Detail 01
ATW-R900a receiver
The included receiver is a non-diversity, single-channel model.

Independent shopping perspective
Audio-Technica’s System 9 lavalier configuration pairs the ATW-R900a receiver with a lavalier microphone/transmitter. The single-channel, non-diversity receiver provides four compatible user-switchable VHF channels, with an advanced dipole antenna design intended to extend operating range through a ground element alongside the signal element. Volume control and AF Peak, RF, and Power indicators keep key receiver information and adjustment on the unit. Its stackable form supports orderly placement with other System 9 components.

Strong match
Consider the trade-offs
What matters in use
Catalog numbers tell only part of the story. These are the details most likely to change how this product feels, sounds, or fits into a setup.
Detail 01
The included receiver is a non-diversity, single-channel model.
Detail 02
Four compatible channels can be selected by the user.
Detail 03
The antenna design uses a ground element in addition to the signal element.
Final check
Product questions
Straight answers to the questions shoppers most often ask about this product.
It includes the ATW-R900a receiver and a lavalier microphone/transmitter.
The system offers four compatible, user-switchable VHF channels.
The ATW-R900a is a non-diversity receiver.
It has AF Peak, RF, and Power indicator lights.
Reference
The complete catalog record, organized around the decisions musicians make when comparing gear.