Audio-Technica System 9 VHF Wireless Handheld Microphone System, 169 to 172MHz

SKU: ATATW902A MFR: ATW-902A
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Key Features

  • Experience clear sound with this Audio-Technica wireless microphone system, perfect for vocals.
  • Enjoy freedom on stage; the handheld microphone offers a 200' operating range for performances.
  • This VHF wireless microphone system operates on specific frequencies for reliable, interference-free audio.
  • Get 8 hours of battery life with this wireless microphone, ensuring it lasts through any event.
  • Ideal for small venues, this microphone system delivers high-quality audio at an affordable price.
  • The durable handheld microphone is built to withstand frequent use, providing long-lasting reliability.
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Special Order?Estimated to Ship: 09/10/2025
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Audio-Technica System 9 Specifications

Overall System

Overall System

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  • Type

    VHF high band

  • Operating Frequencies

    169.505, 170.245, 171.045 and 171.905 MHz

  • Modulation Mode

    FM

  • Maximum Deviation

    +/-10kHz

  • Dynamic Range

    >=90 dB (A-weighted), typical

  • Total Harmonic Distortion (THD)

    <1% (at 1kHz, +/-10kHz deviation)

  • Operating Range

    200' (60m) typical, open range environment with no interfering signals

  • Operating Temperature Range

    40 to 110 deg. F (4 to 43 deg. C), battery performance may be reduced at very low temperatures

  • Frequency Response

    80Hz to 13kHz

Receiver

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  • Receiving System

    Non-diversity, single-channel, dual-antenna system

  • Image Rejection

    50dB minimum

  • Audio Output

    Nominal Output Level
    Balanced XLR: 350 mV (1kHz modulation, 10kHz deviation, 100-kOhms load)
    Unbalanced 1/4" (6.3mm): 700 mV (1kHz modulation, 10kHz deviation, 100-kOhms load)

  • Power Supply

    100 to 240 VAC (50/60Hz) to 12 VDC (center positive) switched mode external power supply

Handheld Transmitter

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  • RF Power Output

    10mW

  • Spurious Emission

    Following federal and national regulations

  • Batteries

    2x 1.5 V AA (not included)

  • Battery Life

    8 hours (alkaline), depending on battery type and use pattern

General

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  • Dimensions

    Receiver (WxHxD): 7.5 x 1.8 x 5.1" (19.05 x 4.57 x 12.95cm)
    Handheld Transmitter (LxDia.): 9.9 x 2.1" (25.15 x 5.33cm)

  • Weight

    Receiver: 12.0 oz (340.19g)
    Handheld Transmitter: 9.2 oz (260.82g) (without batteries)

  • UPC Code

    4961310141202

About Audio-Technica System 9

You can elevate your audio experience with the Audio-Technica System 9 VHF Wireless Handheld Microphone System, a meticulously engineered solution designed to deliver unwavering performance, effortless setup, and crystal-clear sound quality. This system embodies contemporary aesthetics with its sleek, stackable design, making it a visually appealing addition to any setup.

Crafted for versatility, the System 9 is available in various configurations to suit your needs, including handheld, headworn, guitar, lavalier, and body-pack options. It operates on four user-switchable VHF channels (169.505, 170.245, 171.045, and 171.905 MHz), ensuring compatibility and flexibility for a multitude of environments and applications.

Each System 9 package comes complete with the ATW-R900a receiver, paired with your choice of either a body-pack transmitter or a robust handheld microphone/transmitter. The ATW-R900a receiver is a non-diversity, single-channel unit equipped with an advanced dipole antenna design. This innovative feature significantly extends the operating range by incorporating a ground element to complement the standard signal element, thus enhancing overall performance reliability.

Additionally, the ATW-R900a receiver is designed with user convenience in mind, offering a volume control knob for precise audio adjustments. It also boasts AF Peak, RF, and Power indicator lights, providing visual feedback that ensures you're always in control of your audio output.

Whether you're captivating an audience at a live concert, engaging participants in a conference, or delivering a performance in a theater production, the Audio-Technica System 9 VHF Wireless Handheld Microphone System stands as a durable, high-quality, portable, and reliable choice. Its 169-172 MHz frequency range is specifically chosen to cater to clear communication needs, making it a top selection for professionals seeking a wireless microphone system from a reputable brand known for excellence in audio technology.

Audio-Technica System 9 Features

  • Easy operation and clear, natural sound quality
  • 4 selectable frequency-coordinated VHF channels
  • Balanced XLR and unbalanced 1/4" output jacks enable use with a wide variety of audio gear
  • Reliable performance and durable construction
  • Advanced dipole antenna system for extended operating range

Warranty Information

This product has a limited warranty of 24 months.

Product Documents

User Manual

Key Features

  • Experience clear sound with this Audio-Technica wireless microphone system, perfect for vocals.
  • Enjoy freedom on stage; the handheld microphone offers a 200' operating range for performances.
  • This VHF wireless microphone system operates on specific frequencies for reliable, interference-free audio.
  • Get 8 hours of battery life with this wireless microphone, ensuring it lasts through any event.
  • Ideal for small venues, this microphone system delivers high-quality audio at an affordable price.
  • The durable handheld microphone is built to withstand frequent use, providing long-lasting reliability.

What's in the box:

  • Audio-Technica VHF Receiver
  • VHF Handheld Microphone Transmitter
  • AT8456a Quiet-Flex Mic Stand Clamp
  • Power Supply
  • Audio-Technica 2 Year Limited Warranty