Available here as the Xvive U7 set, with a clamp that attaches easily to your instrument's bell, this Xvive wireless system includes a tiny transmitter unit with an ultra-high-quality supercardioid microphone on a flexible gooseneck.

This wireless microphone is suitable for tenor, soprano, baritone and alto saxophones, trumpet, trombone and other brass instruments, acoustic guitars, violin and viola. With a superior dynamic range and an SPL of 142 dB, this mic can bring more clarity and detail to your live performance. Going wireless doesn't mean you have to sacrifice sound quality!
 
Features:
- 2.4 GHz wireless band, approved for worldwide use
- Less than 5 ms latency
- Simultaneous broadcast on 6 channels
- Broad 20 Hz - 20 kHz frequency response (Dependent on microphone type or input signal)
- Wireless range of up to 90 feet (27 m)
- 5 hours of battery life (rechargeable battery in both Transmitter and Receiver)
- High resolution 24-bit / 48 kHz audio
- Dynamic range: 108 dB
- Signal-to-noise ratio: 108 dB
- 142 dB SPL high-quality supercardioid microphone