Sony UTX-B40 Wireless Bodypack Transmitter

The Sony UTX-B40 is a wireless bodypack transmitter compatible with the URX-P40 camera-mount receiver. Compact and lightweight, with a robust, all-metal construction, this bodypack is well suited for tough operating conditions, while remaining comfortable for the talent to wear. It provides up to 8 hours of operation on two AA batteries, with a selectable 5/30mW RF power output and a transmission range up to 330'.

The UTX-B40 comes with an ECM-V1BMP omnidirectional lavalier microphone optimized for speech. The transmitter has a locking, 3.5mm BMP-type microphone input connector with an adjustable input level to accommodate other compatible lavalier or headset microphones of your choice. The transmitter offers a 72 MHz bandwidth with 2772 selectable UHF frequencies.

The UTX-B40 is backward-compatible with Sony WL-800 and UWP Series systems.


Specs:

Wireless Technology Analog UHF
RF Frequency Band 536 to 542 MHz
RF Bandwidth 72 MHz
Frequency Step Size 25 kHz
RF Channel Scanning Auto-Scan
Max Operating Range 330' / 100.6 m (Typical)
Latency 0.35 ms
Modulation FM
Transmitter
Transmitter Type Bodypack
RF Output Power 5 / 30 mW
Audio I/O 1 x 1/8" / 3.5 mm TRS Female Unbalanced Input (Lockable)
Muting Mute Switch
Audio Input Level +60 dBV (Mic Level)
+4 dBu (Line Level)
Gain Range 0 to 21 dB (3 dB Steps)
Frequency Response 23 Hz to 18 kHz
Sync Method NFC
Antenna 1 x 1/4 Wave External, Fixed
Power Requirements Battery, Bus Power (USB)
Battery Type 2 x AA (Not Included)
Approx. Battery Life 8 Hours (Alkaline)
USB/Lightning Connectivity 1 x USB-C (Bus Power, Charging)
Display & Indicators 1 x OLED (Audio Level, Battery Status, Peak, RF Output Power)
Housing Metal
Operating Temperature 32 to 122°F / 0 to 50°C
Storage Temperature -4 to 131°F / -20 to 55°C
Dimensions 2.5 x 3.2 x 0.8" / 63 x 82 x 20 mm (without Antennas)
Weight 5.3 oz / 149 g (without Batteries)
Microphone
Microphone Type Lavalier
Sound Field Mono
Capsule Electret Condenser
Polar Pattern Omnidirectional
Frequency Range 40 Hz to 20 kHz
Sensitivity -43 dB at 1 kHz
Output Connectors 1 x 1/8" / 3.5 mm TRS Male Unbalanced (Lockable)
Cable Length 3.9' / 1.19 m
Operating Temperature 32 to 122°F / 0 to 50°C
Storage Temperature -4 to 131°F / -20 to 55°C
Length 0.77" / 19.5 mm
Diameter 0.27" / 6.8 mm
Weight 0.57 oz / 16.2 g