Audio-Technica ATW-T901a System 9 Frequency-Agile VHF Bodypack Transmitter

Key Features 4 Selectable VHF Channels Durable Construction Offers Rock-Solid Performance 200' Operating Range Requires Lavalier or Headset Mic The ATW-T901a System 9 Frequency-Agile VHF Bodypack Transmitter from Audio Technica is a single-channel transmitter, although it is a frequency agile system, which means you can select any one of the four frequencies (169.505, 170.245, 171.045, and 171.905 MHz) and use up to four System 9 wireless systems at the same time, if each system is set to a different frequency. The ATW-T901a bodypack transmitter can be used when paired with an optional System 9 receiver and a 4-pin lavalier microphone, headset microphone, or AT-GcW guitar/instrument input cable (sold separately) to capture audio for presentation, ENG, and sound reinforcement applications. Easy operation and clear, natural sound quality 4 selectable frequency-coordinated VHF channels Reliable performance and durable construction Overall System Type VHF high band Operating Frequencies 169.505, 170.245, 171.045, and 171.905 MHz Modulation Mode FM Maximum Deviation ±10 kHz Dynamic Range ≥90 dB (A-weighted), typical Total Harmonic Distortion (THD) <1% (at 1 kHz, ±10 kHz deviation) Operating Range 200' / 60 m typical, 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 Hz to 13 kHz Bodypack Transmitter RF Power Output 10 mW Spurious Emissions Following federal and national regulations Input Connections Four-pin locking connectorPin 1: GNDPin 2: Instrument inputPin 3: Microphone inputPin 4: DC bias +9 V Batteries 2 x 1.5 V AA Battery Life Alkaline: 8 hours (depending on battery type and use pattern) Dimensions 2.8 x 4.1 x 1.0" / 7.0 x 10.4 x 2.5 cm Weight 2.8 oz / 79.4 g without batteries