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Audio-Technica System 9 Wireless System Frequency-Agile Handheld Transmitter and Mic (ATW-902A)

Precio original $174.95 - Precio original $174.95
Precio original
$174.95 - $174.95
Precio actual $174.95

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Audio-Technica's ATW-902A System 9 is a four-channel frequency-agile wireless system designed to provide rock-solid performance along with easy setup and clear, natural sound quality. Featuring sleek, stackable, contemporary styling, System 9 offers four compatible user-switchable VHF channels (169.505, 170.245, 171.045, and 171.905MHz).


  • 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



  • Overall System Specifications
  • Operating Frequencies: VHF highband, 169MHz - 172MHz
  • Modulation Mode: FM
  • Maximum Deviation: ±10kHz
  • Dynamic Range: ≤90dB (A-weighted), typical
  • Total Harmonic Distortion: <1% (@ 1kHz, ±10kHz deviation)
  • Operating Range: 200ft typical, Open range environment with no interfering signals
  • Operating Temperature Range: 40°F - 110°F, Battery performance may be reduced at very low temperatures
  • Frequency Response: 80Hz - 13kHz
  • Maximum Simultaneous Use (Recommended): 200ft minimum

    Receiver Specifications
  • Receiving System: Non-diversity, single-channel, dual antenna system
  • Image Rejection: 50dB minimum
  • RF Sensitivity: 20dBuV @ 60dB S/N ratio (50Ω termination)
  • Audio Output: Nominal Output Level; XLR, balanced: 350mV (1kHz modulation, 10kHz deviation, 100kΩ load); 1/4", unbalanced: 700mV (1kHz modulation, 10kHz deviation, 100kΩ load)
  • Power Supply: 100 - 240V AC (50/60Hz) to 12V DC .5A (center positive) switched mode external power supply
  • Operating Temperature Range: 40°F - 110°F
  • Dimensions (HxWxD): 1.82" x 7.48" x 5.06"
  • Net Weight: 12.0oz

    Handheld Transmitter Specifications
  • RF Power Output: 10mW
  • Spurious Emissions: Following federal and national regulations
  • Batteries: Two 1.5V AA, not included
  • Battery Life: 8 hours (alkaline), Depending on battery type and use pattern
  • Dimensions: 9.91" long, 2.11" diameter
  • Net Weight: 9.2oz, without batteries


Item Includes:

  • Power supply
  • ATW-R900 Receiver
  • ATW-R900 Handheld Transmitter
  • AT8456a Quiet-Flex stand clamp



  • 2 Year Limited End-User

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