• Audio-Technica ATW-1101/L0

Audio-Technica ATW-1101/L

  • ATW-1101/L
  • MT830cW Omni Condenser Lavalier Mic
  • ATW-T1001 UniPak Transmitter
  • ATW-R1100 Digital Receiver
  • Use Up To 8 Systems Simultaneously


The ATW-1101/L System 10 from Audio-Technica is a digital wireless lavalier microphone solution that is designed to provide high quality vocal reproduction for speakers and singers in house of worship, broadcast and other applications. The set includes the ATW-R1100 digital receiver, the ATW-T1001 UniPak pocket transmitter and the MT830cW lavalier microphone. It uses 24-bit, 48 kHz digital audio and operates free from TV interference in the 2.4 GHz frequency range. Built for expandability, you can use up to eight systems simultaneously.

The MT830cW is a lavalier condenser microphone that is designed to be worn inconspicuously on the clothing or in the hair. It features an omnidirectional polar pattern that is designed to deliver a wide pick up radius and maximize vocal intelligibility. It also features a switchable high-pass filter that rolls off 18 dB per octave starting at 80 Hz. This helps to reduce unwanted low frequency pick up from ambient sound, clothing adjustments or breathing in close proximity to the mic. The mic has a 55″ cable that terminates with a locking 4-pin connector which plugs into the ATW-T1001 UniPak pocket transmitter.

The ATW-1101/L wireless system is engineered to quickly find the best signal possible, utilizing an automatic frequency selection function that chooses open bands for you when you “pair” your transmitter with the receiver. Also designed to combat interference, the ATW-1101/L uses three different diversity techniques. Using frequency diversity, the system sends the wireless signal on two separate channels simultaneously and chooses the one with the clearest signal. It also transmits the signal across multiple intervals in time in order to fight multipath interference. This is known as time diversity. Furthermore, the system also makes use of space diversity, choosing between the receiver’s dual antennas depending on which is picking up the best signal integrity.

Balanced XLR output and unbalanced 1/4″ output on receiver allows for connection to balanced microphone level inputs or unbalanced aux level inputs on mixers and sounds systems

Windscreen to help prevent pops from wind and breath

Microphone features a rugged build for withstanding everyday wear and tear

Includes clip for securing the lavalier to your clothing

Level controls on transmitter and receiver

Pair indicator illuminates on receiver when synced with transmitter

AF Peak indicator on receiver allows you to monitor the input stage on the transmitter for clipping


System Specifications

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
Operating Temperature Range 0 to +40° C (32 to 104° F)
Frequency Response 20 Hz to 20 kHz
Audio Sampling 24 bit, 48 kHz
Receiving System Diversity (frequency/time/space)
Output Connections 1x XLR, balanced 
1x 1/4″ (6.3 mm), unbalanced
Maximum Output Level Balanced: 0 dBV 
Unbalanced: +6 dBV
Power Supply 100-240V AC (50/60 Hz) to 12V DC 0.5A, center positive, switched mode external power supply
Dimensions 7.48 x 1.82 x 5.06″ (190.0 x 46.2 x 128.5 mm)
Weight 10.2 oz (290 g)


RF Output Power 10 mW
Spurious Emission Following federal and national regulations
Input Connections 1x 4-pin locking connector

Pin 1: GND
Pin 4: DC BIAS +9V

Batteries 2x 1.5V AA (not included)
Battery Life >7 hours (alkaline)
Dimensions 2.76 x 4.21 x .98″ (70.2 x 107 x 24.9 mm)
Weight 3.5 oz (100 g), without batteries


Element Fixed-charge back plate, permanently polarized condenser
Polar Pattern Omnidirectional
Frequency Response 30 Hz – 20 kHz
Low Frequency Roll-Off 80 Hz, 18 dB/octave
Open Circuit Sensitivity -37 dB (14.1 mV) re 1V at 1 Pa
Impedance 200 ohms
Maximum Input Sound Level 135 dB SPL, 1 kHz at 1% T.H
Dynamic Range 108 dB, 1 kHz at Max SPL (typical)
Signal-to-Noise Ratio 67 dB, 1 kHz at 1 Pa
Phantom Power Requirements 11-52V DC, 2 mA (typical)
Switch Flat, roll-off
Connector Locking 4-Pin HRS connector
Cable Length 55″ (1.4 m)
Dimensions 0.62 x 0.33 x 0.19″ (15.8 x 8.3 x 5.0 mm)
Weight 0.05 oz (1.3 g)

Packaging Infor

Package Weight 2.3 lb
Box Dimensions (LxWxH) 13.7 x 11.0 x 4.3″

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