UB-222

Relacart UB-222 - wireless boundary microphone, WAM-432 series

Relacart UB-222 is a professional wireless boundary microphone designed for conference, educational, and AV systems where convenience, aesthetics, and high audio quality are essential. Its compact form, cardioid pickup pattern (120°), and adjustable sensitivity make it ideal for meeting rooms, classrooms, and multipurpose spaces.

Operating in the UHF band (521-937 MHz), the UB-222 uses FM modulation and PLL technology to ensure stable, interference-resistant transmission. The built-in low-cut filter reduces unwanted low-frequency noise, and the AA battery power supply provides up to 9 hours of operation without the need for cabling.

Functionality:

• wireless UHF transmission in the 521-937 MHz range
• FM modulation and PLL technology - stable, interference-free signal
• cardioid pickup pattern - 120° voice capture angle
• low-cut filter - reduces rumble below 200 Hz
• sensitivity adjustment - from -10 dB to +10 dB
• frequency response: 50 Hz - 17 kHz
• dynamic range >95 dB - clear, articulate sound
• up to 9 hours of operation on two AA batteries

Features:

• boundary microphone for conference and educational use
• compact housing - easy integration into tabletop setups
• clean, professional design - suitable for institutional interiors
• high build quality - durable and reliable
• dimensions: 110 x 40 x 110 mm
• weight: approx. 505 g (without batteries)

Relacart UB-222 is a cost-effective yet professional solution for conference rooms, classrooms, libraries, government offices, and multipurpose spaces where speech clarity, mobility, and installation aesthetics matter.