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Operating Frequencies 2.4 GHz ISM band
Dynamic Range  >109 dB (A-weighted), typical
Total Harmonic Distortion  <0.05% typical
Operating Range  30 m (100') typical, Open range environment with no interfering signals
Operating Temperature Range 0° C to +40° C (32° F to 104° F), 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)
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 .5A (center positive) switched mode external power supply
Dimensions 190.0 mm (7.48") W x 46.2 mm (1.82") H x 128.5 mm (5.06") D
Net Weight 290 grams (10.2 oz)
Accessory Included Power supply


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
Net Weight 100 grams (3.5 oz), without batteries


Element Condenser
Polar Pattern Omnidirectional
Cable 55" (1.5m), terminated for use with Audio-Technica UniPack body-pack transmitters
Accessories Furnished Clothing clip and press-on windscreen

Vendors Other Products

Audio-Technica System-10 ATW-R1100 Receiver, ATW-T1001 UniPak Transmitter System & MT830cW Lavalier Mic

3.50 LBS
Usually ships within 24 hours
Calculated at checkout

Product Description

The Audio-Technica ATW-1101/L contains ATW-R1100 receiver, ATW-T1001 UniPak® transmitter and MT830cW omnidirectional lavalier microphone.

Audio-Technica’s System 10 is an eight-channel digital wireless system designed to provide rock-solid performance along with easy setup and clear, natural sound quality. Featuring stackable, contemporary styling, System 10 is available in handheld, headworn, guitar, lavalier and body-pack configurations and desired configuration can be ordered separately. Operating in the 2.4 GHz range, far from TV and DTV interference, System 10 offers extremely easy operation and instantaneous channel selection. Up to eight channels may be used together without any frequency coordination problems or group selection issues.

System 10 wireless ensures clear communications by providing three levels of diversity assurance: frequency, time, and space. Frequency Diversity sends the signal on two dynamically allocated frequencies for interference-free communication. Time Diversity sends the signal in multiple time slots to maximize immunity to multipath interference. Finally, Space Diversity uses two antennas on each transmitter and receiver to maximize signal integrity.

The ATW-R1100 receiver includes a switching power supply that automatically adapts to changes in mains voltage.

The versatile ATW-T1001 UniPak body-pack transmitter has both a high-impedance input for instruments, and a low-impedance input with bias connection for use with dynamic and electret condenser microphones.

The body-pack transmitter use internal AA batteries and has Power/Mute switches and input Trim (level) adjustments.

The MT830cW omnidirectional lavalier microphone is designed to be worn as a lavalier or hidden in loose clothing or in the hair, the MT830cW provides high intelligibility for lecturers, stage/TV performers and singers. The mic’s wide-range capability ensures clean, accurate reproduction.


  • Digital 24-bit/48 kHz wireless operation for ultimate sound quality and dependable performance
  • 2.4 GHz range – completely free from TV interference
  • Three levels of diversity assurance: frequency, time, & space
  • Automatic frequency selection for seamless, interference-free operation
  • Extremely easy operation with instantaneous channel selection, sync, and set-up
  • State-of-the-art digital receiver for reliable performance
  • Balanced XLR and unbalanced 1/4” output jacks with level control