3000 Series Wireless In-Ear Monitor System

ATW-3255

Durable wireless in-ear monitor system
delivers high-quality sound and stable RF

  • Ideal for use in houses of worship and performance venues
  • Optimized internal digital signal processing provides exceptional stereo separation
  • Wide UHF tuning bandwidth of 138 MHz for maximum versatility in an increasingly congested RF environment; available in frequency bands DF2 (470~608 MHz) and EG2 (580~714 MHz)
  • Shares design elements with the 3000 Series UHF Wireless Systems for easy integration and compatibility
  • Transmitter and receiver include OLED screens for optimal readout of key settings and alerts
  • Offers network monitoring and control via Wireless Manager software
  • A channel plan can be deployed to all network-connected transmitters via an RF scan from a single receiver, with no interference or third-order intermodulation
  • Body-pack receiver operates continuously for up to 7 hours when powered by NiMH batteries and charged in the ATW-CHG3 or ATW-CHG3N charging station (sold separately)
  • Stereo or mono operation with pan/personal mix controls
  • Receiver is equipped with an efficient headphone amp to ensure clear, natural sound quality
  • Custom audio settings include EQ, limiter, gain control and balance
  • Receiver's antenna diversity improves RF stability
  • Included ATH-E40 professional in-ear monitor headphones feature propriety dual phase push-pull drivers for exceptional accuracy and clarity
  • Transmitter is equipped with balanced XLR inputs and loop output, plus network port




  • ATW-3255 Overall System Specifications

    Operating Frequencies

    Band DF2: 470.125 to 607.875 MHz
    Band EG2: 580.000 to 713.850 MHz

    Minimum Frequency Step

    25kHz

    Modulation Mode

    FM

    Normal Deviation

    ±34 kHz nominal / ±45 kHz peak

    Dynamic Range (Typical)

    >90 dB, A-weighted, typical

    Total Harmonic Distortion

    <0.2% (at 1 kHz, +4dBu input)

    Operating Range

    90 m

    Channel Separation

    75 dB

    Frequency Response

    40 Hz to 14,100 Hz

    Simultaneous Use

    49 channels per band (maximum recommended)

    ATW-R3250 Receiver

    Receiving System

    Antenna diversity

    Image Rejection

    >80 dB, typical

    Sensitivity

    20 dBuV (at 60 dB S/N ratio, 50 ohms termination)

    Output Connector

    3.5 mm TRS stereo mini-jack

    Headphone Output

    40 mW (at 12 ohms)

    Equalizer

    Low: 80 Hz / 160 Hz / 320 Hz / ±9 dB in 3 dB step
    High: 6 kHz / 8 kHz / 10 kHz / ±9 dB in 3 dB step

    Limiter

    Selectable: -30dB to OFF (0 dB) in 6 dB steps

    Antenna Input

    SMA-type, 50 ohms

    Battery Type

    3 V DC (two 1.5 V AA) (not included)

    Operating Temperature Range

    -5℃ to +45℃

    Battery Current / Life

    4 to 6 hours (alkaline)
    5 to 7 hours (Ni-MH, 1900 mAh)
    11 to 13 hours (Lithium)

    Dimensions

    64mm x 23mm x 82mm (W x D x H)

    Weight

    102 g

    Accessories Furnished

    ATH-E40

    ATW-T3205 Transmitter

    RF Power Output

    High: 50 mW, Low: 10 mW (switchable) at 50 ohms

    Input Connections

    XLR-F type × 2

    Maximum Input Level

    XLR-F type: +24 dBu (at 0 dB sensitivity)

    Output Connector

    6.3 mm TRS × 2 (Loop output)

    Network

    RJ-45 port, 100BASE-T

    Power Supply

    100 to 240 V AC (50/60 Hz) to 12V DC 1 A (center positive) switched mode external power supply

    Antenna Input

    BNC-type, 50 ohms

    Dimensions

    210mm x 191mm x 43.4mm (W x D x H)

    Weight

    1,100 g

    Accessories Furnished

    AC adapter, Rack-mount (large, small), Flexible UHF antenna

    Download

    audio technica support 3000-series-IEM-UM-EN.pdf - 3000 Series IEM User Manual
    audio technica support 3000-series-IEM-UM-TC.pdf - 3000 Series IEM User Manual (Chinese)
    audio technica support 3000_Series_IEM_QSG.pdf - 3000 Series IEM Quick Start Guide
    audio technica support IEM_GroupChannelTable.pdf - 3000 Series IEM Group Channel Table
    audio technica support WirelessManagerInstaller_v2.0.1_64bit.exe.zip - Wireless Manager (windows 64bit)
    audio technica support WirelessManagerInstaller_v2.0.1_dmg.zip - Wireless Manager (Mac version)
    audio technica support ATW-R3250_Dimensions.DWG - ATW-R3250 Appearance (DWG)
    audio technica support ATW-R3250_Dimensions.PDF - ATW-R3250 Appearance (PDF)
    audio technica support ATW-T3205_Dimensions.DWG - ATW-T3205 Appearance (DWG)
    audio technica support ATW-T3205_Dimensions.PDF - ATW-T3205 Appearance (PDF)