The Lectrosonics SMQV is a professional Super Miniature belt-pack wireless transmitter renowned for its exceptional audio quality, robust RF performance, and compact, durable design. It is a staple in broadcast, film, and television production for discreetly transmitting lavalier microphone signals from talent to a receiver. The transmitter utilizes Lectrosonics' proprietary digital hybrid wireless technology, which combines the audio fidelity and dynamic range of digital transmission with the long-range and interference rejection of analog FM, resulting in clear, clean audio even in challenging RF environments. Its compact form factor is engineered to be easily concealed under clothing, while its metal housing provides durability and effective shielding against RF interference.

The SMQV offers extensive programmability and flexibility, featuring user-selectable frequency blocks that allow it to be tuned across a wide spectrum to find clear channels in crowded wireless environments. It supports both wideband and narrowband modulation modes, enabling operators to optimize between audio quality and spectrum efficiency depending on the application. The transmitter includes sophisticated features such as audio companding for increased dynamic range, adjustable RF power output for managing battery life and transmission distance, and a backlit LCD screen that displays critical information like frequency, battery level, and audio levels. It is compatible with a wide range of lavalier microphones via its 3.5mm TA5F mini-connector, which provides power and audio interface.

Built for reliability in field production, the SMQV operates on a single AA battery, offering extended run times, and includes comprehensive battery monitoring. Its rugged construction is designed to withstand the physical demands of daily professional use. The combination of broadcast-quality audio, intelligent frequency management, and a robust, miniaturized package makes the Lectrosonics SMQV a trusted tool for sound engineers and mixers who require dependable, high-performance wireless audio transmission for critical applications.