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Brand: Audio Technica/Sound Professionals


4 Channel Digital Wireless System with AT831cw deskstand microphones and multichannel digital output

4 channel professional digital wireless microphone system in sturdy carrying case. This system outputs 4 discreet channels of digital audio to a single USB computer connection. No cables to deal with – all microphones are wireless. Also available as a single channel output system for all other CAT programs and digital recorders.

Wireless system manufacturer’s website

This system includes:

2 – ATW-RC13 Rack-mount receiver chassis

4 – ATWRU13 receiver units

4 – ATW-T1001 UniPak transmitters

4 – AT831CW-NC microphones

4 – SP-DTS-40 mic mounts and stands

4 channel USB interface or 4 channel mixer for monitoring (depending on CAT program used)

Audio-Technica’s System 10 PRO Rack-Mount digital wireless system provides the same interference-free operation in the 2.4 GHz range (outside TV bands) as the original System 10 wireless system but with expanded features and versatility. 

Operating Frequencies 2.4 GHz ISM band
Dynamic Range >109 dB (A-weighted), typical
Total Harmonic Distortion <0.05% typical
Operating Range 60 m (200′) Open range env. with no interfering signals
Operating Temperature Range 0C to +40C (32F to 104F) Battery performance may be reduced at very low temperatures
Frequency Response 20 Hz to 20 kHz
Depending on microphone type

Receiving System Diversity (frequency/time/space)
Output Connectors Remote Receiver Connector: RJ45
Link Connector: RJ12
Maximum Output Level XLR, balanced: 0 dBV 1/4″ (6.3 mm), unbalanced: +6 dBV
Power Supply 100-240V AC (50/60 Hz) to 12V DC 0.5A power supply switched mode external
Dimensions 209.8 mm (8.26″) W x 44 mm (1.73″) H x 169.3 mm (6.67″) D
Net Weight 940 grams (33.2 oz)
Accessory Included Power supply
Accessories Included AC adapter, Link cable, Rack-mount adapters, Joining plate, Rubber feet

RF Power Output 10 mW
Spurious Emissions Following federal and national regulations
Input Connections Four-pin Locking Connector
Pin 1: GND, Pin 2: INST INPUT,
Pin 3: MIC INPUT, Pin 4: DC BIAS +9V
Batteries Two 1.5V AA
not included
Battery Life >7 hours (alkaline)
Depending on battery type and use pattern
Dimensions 70.2 mm (2.76″) W x 107.0 mm (4.21″) H x 24.9 mm (0.98″) D
Weight 20 lbs


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