
AU400-PRO Comparison
| photo | price | summary | rating |
|---|---|---|---|
![]() | $72.74 | Condition is Open box, D Debra Audio AU400 Pro UHF 4 Channel Wireless Microphone System with Cordless H, FREE SHIPPING | ![]() |
![]() | $85.00 | Top Pick! Condition is Open box, D Debra Audio AU400 Pro UHF 4 Channel Wireless Microphone System (B), shipping cost = $14.95 | 96.4% |
![]() | $120.00 | Condition is Open box, D Debra Audio AU400 Pro UHF 4 Channel Wireless Microphone System with Cordless H, shipping cost = $6.37 | 100.0% |
| photo | price | summary | rating |
|---|---|---|---|
![]() | $92.87 | Condition is New, D Debra Audio AU400 Pro UHF 4 Channel Wireless Microphone System with Cordless H, FREE SHIPPING | 99.6% |
![]() | $72.76 | Condition is New, D Debra Audio AU400 Pro UHF 4 Channel Wireless Microphone System, shipping cost = $30.08 | 100.0% |
![]() | $100.00 | Condition is New, D Debra Audio AU400 Pro UHF 4 Channel Wireless Microphone System with Cordless H, shipping cost = $9.14 | 99.7% |
![]() | $123.99 | Condition is New, D Debra Audio AU400 Pro UHF 4 Channel Wireless Microphone System with Cordless, FREE SHIPPING | 99.8% |
![]() | $196.47 | Condition is New, D Debra Audio AU400 Pro UHF 4 Channel Wireless Microphone System with Cordless H, FREE SHIPPING | 99.7% |
![]() | $198.10 | Top Pick! Condition is New, D Debra Audio AU400 Pro UHF 4 Channel Wireless Microphone System with Cordless H, FREE SHIPPING | 99.9% |
![]() | $203.18 | Condition is New, D Debra Audio AU400 Pro UHF 4 Channel Wireless Microphone with 4 Bodypack (B) , FREE SHIPPING | 99.2% |
![]() | $206.62 | Condition is New, D Debra Audio AU400 Pro UHF 4 Channel Wireless Microphone with 4 Bodypack (B) , FREE SHIPPING | 99.0% |
![]() | $216.60 | Top Pick! Condition is New, D Debra Audio AU400 Pro UHF 4 Channel Wireless Microphone System with Cordles..., FREE SHIPPING | 99.2% |
| photo | price | summary | rating |
|---|---|---|---|
![]() | $111.91 | Condition is Used, D Debra Audio AU400 Pro UHF 4 Channel Wireless Microphone System with Cordless 1, FREE SHIPPING | ![]() |

Introducing the Debra AU400-PRO UHF Channel Wireless Microphone System, a high-performance and versatile solution for all your wireless microphone needs. This system is perfect for various applications, including live events, broadcasting, filmmaking, and podcasting.
The AU400-PRO comprises a transmitter, a receiver, and an omnidirectional lavalier microphone, all designed to deliver crystal-clear audio, free from interferences and dropouts. It operates on UHF frequency, ensuring a robust and stable connection between the transmitter and receiver, even in crowded radio frequency environments.
The transmitter, featuring an ergonomic design and an intuitive LCD display, allows for easy access to various settings such as channel selection, grouping, and battery indication. It can be powered by two AA batteries, providing up to 12 hours of continuous usage. The transmitter also comes with a threaded shoe mount, enabling the attachment of various accessories like furry windshields or directional microphones.
The receiver, with an elegant design and a large, clear LCD screen, offers an intuitive user interface with various features such as channel scanning, grouping, and a low battery indicator. It can be mounted on a tabletop or a rack using the integrated stand or the 5/8" and 3/8" threaded mounts. The receiver boasts an XLR output for easy integration into mixing consoles and recording devices.
The included omnidirectional lavalier microphone features a rugged design, a windscreen, and a 3.5mm connector for easy connection to the transmitter. Its omnidirectional polar pattern captures sound from all directions, making it suitable for various recording scenarios.
The AU400-PRO Wireless Microphone System offers a frequency range of 520-542 MHz, ensuring clear audio transmission and minimal interferences. It features an automatic frequency scanning function, which helps you find the clearest channel for your application. Additionally, it offers an adjustable gain control, enabling you to fine-tune the audio level to perfection.
In conclusion, the Debra AU400-PRO UHF Channel Wireless Microphone System is a reliable and versatile solution for your wireless microphone needs. With its robust build, easy-to-use features, and crystal-clear audio transmission, it is an essential tool for various applications, from live events to podcasting.
The Debra AU400 Pro UHF Channel Wireless Microphone System is a popular choice for those in need of a reliable and high-quality wireless microphone system. Here are some pros and cons to consider before making a purchase:
Pros:1. UHF Technology: The AU400 Pro uses UHF technology which offers better penetration through walls and fewer interference issues compared to VHF systems.
2. Long Battery Life: The system comes with rechargeable batteries that can last up to 8 hours on a single charge, making it ideal for long events or shoots.
3. Easy Setup: The AU400 Pro is known for its simple setup process, with clear indicators for pairing the transmitter and receiver, and easy-to-use controls.
4. Durable Construction: The microphone and transmitter are built with high-quality materials, making them durable and able to withstand rough handling.
5. Versatile: The system can be used for various applications, including live events, film production, interviews, and presentations.
Cons:1. Price: The AU400 Pro is on the higher end of the price spectrum for wireless microphone systems, which may be a deterrent for some buyers.
2. Limited Channel Options: The system only offers a limited number of channels (12), which may not be enough for larger events or productions where multiple systems are needed.
3. Bulky Design: The microphone and transmitter may be considered bulky by some users, which could be a concern for those who need a more discreet solution.
In conclusion, the Debra AU400 Pro UHF Channel Wireless Microphone System offers several advantages, including long battery life, easy setup, durability, and versatility. However, it also comes with some drawbacks, such as a higher price point and limited channel options. Ultimately, if the pros outweigh the cons for your specific needs, then the AU400 Pro could be an excellent investment for your professional audio needs. If you're on a tighter budget or require more channels, there may be other options worth considering.
Details:
Using the low traditional wireless microphone in complex environment or when signal of is week closures, squelch circuit many suddenly opened which result receiver send out a strong burst noise. However, this will not affect the shipping times. Squelch circuit usually analysis the intensity of RF frequency channel instead noise and needed signal. It ideal for church, small DJ J stage, birthday wedding or family party, conference, classrooms, karaoke night etc.
Due to the low frequency and many reasons, traditional wireless microphone usually disturbed by factors especially variety of harmonic which send off CD/DVD/CD/LED other any digital equipment's. Brand new debra audio au400 pro uhf 4 channel wireless microphone system with cordless handheld lavaliere headset mics, metal receiver, ideal for karaoke church party with bodypack b , manufacturer model: channel wireless microphone system. Two set frequency point: a 501/511.5/524/538.5 b-506/517.5/531/546.5.
specifications audioproequip:
- brand: D-debra
- mpn: Au400-pro
- part type: Microphone System
- upc: 782429584148
- color: With 4 Bodypack
- gtin: 00782429584148
general audioproequip:
- category: Musical Instruments > Pro Audio Equipment Parts
returns audioproequip:
- method: money back
- time: 30 days
- policy: returns accepted
- paid by: seller
offer audioproequip:
- started: march 20, 2026
- prices: $72.74–$216.60
- item condition:
- Open box
- New
- Used
- sold #: 10
- availability: in stock
- in stock #: 5
- options: ship-to-home
payments audioproequip:
- wallet: paypal
- credit card: discover
- other
shipping audioproequip:
- class: standard
- service: standard
- type: fixed
- transit: 3-5 days
seller audioproequip:
- # reviews: 10235
- rating: 99.0%
- city: within USA
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