Lectrosonics R400A-21 Digital Hybrid Wireless® Diversity Receiver - BLK 21

Introducing the Lectrosonics R400A-21 Digital Hybrid Wireless® Diversity Receiver
The Lectrosonics R400A-21 is a premium UHF receiver employing advanced triple-conversion, frequency-synthesized technology, ensuring a high-performance audio experience. Fully compatible with all Lectrosonics 400 series transmitters and several analog models, this receiver is equipped with a DSP (digital signal processor) that substantially reduces distortion and enhances the signal-to-noise ratio. Its unique ability to operate without a compandor ensures exceptional audio quality in its native hybrid mode and offers additional compatibility modes for Lectrosonics 100 and 200 series analog transmitters.

User-Friendly Operation and Display
Designed for ease of use, the R400A-21 features a robust, menu-driven LCD graphic display controlled via a push-button and a dual-function rotary encoder. This setup provides real-time monitoring of critical metrics such as pilot tone, diversity antenna activity, RF and audio levels, and more. Changes to settings can be easily made using the menu interface, making this receiver not only powerful but also intuitive for users at all levels.

Optimal Frequency Selection with SmartTune™
Finding the right frequency is a breeze with the R400A-21’s SmartTune technology for automatic frequency selection. This feature, along with a built-in RF spectrum analyzer, assists in conducting thorough site surveys to locate interference-free frequencies efficiently. The analyzer evaluates the RF landscape across 256 frequencies, highlighting areas with minimal RF activity for optimal performance.

Cutting-Edge Audio Processing Technologies
The receiver leverages state-of-the-art DSP algorithms to deliver audio output of unmatched clarity. Technologies such as SmartSquelch™ and SmartDiversity™ enhance audio reception by managing noise and ensuring signal stability. These innovations collectively contribute to a receiver that consistently delivers clear, reliable audio under various conditions.

Flexible Audio Output Options
To accommodate diverse audio setups, the R400A-21 includes independent balanced XLR and unbalanced 1/4-inch outputs. These options provide flexibility for integrating the receiver into different professional audio environments, ensuring high-quality sound transmission whether in studio recordings or live performances.