Audio Ltd. MiniTX Transmitter and DX Receiver System with VT500 Mic (542 to 572 MHz)

Audio Ltd. MiniTX Transmitter and DX Receiver System with VT500 Mic (542 to 572 MHz)

Audio Ltd. MiniTX Transmitter and DX Receiver System with VT500 Mic (542 to 572 MHz)

B&H # AUS463454F25 MFR # S463454/F2/5
Important Notice: This item is non-cancelable and non-returnable
Special Order
Expected availability: 7-14 business days 
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Not eligible for Free Expedited Shipping

Product Highlights

  • 542 to 572 MHz
  • True Diversity Receiver
  • Compact Transmitter Size is Easy To Hide
  • Control Transmitter with SwitchiR Remote
  • Receiver Organic LED Display
  • RF Spectrum Analyzer
  • Includes VT500 Lavalier Microphone
  • Shockproof Molded Microphone Housing
  • Low Handling Noise Flexible Cable
  • Speech-Enhanced Frequency Response Boost
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  • 1Description

The Audio Ltd. MiniTX Transmitter and DX Receiver System with VT500 Mic (542 to 572 MHz) is designed for wireless audio transmission in live sound, recording, stage, and broadcast applications. The system consists of a MiniTX wireless transmitter, a DX true diversity wireless receiver, a Voice Technologies VT500 lavalier microphone, and a variety of accessories.

The transmitter is designed to be compact so that it is easy to conceal on the person you are recording. You adjust the settings on the transmitter using a key ring SwitchiR infrared remote control with LCD display, four buttons, and easy to navigate menus. You can control off/on, frequency check, frequency change, user identities, and battery status.

The receiver features an organic LED display and an easy to navigate tree of menus for controlling the unit. You adjust the settings using a push wheel on the top of the receiver. Among the settings you can adjust, the receiver allows you to scan the RF spectrum for available frequency channels or scan for a specific wireless transmitter. You can also display an RF frequency analyzer for observing spectrum traffic in your area.

The receiver offers true diversity reception, whereby two antennas are connected to two receiving circuits within the unit, and can automatically switch to whichever antenna is receiving a better signal without audible interruption. The receiver can be powered by battery or by 6 to 18 VDC from an external source. You can connect the receiver to a sound mixer or directly to a video camera.

The system comes included with a Voice Technologies VT500 lavalier microphone. The microphone features an electret condenser element, molded shockproof housing, and flexible cable to minimize handling noise. To improve intelligibility, the microphone features a slight frequency response boost in the range of human speech.

Infra-Red Transmitter Remote Control
You can control the transmitter wirelessly using a key ring SwitchiR infra-red remote control
True Diversity Receiver
The receiver offers true diversity reception, whereby two antennas are connected to two receivers within the unit, and can automatically switch to whichever antenna is receiving a better signal without audible interruption
RF Spectrum Analyzer
The receiver features an RF spectrum analyzer which allows you to see radio traffic and available bandwidth within your area
Shockproof Molded Microphone Housing
To limit ambient noise, the VT500 microphone comes enclosed within a molded shockproof microphone housing
Low Handling Noise Flexible Cable
The VT500 lavalier microphone is attached to a flexible low handling noise cable
Speech-Enhanced Frequency Response Boost
To improve speech intelligibility, the microphone features a slight boost in the frequency response within the range of human speech
System
Transmission Frequency 542 to 572 MHz
Transmitter
Switching Bandwidth Up to 40 MHz in 25 kHz steps
Frequency Presets Up to 10 Frequency Tables
32 factory pre-set frequencies in each table
Modulation Mode Wideband FM
Frequency Stability ±0.002%
Frequency Response 50 to 18,000 Hz
Signal to Noise Ratio >100dB (±45 kHz deviation)
Total Harmonic Distortion <0.3% typical
Output Power 25 mW nominal (50 mW option available)
Gain Control 0 to 30 dB in 8 steps
Low Cut Filters 2 settings; flat, 80 Hz
Input Connector Lemo 4-pin locking (3-pin option available)
Control Infra-red key-fob remote
Battery Type 2 x 1.5 V Alkaline LR3 AAA size
Supply Voltage 6 to 18 VDC (80 mA at 12 V)
Operating Temperature -4° to 131° F (-20º to +55º C)
Dimensions (W x H x D) 1.89" x 3.23 x 0.65" (48.0 x 82.0 x 16.5 mm)
Weight 3.4 oz (98 g)
Remote Controls
Type Infra-red
Buttons 4
Display LCD
Battery 6V (PX28L or equivalent)
Dimensions (L x W x D) 2.4 x 1.2 x 0.5" (60 x 30 x 12 mm)
Weight 1.1 oz (30 g)
Receiver
Switching Bandwidth Up to 40 MHz in 25 kHz steps
Number of Channels 1
Receiver Type True diversity
Frequency Presets 1 Frequency tables
32 factory pre-set frequencies
32 user-selectable frequencies (selectable in 25 kHz steps)
Scan Modes Scan for free channel
Scan for transmitter
Modulation Mode Wideband FM
Frequency Stability ±0.002%
Sensitivity -98 dBm (2.8 uV) for >40 dB SINAD
Image Rejection >80 dB
Frequency Response 50 to 18 kHz
Signal to Noise Ratio >100 dB (±45 kHz deviation)
Total Harmonic Distortion <0.3% typical
Output Voltage 0 dBV typical (±45 kHz deviation, 1 kHz)
Output Attenuation 0 dB, -12 dB, -24 dB, -36 dB (selectable)
Headphone Output 30 mW
Output Connector Binder 7-pin screw-locking
Display OLED blue, 128 x 32 pixels
Control 3-position navigation switch
Battery Type 1 x 1.5 V Alkaline LR6 AA size
Battery Life 2 to 3 hours depending on battery type
Audio Ltd recommend use of NiMh
Supply Voltage 6 to 18 VDC (180 mA at 12 V)
Operating Temperature Range -4° to 131° F (-20º to +55º C)
Dimensions (W x H x D) 2.48 x 3.23 x 0.79" (63.0 x 82.0 x 20.0 mm)
Weight 4.16 oz (118 g)
Microphone
Element Electret condenser
Frequency Range 40 to 20,000 Hz
Sensitivity -59 dB (re 1 Volt/microbar)
Noise Level 26 dB (A-weighted)
Maximum SPL 118 dB
Impedance 3 kΩ
Bias Voltage(s) 1.3V (0.9-20V)
Current Drain 25 μA
Cable Length 59" (1.5 m)
Cable Diameter 0.06" (1.50 mm)
Dimensions (L x W x D) 0.5 x 0.3 x 0.14" (13 x 7.0 x 3.5 mm)
Weight 0.2 oz (7.0 g)
Packaging Info
Package Weight 8.0 lb
Box Dimensions (LxWxH) 15.0 x 9.0 x 3.0"

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