Shure - AD2 BETA58 K55

The Shure AD2 BETA58 K55 is a handheld transmitter designed for professionals requiring secure, high-quality digital transmission on the K55 frequency band (606/694 MHz). Featuring the BETA58 capsule, this transmitter offers an audio frequency response of 50 Hz to 16 kHz which allows precise sound pickup with a supercardioid polar pattern for optimal source isolation and feedback reduction. Its robust metal construction makes it resistant to intensive use and its backlit LCD screen simplifies navigation through menus and settings.

The Shure AD2 BETA58 allows you to choose between standard transmission mode for optimal coverage and high density mode which maximizes the number of available channels while maintaining reliable coverage. With a battery life of up to 11 hours using a rechargeable lithium-ion battery or 8 hours using AA batteries, this transmitter ensures consistent performance even over long periods and the external charging contacts make it easy to recharge the battery via compatible docking stations.

In terms of RF performance, the AD2 BETA58 offers wide bandwidth up to 184 MHz for a stable signal even in congested RF environments. It has advanced features such as interference detection and IR link synchronization for simplified system configuration and management. The transmission power is adjustable between 2 mW, 10 mW and 35 mW, allowing it to be adapted to the specific needs of each application.

AES-256 encryption ensures secure transmissions, and with latency less than 3 milliseconds in standard or high-density mode, Shure's AD2 BETA58 ensures fast, consistent audio transmission ideal for live performances. The AD2 transmitters are compatible with the Shure AD4D and AD4Q receivers, creating a high-quality wireless transmission system that has already proven itself numerous times in large-scale events, concerts, outdoor performances, plays theaters or musicals.