The Audio-Technica ATW-R2100CI is a professional UHF wireless microphone receiver designed for use with Audio-Technica 2000c Series wireless microphone transmitters. Featuring true diversity reception, 10 user-selectable frequencies, and automatic frequency scanning, it provides reliable wireless signal reception for live sound, presentations, houses of worship, and other professional audio applications.

Equipped with a UHF analog wireless system operating in the I frequency band (487.125 to 506.5 MHz), the ATW-R2100CI offers an operating range of up to 328.1 feet (100 meters). Its true diversity antenna system helps maintain stable reception by selecting the stronger incoming RF signal, while the automatic frequency scan and Tone Lock squelch system help minimize interference and unwanted noise.

Designed for flexible installation, the receiver features a backlit LCD display, two removable BNC antennas, and balanced XLR and unbalanced 1/4-inch TRS audio outputs.

Key Features

• Professional UHF analog wireless microphone receiver for Audio-Technica 2000c Series systems.
• True diversity reception helps provide stable and reliable wireless performance.
• 10 user-selectable RF frequencies for flexible channel selection.
• Automatic frequency scanning helps identify available operating frequencies.
• Tone Lock squelch system helps reduce unwanted interference and background noise.
• Operating range of up to 328.1 ft (100 m).
• Two removable BNC antennas for reliable RF reception.
• Balanced XLR and unbalanced 1/4-inch TRS audio outputs.
• Backlit LCD display for convenient system monitoring.
• Durable metal housing with included 1U half-rack mounting hardware.

Ideal For

• Live sound reinforcement.
• Concerts and stage performances.
• Houses of worship.
• Corporate presentations and conferences.
• Educational institutions and lecture halls.
• Public speaking and events.
• Professional audio installations.
• Wireless microphone systems using compatible Audio-Technica 2000c Series transmitters.

What's in the Box

• 1 × Audio-Technica ATW-R2100CIWireless Microphone Receiver.
• 2 × Removable BNC Antennas.
• 1 × AC/DC Power Adapter.
• 1 × Rackmount Hardware Kit.
• No Wireless Transmitter Included.
• No Microphone Included.

Frequently Asked Questions

What is the Audio-Technica ATW-R2100CI designed for?

It is designed to receive wireless audio signals from compatible Audio-Technica 2000c Series wireless microphone transmitters.

What wireless technology does this receiver use?

It uses analog UHF wireless technology and operates in the I frequency band from 487.125 to 506.5 MHz.

Does the ATW-R2100c feature diversity reception?

Yes. It features true diversity reception to help maintain stable wireless signal reception and reduce dropouts.

How many selectable frequencies does it offer?

It provides 10 user-selectable RF frequencies.

What is the maximum operating range?

The receiver offers an operating range of up to 328.1 feet (100 meters), depending on environmental conditions and operating setup.

Does it have automatic frequency scanning?

Yes. Its automatic frequency scanning feature helps identify available frequencies for reliable wireless operation.

What is the Tone Lock squelch system?

Tone Lock squelch helps prevent unwanted audio noise by allowing the receiver to respond to compatible transmitter signals.

What audio outputs are available?

It features one balanced 3-pin XLR output and one unbalanced 1/4-inch TRS line output.

Can the receiver be rack-mounted?

Yes. It supports tabletop or rack-mounted operation and includes hardware for 1U half-rack installation.

Does the ATW-R2100c include a transmitter or microphone?

No. It is a receiver-only unit. Compatible wireless transmitters and microphones must be purchased separately.

General Specifications

Product Type	Wireless Microphone Receiver
Model	ATW-R2100CI
Wireless Technology	Analog UHF
Diversity	True Diversity
RF Frequency Band	I: 487.125 to 506.5 MHz
Number of RF Channel Frequencies	10
Number of Audio Channels	1
Maximum Operating Range	328.1 ft / 100 m
Maximum Transmitters per Band	1

Receiver Specifications

Receiver Type	Tabletop / Rack-Mountable
Mounting Options	Rackmount
Rack Space	1U Half-Rack
Antenna	2 × Removable BNC
Number of Audio Channels	1
Audio Output 1	1 × 3-Pin XLR Balanced
Audio Output 2	1 × 1/4" TRS Unbalanced Line
Network I/O	None
Word Clock I/O	None
USB / Lightning Connectivity	None
Frequency Response	100 Hz to 15 kHz
Display	Backlit LCD
Power Requirements	AC/DC Power Adapter

Wireless System Performance

Wireless Technology	Analog UHF
RF Frequency Band	I: 487.125 to 506.5 MHz
Diversity Reception	True Diversity
Selectable Frequencies	10
Maximum Operating Range	328.1 ft / 100 m
Automatic Frequency Scanning	Yes
Tone Lock Squelch	Yes
Maximum Transmitters per Band	1
Encryption	No

Controls & Connectivity

Audio Outputs	XLR Balanced and 1/4" TRS Unbalanced
Antenna Connections	2 × BNC
Antennas	2 × Removable
Display	Backlit LCD
Network Connectivity	No
USB Connectivity	No
Word Clock	No

Power Specifications

Power Source	AC/DC Power Adapter
Adapter Output	12 to 18 VDC at 500 mA
Power Adapter Included	Yes
Charging Case Included	No

Physical Specifications

Housing Material	Metal
Dimensions (W × D × H)	8.3 × 6.4 × 1.7" / 210 × 162.2 × 44 mm
Product Weight	2.2 lb / 1 kg
Package Weight	4.57 lb
Box Dimensions (L × W × H)	15.2 × 13.3 × 3.8"
Mounting	Tabletop / Rack-Mountable