** Works worldwide with international standard frequencies—perfect for jet-setting pros and event planners.
- • **Seamless 4-Channel UHF Operation:** Switch effortlessly between 4 distinct frequencies to avoid interference and keep your performance flawless.

## Overview

The Audio AU400 PRO is a professional-grade UHF 4-channel wireless microphone system featuring global frequency compatibility and advanced noise suppression technology. Designed for dynamic cordless use, it delivers interference-free, high-quality sound ideal for weddings, DJ events, karaoke nights, speeches, and church services.

## Description

Sponsored Ad – D Debra Audio AU400 PRO UHF 4 Channel Wireless Microphone System,Cordless Handheld Dynamic Karaoke Mic with Receiver for Singing,Wedding,DJ,Party,Speech,Church

## Features

- Audio AU400 4 channel wireless microphone system.(Two set freuqncy point: A- 501/511.5/524/538.5 B-506/517.5/531/546.5)
- There series products adopt UHF frequency and use the international standard common frequency which can be used in all over the world.
- Due to the low frequency and many reasons, traditional wireless microphone usually disturbed by many factors especially by the variety of harmonic which send off by the CD/DVD/VCD/LD and other any digital equipments.
- Squelch circuit usually analysis the intensity of the RF frequency channel instead of the noise and the needed signal. Using the low traditional wireless microphone in the complex environment or when the signal of the microphone is week or the microphone is closured, the squelch circuit many suddenly opened which result the receiver send out a strong burst of noise.
- It ideal for church, small DJ KJ stage, birthday wedding or family party, conference, classrooms, small karaoke night etc.

## Product Details

- **Recommended uses for product:** Karaoke, Singing, Video Conference
- **Brand:** D Debra
- **Model name:** M027
- **Connectivity technology:** UHF, XLR
- **Connector type:** 6.35 mm Jack, XLR
- **Special feature:** Mute Function, Volume Control
- **Compatible devices:** Amplifier, Audio Interface, Audio Mixer, Karaoke Machine, Speaker
- **Colour:** Black
- **Included components:** 6.35MM audio cable X 1, Handhele microphone X 4, Manual X 1, Power supply X 1, Wireless recener X 1
- **Polar pattern:** Unidirectional

## Images

![D Debra Audio AU400 PRO UHF 4 Channel Wireless Microphone System,Cordless Handheld Dynamic Karaoke Mic with Receiver for Singing,Wedding,DJ,Party,Speech,Church - Image 1](https://m.media-amazon.com/images/I/61vgIykUPDL.jpg)

## Questions & Answers

**Q: what is the size of the head of the microphone**
A: It is  4cm*5cm*5.5cm

**Q: Do I need to purchase speakers separately or these microphones do not need speakers? Thanks!**
A: You will need a four channel mixer if you want to control them individually and speakers

**Q: is this uhf frequency legal to use in the UK**
A: Only with a license, otherwise no. The license-free frequencies in the UK for UHF are 863-865MHz only, and for VHF 173.8 - 175MHz. The seller's response is deliberately misleading. Use without a license is illegal and subject to hefty fines.

## Frequently Bought Together

- D Debra Audio AU400 PRO UHF 4 Channel Wireless Microphone System,Cordless Handheld Dynamic Karaoke Mic with Receiver for Singing,Wedding,DJ,Party,Speech,Church
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**Shop now:** [https://www.desertcart.nz/products/307389600-d-debra-audio-au400-pro-uhf-4-channel-wireless-microphone](https://www.desertcart.nz/products/307389600-d-debra-audio-au400-pro-uhf-4-channel-wireless-microphone)

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*Product available on Desertcart New Zealand*
*Store origin: NZ*
*Last updated: 2026-02-23*