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Review Summary
Extend coverage on pre-owned products after the retailer warranty ends and protect photo & video gear from accidental damage with Adorama Protect.
If we can’t fix it, we’ll replace it at no additional cost.
Coverage for pre-owned gear begins after the retailer warranty ends, plus accidental damage protection for photo/video gear that starts on day one.
Enjoy your gear without fear. We have you covered!
When regular use of your product over time results in mechanical or electrical failure.
We will never charge you a deductible after the purchase of a plan.
Our claims process is simple & easy and our customer service team is happy to help.
Adorama Protect powered by Extend is available for purchase to customers in the United States. Not available for International and U.S. territories purchases. Plans on pre-owned items do not cover pre-existing damages.
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VHF high band
169.505, 170.245, 171.045, 171.905 MHz
FM
+/-10 kHz
>=90 dB (A-weighted), typical
200' (60.96m) typical, open range environment with no interfering signals
4 to 43 deg. C (39 to 109 deg. F), battery performance may be reduced at very low temperatures
80 to 13,000 Hz
Non-diversity, single-channel, dual-antenna system
50 dB minimum
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)
100 to 240 VAC (50/60 Hz) to 12 VDC at 0.5 A (center positive) switched mode external power supply
High: 10 mW
Following federal and national regulations
Four-pin, Locking Connector
Pin 1: GND
Pin 2: INST INPUT
Pin 3: MIC INPUT
Pin 4: BIAS +9 VDC
Two 1.5 V AA (not included)
8 hours (alkaline), depending on battery type and use pattern
Receiver: 7.48 x 1.82 x 5.06" (19.00 x 4.62 x 12.85cm)
Transmitter: 2.76 x 4.08 x 0.98" (7.01 x 10.36 x 2.49cm)
Receiver: 12.0 oz (340.19g)
Transmitter: 2.8 oz (79.38g) (without batteries)
Under the umbrella of professional audio equipment, the System 9 ATW-901A/L VHF Wireless Unipak System with Omnidirectional Lavalier Microphone by Audio-Technica stands out as a superior, frequency-agile wireless system. This four-channel system is meticulously engineered to deliver robust performance, easy setup, and crystal-clear, natural sound quality.
Boasting a modern, stackable design, the System 9 is versatile and available in a variety of configurations including handheld, head, guitar, lavalier, and bodypack. It provides the flexibility of selecting from four user-compatible channels on any one of the four available VHF frequencies (169,505, 170,245, 171,045, and 171,905 MHz), ensuring optimal signal clarity and minimal interference.
Each configuration of the System 9 includes the ATW-R900a receiver and a choice of a body-pack transmitter or handheld microphone/transmitter. The ATW-R900a is a single-channel, non-diversity receiver, equipped with an advanced dipole antenna design. This design extends the operating range by providing a ground element that enhances the usual signal element, ensuring consistent, high-quality audio transmission.
The ATW-R900a receiver also features user-friendly volume control, along with peak AF, RF, and power indicator lights, making it easy to monitor and adjust your audio levels. With both XLR balanced and unbalanced output connectors, this system can be seamlessly integrated into a wide variety of audio equipment setups.
The System 9 ATW-901A/L VHF Wireless Unipak System with Omnidirectional Lavalier Microphone is not only easy to operate but also delivers natural and clear sound quality. Its reliable performance and durable construction make it a valuable addition to any professional audio setup.