- 169 to 172 MHz, 4 Selectable Channels
- 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
- Power/Mute Button on Transmitter
- Includes Quiet-Flex Stand Clamp
Audio-Technica ATW-902A Overview
The Audio-Technica ATW-902A System 9 VHF Wireless Handheld Microphone System is designed for live sound reinforcement applications. The system consists of a wireless VHF receiver and a wireless VHF handheld microphone transmitter. The receiver utilizes two dipole antennas for extended range, and allows you to select your VHF transmission frequency from 169 to 172 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 handheld microphone transmitter is powered by two AA batteries and includes a battery status LED indicator, channel selection DIP switches, and a power/mute button.
Audio-Technica ATW-902A Specs
| Type | VHF High Band |
| Operating Frequencies | 169 to 172 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′ (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 Hz to 13 kHz |
| 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-kOhm load) Unbalanced 1/4″ (6.3 mm): 700 mV (1 kHz modulation, 10 kHz deviation, 100-kOhm load) |
| Power Supply | 100 to 240 VAC (50/60 Hz) to 12 VDC at 0.5A (center positive) switched mode external power supply |
| Dimensions | 7.5 x 1.8 x 5.1″ / 190 x 46.2 x 129 mm |
| Weight | 12.0 oz / 337 g |
| RF Power Output | 10 mW |
| Spurious Emission | Following federal and national regulations |
| Batteries | 2 x 1.5 V AA (not included) |
| Battery Life | 8 hours (alkaline), depending on battery type and use pattern |
| Dimensions | 9.9 x 2.1″ / 251.8 x 53.5 mm |
| Weight | 9.2 oz / 260 g (without batteries) |
| Package Weight | 2.935 lb |
| Box Dimensions (LxWxH) | 13.85 x 10.75 x 4.55″ |
UPC 4961310141202
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