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Audio-Technica ATW-3131b 3000 Series Lavalier Wireless System
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      Audio-Technica ATW-3131b 3000 Series Lavalier Wireless System (485603)
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A frequency-agile True Diversity UHF wireless receiver with bodypack transmitter and lav mic.

The Audio-Technica ATW-3131b Lavalier Wireless System is part of Audio-Technica's third-generation 3000 Series wireless systems. It includes an Audio-Technica ATW-R3100b receiver, ATW-T310b UniPak transmitter, and an Audio-Technica AT831cW lavalier microphone. The wireless system offers 996 selectable UHF frequencies and features for clear sound and intuitive operation.

Audio-Technica has simplified the 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 Audio-Technica 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 locking battery compartment provides a more secure latch and more robust design.

The Audio-Technica ATW-R3100b receiver is equipped with automatic frequency scanning for easy setup. It also features true diversity reception. Two antennas feed two completely independent RF sections on the same frequency; automatic logic circuitry continuously compares and selects the superior received signal, providing better sound quality and reducing the possibility of interference and dropouts. Soft-touch controls provide convenient access to a variety of functions, while a backlit LCD information display provides constant monitoring of system operation, including indication of the transmitter's battery status. The receiver is half-width for a standard 1U 19" rack mount; rack-mount adapters are included.

An advanced Digital Tone Lock tone squelch system in the ATW-R3100b receiver opens only when a 3000 Series transmitter 3000 Series Installation and Operation is detected, reducing the possibility of interference. As a result, 3000 Series transmitters and receivers must be used together and should not be used with components from other Audio-Technica wireless systems, or with those of other manufacturers. Exception: 3000 Series components are compatible with Audio-Technica 1800 Series wireless system components.

AT831cW lavalier microphone is a cardioid condenser mic terminated with locking 4-pin connector designed speciifcally for the A-T UniPak body-pack wireless transmitters. It features a 55" (1.4m) cable and Includes a windscreen and clothing clip.

Audio-Technica ATW-3131b 3000 Series Lavalier Wireless System Features:

  • Includes a
    ATW-R3100b receiver, ATW-T310b UniPak transmitter and AT831cW lavalier microphone
    996 UHF frequencies
    Antenna power available for powered antennas & other in-line RF devices
    Nine pre-coordinated frequency scan groups simplify selection of usable frequencies in a multichannel wireless system
    True Diversity operation reduces dropouts
    Advanced digital Tone Lock squelch effectively blocks stray RF and communicates transmitter data for receiver display
    Transmitter 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

    AT831cW Cardioid Condenser Lavalier Microphone
    Terminated with locking 4-pin connector for A-T UniPak body-pack wireless transmitters
    55" (1.4m) cable
    Includes windscreen and clothing clip


Audio-Technica ATW-3131b 3000 Series Lavalier Wireless System Specifications:

  • Overall System
    UHF Operating Frequencies (Frequency Range/Number of Frequencies)
    Band C: 541.500 to 566.375MHz/996
    Band D: 655.500 to 680.375MHz/996
    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, ±17.5kHz deviation)
    Operating range: 100m (300'), typical
    Open range environment with no interfering signals.
    Operating temperature range -5°C to +45°C, 23°F to 113°F
    Battery and LCD performance may be reduced at very low temperatures.
    Frequency response: 70Hz to 15kHz (+1dB, -3dB)

    ATW-R3100b Receiver
    Receiving system: True diversity
    Image Rejection: 60dB nominal, 55dB minimum
    RF Sensitivity: 20dBuV at 60dB S/N ratio (50O termination)
    Maximum Output Level:
    XLR, balanced: +9dBV
    1/4" (6.3mm), unbalanced: +7dBV
    Antenna Input:
    BNC-type, 50O
    Bias voltage 12V DC, 60 mA, each
    Power Requirements: 12-18V DC, 500 mA
    Dimensions (WxDxH): 210.0mm (8.27") x 164.4mm (6.47") x 44.0mm (1.73")
    (Not including BNC connectors or feet)
    Net weight: 1.1kg (38.8oz.), without accessories
    Accessories:
    Included Two flexible UHF antennas
    AC adapter (country dependent)
    Rack-mount adapters

    ATW-T310b UniPak Transmitter
    RF power output:
    High: 30mW, Low: 10mW (switchable), at 50O
    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: High: 6 hours (alkaline), Low: 8 hours (alkaline), depending on battery type and use pattern
    Dimensions (WxdxH): 66.0mm (2.60") x 24.0mm (0.94") x 87.0mm (3.43")
    Net weight: 81g (2.9oz.), without batteries


Audio-Technica ATW-3131b 3000 Series Lavalier Wireless System

One year parts and labor warranty.

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Now you can get added warranty protection for your new gear. Pro Coverage steps in where the manufacturer's "normal wear and tear" ends. Our PRO COVERAGE program offers you UPGRADED COVERAGE if your product ever fails!

Pro Coverage includes:

  • Accidental damage protection (new gear only)
  • Expedited Repair
  • Free Shipping (for returns or repairs)
  • 100% Coverage for Commercial Use
  • Extended Return Period
  • Extended Price Protection
  • No Lemon Guarantee
  • Free Transfer of Coverage to a new owner
  • Repair Costs Covered for up to 3 years from date of purchase
  • Repairs Can Be Authorized Toll-Free by Phone or the via the web
Product Reviews
(Based on 2 reviews)
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  • CR

    As reviewed by Tim Wright on 4/26/2011

    We are a traveling Christian Rock Band. We have 3 of these. One On lead Guitar. One on Acoustic Guitar and a third as a lavalier. At first I had my reservations about the AT brand. I was convinced to try these. We have had zero problems. Zero drop outs. they have worked flawlessly every time we call on them. I would recommend them to anyone.

    1 of 1 people found this review helpful.
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  • great product

    As reviewed by mason on 4/21/2011

    i dont personally own one of these but i have used one MANY MANY times for school productions. these are great well built mics that definitely hold up to a little abuse. great for school productions and we actually have a couple at my church. they do a great job. never ever had any feedback from them and the range is pretty great.

    1 of 1 people found this review helpful.
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