Sony UTX-M40/K21

Properties:

The UTX-M40 is a dynamic digital wireless handheld transmitter of the UWP-D series and has a unidirectional polar pattern. It is compatible with the WL-800, UWP and UWP-D series and is equipped with an interchangeable microphone head. The microphone is either powered by AA / LR6 batteries or USB-C.

• High sound quality thanks to digital audio processing
• IR synchronisation with URX-P03, URX-P03D and URX-S03D receivers
• Interchangeable head for a wide range of microphone capsules
• Volume control in automatic gain mode
• +15 dB gain-volume boost mode for audio without microphone
• Compatible with Sony WL-800/UWP/UWP-D Series

Technical Specifications:

• Display: OLED
• Oszillator Type: Quartz-controlled PLL synthesiser
• Antenna Type: Wire antenna with 1/4 λ wavelength
• Capsule Type: Dynamic
• Pattern: Unidirectional
• Frequency Range: 470.025 MHz to 542.000 MHz (UHF TV channels 21 to 29)
• Reference Audio Input Level: -55 dBV (gain mode to NORMAL, 0 dB damping)
• Maximum Audio Input Level: 151 dB SPL (21 dB damping, when using the supplied microphone unit)
• Audio Damping Adjustment Range: 0 - 21 dB (in steps of 3 dB)
• Frequency Response: 70 - 18 kHz (typisch)
• Signal-to-Noise Ratio: 60 dB (-60 dBV, 1 kHz sine wave input), 102 dB (gain mode set to AUTO GAIN, max. deviation, A-weighted), 96 dB (gain mode set to NORMAL, max. deviation, A-weighted)
• Distortion: max. 0.9 % (-60 dBV, input 1 kHz)
• Audio Delay: approx. 0.35 ms
• Tone Signal Frequency: 32.382 kHz (UWP-D compander mode), 32 kHz (UWP compander mode), 32.768 kHz (WL800 compander mode)

General Product Information:

• Dimensions (Diameter x Length): 48 x 258 mm
• Weight: approx. 250 g (without batteries)
• Operating Temperature: 0° to +50° C
• Storage Temperature: -20° to +55° C
• Operating Voltage: 3 V DC (via two AA / LR6 batteries) / 5 V DC (via USB-C)
• Battery Runtime: approx. 8 hours (output power of 30 mW)