Thank you for purchasing AZDEN’S “PERFORMANCE SERIES” wireless system. UHF wireless systems yield a better signal to noise ratio and improved frequency response over VHF systems. The UHF band is less crowded than VHF thus giving you less likelihood of interference. This manual covers the 411UDR and 511DRH receivers and the 51BT, 51XT and 51HT transmitters.

Receiver Descriptions: The 411UDR and 511DRH are crystal controlled, PLL synthesized receivers with 63 on-board user selectable frequencies with a range of 794MHz to approx. 806MHz. They are true diversity, containing two separate receivers, each operating on the same frequency. The transmitter’s output signal is monitored constantly by a diversity circuit, which switches automatically to the receiver with the stronger RF signal. This allows wireless performance that is virtually dropout free, even under the most adverse condi- tions. Both receivers feature a 1/4-inch and XLR output jacks and volume adjustment.

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(1) Power LED and on/off switch (511DRH only)

After plugging in the 511DRH, depress the on/off switch to turn unit on. The 411UDR’s Power LED will illuminate as soon as the unit is plugged in.

(2) Antenna A-B LED’s

When the transmitter is turned on and is in reception range of the receiver, either the A or B LED will light up RED, depending on which receiver circuit is getting the strongest signal from the transmitter. Flickering between the A and B LED is a normal function of the system.

(3) Peak LED

These will flash if the audio component of the incoming signal is approaching distortion. The 511DRH has a 7 segment LED display to show the incoming audio signal from -20 to + 6 dB.

(4) Antennas, antenna connections

On both the 411UDR and 511DRH, position the antennas vertically for best reception. On the 411UDR, when not in use put the antennas in the holder to avoid damage. On the 511DRH the antennas are connector mounted (BNC) so that the supplied antennas can be disconnected and/or removed.

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Azden 511DRH, 51HT, 51XT, 51BT, 411UDR owner manual
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51BT, 51HT, 511DRH, 51XT, 411UDR specifications

Azden is a renowned brand in the world of audio equipment, particularly notable for its advanced wireless microphone systems. Among their offerings, the Azden 51XT, 411UDR, 511DRH, 51HT, and 51BT are prominent models, each designed with unique features and capabilities to cater to various audio production needs.

The Azden 51XT is a compact wireless microphone system that is especially favored for its versatility. It operates in the UHF band, providing a reliable transmission with minimal interference. Its lightweight design makes it ideal for portable applications, while the built-in low-cut filter helps reduce wind noise and unwanted low-frequency sounds, enhancing audio clarity.

The 411UDR model stands out with its robust features, including dual-channel operation, which allows users to connect two microphones simultaneously. This is particularly useful in interviews or panel discussions, where multiple voices need to be captured. Its advanced frequency selection capability helps users avoid crowded channels, ensuring a clear and uninterrupted signal.

Moving to the 511DRH, this wireless system is characterized by its digital transmission technology, offering superior sound quality and extended range. With a quick setup process, users can easily switch between various frequencies, making it suitable for dynamic environments. The 511DRH also features a durable build, with water-resistant components that ensure reliability in various weather conditions.

The 51HT handheld microphone from Azden is designed for vocal clarity and ease of use. It includes an integrated transmitter that simplifies setup, eliminating the need for additional cables. The microphone's frequency response is finely tuned to capture speech, making it an excellent choice for live performances and presentations.

Finally, the 51BT model is particularly unique, as it combines wireless transmission with Bluetooth technology. This feature allows for seamless connectivity with smartphones and other Bluetooth-enabled devices, enabling users to record or stream audio directly. The 51BT is especially popular among content creators and vloggers, thanks to its user-friendly design and high-quality sound performance.

In summary, the Azden 51XT, 411UDR, 511DRH, 51HT, and 51BT wireless microphone systems offer a range of innovative technologies and features tailored for diverse audio applications. Whether for professional use, content creation, or live events, these models deliver exceptional performance and reliability, making Azden a trusted name in the audio industry.
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