Audio-Technica SYSTEM 9A RECEIVER

The ATW‑R900A is a single‑channel receiver from the Audio‑Technica System 9 VHF wireless series. It is designed to work with compatible transmitters in the 169–172 MHz VHF band, allowing up to four channels (systems) to operate concurrently when each is set to a different frequency.

Key Features

• Frequency‑agile VHF operation: supports four selectable frequencies (169.505, 170.245, 171.045, 171.905 MHz).

• Balanced XLR and unbalanced ¼″ outputs to accommodate different audio gear.

• Non‑diversity dual‑antenna (dipole) design for extended operating range.

• Front‑panel indicators for RF signal, AF peak, channel selection, and power.

• Rear panel volume control and squelch (noise mute) adjustment.