Audio-Technica System 9 VHF Wireless Unipak System

Audio-Technica System 9 VHF Wireless Unipak System

Audio-Technica System 9 VHF Wireless Unipak System

B&H # AUATW901 MFR # ATW-901
Audio-Technica System 9 VHF Wireless Unipak System

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Product Highlights

  • 169.505, 170.245, 171.045, 171.905 MHz
  • Dipole Antenna for Extended Range
  • Channel, RF, and AF Peak Indicator LEDs
  • Balanced XLR and Unbalanced 1/4" Outputs
  • Squelch Control
  • Volume Control
  • Cord Hook To Prevent Accidental Pull-Out
  • Channel Selector Switches
  • Instrument and Microphone Trim Control
  • Professional Locking Bodypack Connector
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You Pay: $149.95

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  • 1Description

The Audio-Technica System 9 VHF Wireless Unipak System is designed for live sound reinforcement applications. The system consists of a wireless VHF receiver, a bodypack transmitter, and your choice to add a wireless microphone or instrument cable to complete the system. The receiver utilizes two dipole antennas for extended range, and allows you to select your VHF transmission frequency from 169.505, 170.245, 171.045, or 171.905 MHz. The receiver includes LED indicator lights for channel, RF, and AF peak. The back of the receiver includes a volume control knob, a squelch control knob, a balanced XLR audio output, and an unbalanced 1/4" audio output. The receiver also includes a power cord hook to prevent accidental pull-out of the DC power supply.

The bodypack transmitter is powered by two AA batteries and includes variable microphone and instrument trim, channel selection DIP switches, a Power/Mute button, and a Unipak input connector.

Four Selectable VHF Transmission Frequencies
Select from 169.505, 170.245, 171.045, 171.905 MHz
Dipole Antenna for Extended Range
The receiver utilizes two antennas to improve the range of the system
Squelch Control
The receiver features a squelch adjustment knob that controls the threshold for the radio signal that regulates audio output. If the radio signal from the microphone drops below the threshold, the squelch control mutes the audio output to prevent the transmission of radio interference and white noise from entering the speakers
In the Box
Audio-Technica System 9 VHF Wireless Unipak System
  • Option to Select a Wireless Essentials Microphone or Cable to Complete the System
  • Power Supply
  • Limited 2-Year Warranty
  • Table of Contents
    • 1Description
    Overall System
    Type VHF High Band
    Operating Frequencies 169.505, 170.245, 171.045, 171.905 MHz
    Modulation Mode FM
    Maximum Deviation ±10 kHz
    Dynamic Range ≥90 dB (A-weighted), typical
    Operating Range 200' (61.0 m), open range environment with no interfering signals
    Operating Temperature Range 40 to 110° F (4 to 43° C), battery performance may be reduced at very low temperatures
    Frequency Response 80 to 13,000 Hz
    Receiver Specifications
    Receiving System Non-diversity, single-channel, dual-antenna system
    Image Rejection 50 dB minimum
    Audio Output Nominal Output Level
    Balanced XLR: 350 mV (1 kHz modulation, 10 kHz deviation, 100 kΩ load)
    Unbalanced 1/4" (6.3 mm): 700 mV (1 kHz modulation, 10 kHz deviation, 100 kΩ load)
    Power Supply 100 to 240 VAC (50/60 Hz) to 12 VDC at 0.5A (center positive) switched mode external power supply
    Dimensions (W x H x D) 7.48 x 1.82 x 5.06" (190 x 46.2 x 129 mm)
    Weight 12.0 oz (337 g)
    Bodypack Transmitter
    RF Power Output High: 10 mW
    Spurious Emission Following federal and national regulations
    Input Connections Four-pin, Locking Connector
    Pin 1: GND
    Pin 2: INST INPUT
    Pin 3: MIC INPUT
    Pin 4: DC BIAS +9V
    Batteries Two 1.5V AA (not included)
    Current Consumption 8 hours (alkaline), depending on battery type and use pattern
    Dimensions (W x H x D) 2.76 x 4.08 x 0.98" (70.2 x 104 x 24.9 mm)
    Weight 2.8 oz (79 g) (without batteries)
    Packaging Info
    Package Weight 2.6 lb
    Box Dimensions (LxWxH) 13.7 x 10.67 x 4.02"

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