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 |
| RF Power Output | 30 mW / 5 mW |
| Pilot Tone | 32 kHz |
| Audio Input Level |
Mic: -60 dBV @ 0 dB attenuation level Line: +4 dBu |
| Type of Input Connector | 3-pole mini jack |
| Type of Microphone | Mic Not Included |
| Polar Pattern | Not Applicable |
| Interchangeable Mic Heads | Compatible with Sony lavalier and headworn microphones featuring 3.5mm mini connection |
| Frequency Response | 50 Hz to 18 kHz |
| Battery Type/Approx. Life | Two AA-size (LR6) alkaline batteries, up to 10 hrs |
| Mute Switch | No |
| Level Control | Microphone level control |
| Antenna Type | Miniature 1/4 wave length helical antenna |
| Display | LCD display |
| Dimensions (W x H x D) | 2.48 x 0.49 x 0.73" (63 x 12.5 x 18.7 mm) |
| Weight | Approximately: 5.1 oz (145 g) (with batteries) |