Audio-Technica ATW-3131BD
Wireless UHF Bodypack Microphone System with AT831cW Lavalier Microphone, Frequency-Agile, True Diversity, TV44-49

OUR PART #  ATW-3131BD

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Audio-Technica's third-generation 3000 Series wireless systems offer up to 1001 selectable UHF frequencies and new features for clear sound & intuitive operation. AT has simplified selection of usable frequencies, increased system reliability, and illuminated transmitter screens for clear reads on dark stages. It all adds up to the luxury of rock-solid, richly detailed high-fidelity sound.

The versatile ATW-T310b UniPak body-pack transmitter features a secure 4-pin locking connector compatible with a wide range of microphones, as well as a guitar cable. A 3-position sliding cover on the transmitter's control panel prevents accidental shut-off or channel-switching. A new locking battery compartment provides a more secure latch and more robust design.

The Audio-Technica AT831cW clip-on lavalier mic provides crisp, full-sounding voice pickup. The AT831cW also excels as an instrument mic, especially for pickup of acoustic guitar with included AT8444 guitar adapter. The mic is ideal for higher SPL applications. Excellent gain before feedback and suppression of background noise. Operates on phantom power only.

Audio-Technica ATW-3131BD System Includes:

  • ATW-R3100b receiver
  • ATW-T310b UniPak Transmitter
  • AT831cW Lavalier Microphone

Audio-Technica ATW-3131BD System Features:

  • 996-1001 UHF frequencies in one of three UHF frequency ranges
  • Antenna power available for powered antennas & other in-line RFdevices
  • Nine pre-coordinated frequency scan groups simplify selection of usable frequencies in a multi-channel wireless system
  • True Diversity operation reduces dropouts
  • Advanced digital Tone Lock squelch effectively blocks stray RF and communicates transmitter data for receiver display
  • Transmitters offer backlit LCD & dual-color LED
  • Locking battery compartment with secure latch and robust design
  • Ground-lift switch helps eliminate audible hum caused by ground loops
  • Balanced and unbalanced audio output jacks

Audio-Technica ATW-3131BD System Specifications:

  • Operating Frequencies:  UHF Band
    • Band D:  655.500 MHz to 680.375 MHz (996 frequencies)
    • Not all frequencies are available in all areas. Please check with local regulations.
  • Minimum Frequency Step:  25kHz
  • Modulation Mode:  FM
  • Maximum Deviation:  +/-35kHz
  • Dynamic Range:  >110dB (A-weighted), typical
  • Total Harmonic Distortion:  <1% (at 1kHz, +/-17.5 kHz deviation)
  • Operating Range:  100m (300') typical
    • Open range environment with no interfering signals
  • Operating Temperature Range:  -5º C to +45º C (23º F to 113º F)
    • Battery and LCD performance may be reduced at very low temperatures
  • Frequency Response:  70Hz to 15kHz (+1 dB, -3 dB)

Audio-Technica ATW-R3100b Receiver Specifications:

  • Receiving System:  True diversity
  • Image Rejection:  60dB nominal, 55dB minimum
  • RF Sensitivity:  20 dBuV at 60 dB S/N ratio
  • Maximum Output Level:  XLR, balanced: +9dBV; 1/4", unbalanced: +7 dBV
  • Antenna Input:  BNC-type, 50 ohms; Bias voltage 12V DC, 60 mA, each
  • Power Requirements:  12-18V DC, 500 mA
  • Dimensions (W x D x H):  8.27" x 6.47" x 1.73" (not including BNC connectors or feet)
  • Net Weight:  38.8 oz, without accessories
  • Accessories Included:  Two flexible UHF antennas; AC adapter (country dependent); rack-mount adapters

Audio-Technica ATW-T310b Body-Pack Transmitter Specifications:

  • RF Power Output: High:  30mW, Low: 10mW (switchable), at 50 ohms
  • Spurious Emissions:  Following federal and national regulations
  • Input Connection:  Four-pin Locking Connector
    • Pin 1:  GND
    • Pin 2:  INST INPUT
    • Pin 3:  MIC INPUT
    • Pin 4:  DC BIAS +5V
  • Batteries: Two 1.5V AA, not included
  • Battery Life:  Depending on battery type and use pattern
    • High:  6 hours (alkaline)
    • Low:  8 hours (alkaline)
  • Dimensions (W x D x H):  2.6" x 0.94" x 3.43"
  • Net Weight:  2.9 oz, without batteries

Audio-Technica AT831cW Lavalier Microphone Specifications:

  • Includes clothing clip and windscreen
  • 55" cable terminated with locking 4-pin connector for AT UniPak wirelesssystems
  • Element: Fixed-charge back plate, permanently polarized condenser
  • Polar Pattern:  Cardioid
  • Frequency Response:  40-16,000 Hz
  • Low Frequency Roll-Off:  80Hz, 18 dB/octave
  • Open Circuit Sensitivity:  -42dB (7.9mV) re 1V at 1 Pa
  • Impedance:  250 ohms
  • Maximum Input Sound Level:  141 dB SPL, 1kHz at 1% T.H.D.
  • Dynamic Range (typical):  112 dB, 1kHz at Max SPL
  • Signal-to-Noise Ratio:  65 dB, 1kHz at 1Pa
  • Phantom Power Requirements:  11-52V DC, 2 mA typical
  • Switch:  Flat, roll-off
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Audio-Technica AT898CW Subminiature Lavalier Microphone, Cardioid, Condenser, Less Power Module, Terminated with Locking 4-Pin for A-T UniPak Wireless Systems
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Usually ships in 7-14 business days.
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Subminiature Omnidirectional Lavalier Microphone in Beige with NO Power Module and 55" Cable Terminated with Locking 4-pin Connector for A-T UniPak Wireless Systems
Audio-Technica AT899CW-TH Subminiature Omnidirectional Lavalier Microphone in Beige with NO Power Module and 55" Cable Terminated with Locking 4-pin Connector for A-T UniPak Wireless Systems
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Audio-Technica AT829CW Cardioid Condenser Lavalier Microphone
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Rack-Mount Hardware Kit for 2000/3000 Series Receivers
Audio-Technica ATW-RM1 Rack-Mount Hardware Kit for 2000/3000 Series Receivers
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Pair of UHF (655-680 MHz) half wave antennas with BNC connectors.
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Audio-Technica XLRW XLR to Unipak Input Adapter Cable for Microphone
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Audio-Technica AT-GCW Instrument Cable for Wireless
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Usually ships in 7-14 business days.
Need it sooner? Call us!
Remote Momentary-Mute/Cough Switch
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Usually ships in 7-14 business days.
Need it sooner? Call us!
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Usually ships in 7-14 business days.
Need it sooner? Call us!
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Usually ships in 7-14 business days.
Need it sooner? Call us!

Audio-Technica ATW-3131BD
Wireless UHF Bodypack Microphone System with AT831cW Lavalier Microphone, Frequency-Agile, True Diversity, TV44-49

OUR PART #  ATW-3131BD

Product Information:

Audio-Technica's third-generation 3000 Series wireless systems offer up to 1001 selectable UHF frequencies and new features for clear sound & intuitive operation. AT has simplified selection of usable frequencies, increased system reliability, and illuminated transmitter screens for clear reads on dark stages. It all adds up to the luxury of rock-solid, richly detailed high-fidelity sound.

The versatile ATW-T310b UniPak body-pack transmitter features a secure 4-pin locking connector compatible with a wide range of microphones, as well as a guitar cable. A 3-position sliding cover on the transmitter's control panel prevents accidental shut-off or channel-switching. A new locking battery compartment provides a more secure latch and more robust design.

The Audio-Technica AT831cW clip-on lavalier mic provides crisp, full-sounding voice pickup. The AT831cW also excels as an instrument mic, especially for pickup of acoustic guitar with included AT8444 guitar adapter. The mic is ideal for higher SPL applications. Excellent gain before feedback and suppression of background noise. Operates on phantom power only.

Audio-Technica ATW-3131BD System Includes:

  • ATW-R3100b receiver
  • ATW-T310b UniPak Transmitter
  • AT831cW Lavalier Microphone

Audio-Technica ATW-3131BD System Features:

  • 996-1001 UHF frequencies in one of three UHF frequency ranges
  • Antenna power available for powered antennas & other in-line RFdevices
  • Nine pre-coordinated frequency scan groups simplify selection of usable frequencies in a multi-channel wireless system
  • True Diversity operation reduces dropouts
  • Advanced digital Tone Lock squelch effectively blocks stray RF and communicates transmitter data for receiver display
  • Transmitters offer backlit LCD & dual-color LED
  • Locking battery compartment with secure latch and robust design
  • Ground-lift switch helps eliminate audible hum caused by ground loops
  • Balanced and unbalanced audio output jacks

Audio-Technica ATW-3131BD System Specifications:

  • Operating Frequencies:  UHF Band
    • Band D:  655.500 MHz to 680.375 MHz (996 frequencies)
    • Not all frequencies are available in all areas. Please check with local regulations.
  • Minimum Frequency Step:  25kHz
  • Modulation Mode:  FM
  • Maximum Deviation:  +/-35kHz
  • Dynamic Range:  >110dB (A-weighted), typical
  • Total Harmonic Distortion:  <1% (at 1kHz, +/-17.5 kHz deviation)
  • Operating Range:  100m (300') typical
    • Open range environment with no interfering signals
  • Operating Temperature Range:  -5º C to +45º C (23º F to 113º F)
    • Battery and LCD performance may be reduced at very low temperatures
  • Frequency Response:  70Hz to 15kHz (+1 dB, -3 dB)

Audio-Technica ATW-R3100b Receiver Specifications:

  • Receiving System:  True diversity
  • Image Rejection:  60dB nominal, 55dB minimum
  • RF Sensitivity:  20 dBuV at 60 dB S/N ratio
  • Maximum Output Level:  XLR, balanced: +9dBV; 1/4", unbalanced: +7 dBV
  • Antenna Input:  BNC-type, 50 ohms; Bias voltage 12V DC, 60 mA, each
  • Power Requirements:  12-18V DC, 500 mA
  • Dimensions (W x D x H):  8.27" x 6.47" x 1.73" (not including BNC connectors or feet)
  • Net Weight:  38.8 oz, without accessories
  • Accessories Included:  Two flexible UHF antennas; AC adapter (country dependent); rack-mount adapters

Audio-Technica ATW-T310b Body-Pack Transmitter Specifications:

  • RF Power Output: High:  30mW, Low: 10mW (switchable), at 50 ohms
  • Spurious Emissions:  Following federal and national regulations
  • Input Connection:  Four-pin Locking Connector
    • Pin 1:  GND
    • Pin 2:  INST INPUT
    • Pin 3:  MIC INPUT
    • Pin 4:  DC BIAS +5V
  • Batteries: Two 1.5V AA, not included
  • Battery Life:  Depending on battery type and use pattern
    • High:  6 hours (alkaline)
    • Low:  8 hours (alkaline)
  • Dimensions (W x D x H):  2.6" x 0.94" x 3.43"
  • Net Weight:  2.9 oz, without batteries

Audio-Technica AT831cW Lavalier Microphone Specifications:

  • Includes clothing clip and windscreen
  • 55" cable terminated with locking 4-pin connector for AT UniPak wirelesssystems
  • Element: Fixed-charge back plate, permanently polarized condenser
  • Polar Pattern:  Cardioid
  • Frequency Response:  40-16,000 Hz
  • Low Frequency Roll-Off:  80Hz, 18 dB/octave
  • Open Circuit Sensitivity:  -42dB (7.9mV) re 1V at 1 Pa
  • Impedance:  250 ohms
  • Maximum Input Sound Level:  141 dB SPL, 1kHz at 1% T.H.D.
  • Dynamic Range (typical):  112 dB, 1kHz at Max SPL
  • Signal-to-Noise Ratio:  65 dB, 1kHz at 1Pa
  • Phantom Power Requirements:  11-52V DC, 2 mA typical
  • Switch:  Flat, roll-off
Pair of UHF Wideband LPDA Antennas
Audio-Technica ATW-A49 Pair of UHF Wideband LPDA Antennas
The Audio-Technica ATW-A49 UHF wideband LPDA (Log Periodic Dipole Array) antennas provide enhanced signal pickup for UHF wireless systems operating over 440-900 MHz, a remarkable 2-to-1 frequency range. This bandwidth includes all UHF TV ...
Headworn Omnidirectional Microphone with Locking 4-Pin Connector, No Power Module, Black
Audio-Technica BP892cW Headworn Omnidirectional Microphone with Locking 4-Pin Connector, No Power Module, Black
The Audio-Technica high-SPL BP892 MicroSet® offers the ultimate in low-profile, high-performance audio. Delivering clear and accurate sound in an inconspicuous package, the ultra-lightweight BP892 hooks securely behind either ear and can ...
Headworn Omnidirectional Microphone with Locking 4-Pin Connector, No Power Module, Beige
Audio-Technica BP892cW-TH Headworn Omnidirectional Microphone with Locking 4-Pin Connector, No Power Module, Beige
The Audio-Technica high-SPL BP892 MicroSet® offers the ultimate in low-profile, high-performance audio. Delivering clear and accurate sound in an inconspicuous package, the ultra-lightweight BP892 hooks securely behind either ear and can ...
AT 3000 Series Dynamic Cardioid Handheld Transmitter, TV44-49
Audio-Technica ATW-T341BD AT 3000 Series Dynamic Cardioid Handheld Transmitter, TV44-49
The Audio-Technica ATW-341b handheld transmitter includes the stage-proven Artist Elite AE4100 cardioid dynamic element. Audio-Technica ATW-T341BD Specifications: Operating Frequencies:  UHF Band D - 655.500 MHz to 680.375 MHz (996 ...
Aerobics Headworn Microphone with Windscreen and Cable Clip
Audio-Technica AT889cW Aerobics Headworn Microphone with Windscreen and Cable Clip
The Audio-Technica AT889cW is a headworn noise-cancelling condenser microphone with a 55" cable terminated with locking 4-pin connector for A-T UniPak body-pack transmitters. Rugged, moisture-resistant construction designed for aerobics ...
Wireless Bodypack Transmitter for AT 3000 Series, TV44-49
Audio-Technica ATW-T310b Wireless Bodypack Transmitter for AT 3000 Series, TV44-49
Audio-Technica's versatile ATW-T310b UniPak body-pack transmitter features a secure 4-pin locking connector compatible with a wide range of microphones, as well as a guitar cable. A 3-position sliding cover on the transmitter's ...
Subminiature Lavalier Microphone, Cardioid, Condenser, Less Power Module, Terminated with Locking 4-Pin for A-T UniPak Wireless Systems
Audio-Technica AT898CW Subminiature Lavalier Microphone, Cardioid, Condenser, Less Power Module, Terminated with Locking 4-Pin for A-T UniPak Wireless Systems
Designed to be worn as a lavalier or hidden in clothing, Audio-Technica's discreet-design cardioid AT898 offers maximum intelligibility, accurate voice reproduction and unobtrusive appearance for use in houses of worship, broadcast ...
Subminiature Omnidirectional Lavalier Microphone in Black Without Power Module
Audio-Technica AT899CW Subminiature Omnidirectional Lavalier Microphone in Black Without Power Module
Audio-Technica's AT899CW is a subminiature omnidirectional lavalier mic in black without a power module and comes with a 55" cable terminated with a locking 4-pin connector for Audio-Techinca's UniPak wireless bodypacks. The AT899 ...

Usually ships in 7-14 business days.
Need it sooner? Call us!
Subminiature Omnidirectional Lavalier Microphone in Beige with NO Power Module and 55" Cable Terminated with Locking 4-pin Connector for A-T UniPak Wireless Systems
Audio-Technica AT899CW-TH Subminiature Omnidirectional Lavalier Microphone in Beige with NO Power Module and 55" Cable Terminated with Locking 4-pin Connector for A-T UniPak Wireless Systems
Audio-Technica’s omnidirectional AT899 is engineered for intelligible, accurate voice reproduction. Its low-profile design (a mere 5 mm in diameter) assures minimum visibility. The mic may be worn as a lavalier and is easily hidden in ...
Cardioid Condenser Headworn Microphone, 55" Cable Terminated with Locking 4-pin Connector for A-T UniPak Wireless Systems
Audio-Technica ATM73cW Cardioid Condenser Headworn Microphone, 55" Cable Terminated with Locking 4-pin Connector for A-T UniPak Wireless Systems
The Audio-Technica ATM73cW features a comfortable, unobtrusive headband design with side-of-mouth pickup, making it great for drummers, keyboard players, or anyone requiring hands-free mic operation. Its belt-mounted power module operates ...
Headworn Vocal Microphone, less power module ATM75CW
Audio-Technica ATM75CW Headworn Vocal Microphone, less power module ATM75CW
This headworn cardioid condenser microphone provides pro-quality sound in the comfortable, stable package.  The unidirectional capsule provides full-sounding vocal reproduction with improved gain before feedback.  The ATM75 runs ...
Lavalier Cardioid Microphone, Locking 4-pin Connector for AT UniPack Bodypack Wireless Systems
Audio-Technica AT831CW Lavalier Cardioid Microphone, Locking 4-pin Connector for AT UniPack Bodypack Wireless Systems
The Audio-Technica AT831CW clip-on lavalier mic provides crisp, full-sounding voice pickup. The AT831CW also excels as an instrument mic, especially for pickup of acoustic guitar. The mic is ideal for higher SPL applications, such as ...
Lavalier Microphone, Omnidirectional, Condenser, 55" Cable, Terminated with 4-Pin Locking Connector for A-T UniPak Wireless Systems, Black
Audio-Technica MT830cW Lavalier Microphone, Omnidirectional, Condenser, 55" Cable, Terminated with 4-Pin Locking Connector for A-T UniPak Wireless Systems, Black
The Audio-Technica MT830cW 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 ...
Lavalier Microphone, Omnidirectional, Condenser, 55" Cable, Terminated with 4-Pin Locking Connector for A-T UniPak Wireless Systems, Beige
Audio-Technica MT830cW-TH Lavalier Microphone, Omnidirectional, Condenser, 55" Cable, Terminated with 4-Pin Locking Connector for A-T UniPak Wireless Systems, Beige
The Audio-Technica MT830cW-TH is designed to be worn as a lavalier or hidden in loose clothing or in the hair. The MT830cW-TH provides high intelligibility for lecturers, stage/TV performers and singers. The mic’s wide-range capability ...
Dynamic Headworn Mic, for Unipak System
Audio-Technica PRO8HE-CW Dynamic Headworn Mic, for Unipak System
Professional-quality vocal pickup with hands-free operation with a Hi-ENERGY® neodymium element for crisp sound reproduction. It features a low-visibility headband for stable, comfortable fit, & a pivot-mounted flexible mic boom.
Cardioid Condenser Lavalier Microphone
Audio-Technica AT829CW Cardioid Condenser Lavalier Microphone
The AT829CW is a miniature cardioid condenser microphone only; 55" (1.4 m) cable terminated with locking 4-pin connector for A-T UniPak™ body-pack transmitters.
Rack-Mount Hardware Kit for 2000/3000 Series Receivers
Audio-Technica ATW-RM1 Rack-Mount Hardware Kit for 2000/3000 Series Receivers
Rack-mount hardware kit for Audio-Technica 2000 and 3000 Series wireless systems and for ATW-DA49 antenna distribution system. Allows mounting a half-rack receiver or distribution system in a 19" audio equipment rack; brings antennas to ...
UHF Half Wave Antenna, 655-680 MHz, Pair
Audio-Technica ATW-A3D UHF Half Wave Antenna, 655-680 MHz, Pair
Pair of UHF (655-680 MHz) half wave antennas with BNC connectors.
XLR to Unipak Input Adapter Cable for Microphone
Audio-Technica XLRW XLR to Unipak Input Adapter Cable for Microphone
The Audio-Technica XLRW is a 3-pin XLR-F connector to locking 4-pin connector cable for use between a dynamic low-impedance microphone (or battery-operated condenser microphone) and an A-T UniPak® body-pack wireless transmitter.Length: ...
Instrument Cable for Wireless
Audio-Technica AT-GCW Instrument Cable for Wireless
The Audio-Technica AT-GCW Hi-Z instrument /guitar cable with 1/4" phone plug, terminated for use with A-T UniPak body-pack transmitters.
AA Rechargeable Cells, 4 Pack
Ansmann USA AA-RECHARGEABLES AA Rechargeable Cells, 4 Pack
Highest capacity and best performance. Especially for digital applications Fast chargingEcologicalEconomicalNo heavy metalYou can use rechargeable NiMH batteries in all kinds of electronic appliances such as radios, portable CD players, ...
UHF Antenna Distribution System
Audio-Technica ATW-DA49 UHF Antenna Distribution System
The ATW-DA49 is a UHF (wide-band 440-900 MHz) active unity-gain diversity antenna distribution system that enables one pair of antennas to feed multiple wireless systems. Provides two "1-in, 4-out" RF channels; connects a pair of antennas ...

Usually ships in 7-14 business days.
Need it sooner? Call us!
Remote Momentary-Mute/Cough Switch
Audio-Technica ATW-RCS1 Remote Momentary-Mute/Cough Switch
The Audio-Technica ATW-RCS1 remote momentary-mute/cough switch allows you to momentarily mute your Audio-Technica wireless microphone quickly and easily during a presentation.The ATW-RCS1 momentary-mute/cough switch is ideal for ministers, ...

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Cardioid Condenser Clip-on Instrument Microphone, 55" Cable Terminated with Locking 4-Pin Connector for A-T UniPak Wireless Systems
Audio-Technica PRO-35CW Cardioid Condenser Clip-on Instrument Microphone, 55" Cable Terminated with Locking 4-Pin Connector for A-T UniPak Wireless Systems
Terminated with locking 4-pin connector for A-T UniPak® body-pack wireless transmitters. 55" (1.4 m) cable. Includes AT8418 instrument mount for brass, reeds, drums, etc. Designed for sax, toms, brass and percussion, the PRO 35 excels in ...

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Joining Plate
Audio-Technica AT8630 Joining Plate
Audio-Technica's AT8630 is a joining-plate kit for 2000 and 3000 Series receivers. It enables the mounting of 2 receivers in a single 19" rack space.

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