The Sony UTX-B2 is a wireless body-pack transmitter for the UWP series wireless microphone system. Users are able to choose from 5mW output, which is suitable for simultaneous multi-channel operation or 30mW output for long distance transmission. The transmitter features selectable RF-output level providing added signal strength at long range. The body-pack transmitter features 188 selectable UHF frequencies and operates up to 10 hours on two-AA size alkaline batteries (10mW output power). An LCD display and a 3.5mm input jack is switchable between mic and line level signals.
| Type of Transmitter | Crystal-Controlled UHF PLL-Synthesized Body Pack Transmitter |
| # Of Channels | 188 |
| Type of Input Connector | Mini Microphone Connector (3.5mm) |
| Type of Microphone | Omnidirectional Lavalier |
| Polar Pattern | Omnidirectional |
| Interchangeable Mic Heads | compatible with Sony lavalier and headworn microphones featuring 3.5mm mini connection |
| Frequency Response | 50Hz to 18kHz |
| Battery Type/Approx. Life | Single AA-Size (LR6) Alkaline Battery, Up to 10 Hours |
| Mute Switch | No |
| Level Control | Microphone level control |
| Antenna Type | Miniature 1/4 Wave Length Helical Antenna |
| Display | LCD Display |
| Dimensions | 2.48 X 0.49 X 0.73" (63 x 12.5 x 18.7mm) WxHxD |
| Weight | Approximately: 5.1 oz. (145 g) (with Battery) |