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Audio-Technica Audio-Technica

Audio-Technica ATW-3255 3000 Series Wireless In-Ear Monitor System Black

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849.0 $849.00
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A durable in-ear monitor system that delivers high-quality sound to smaller-scale venues.

The Audio-Technica 3000 Series wireless in-ear monitor system was designed to bring professional sound quality and features to all levels of performers and performance venues. The 3000 Series wireless IEM provides an affordable, durable in-ear monitor system that is easy to use and, crucially, delivers high-quality sound with dependable RF.

With design elements modeled after the popular 3000 Series UHF wireless microphone systems, the 3000 Series IEM features a rack-mount transmitter with front-panel controls and large OLED display, body-pack receiver with an efficient headphone amp (it also conveniently charges in the same ATH-CHG3 and ATH-CHG3N charging stations as the 3000 Series UHF body-pack transmitters) and ATH-E40 professional in-ear monitor headphones with propriety dual-phase push-pull drivers. Together, these elements provide clear, natural sound quality on any stage.

The 3000 Series wireless IEM offers exceptional wide-band UHF coverage (138mHz), available in frequency band DF2 (470–608mHz), receiver antenna diversity to ensure RF stability and stereo or mono operation with pan/personal mix controls. Additional features include network monitoring and control via the Audio-Technica Wireless Manager software, a cue mode that allows an audio engineer to monitor several IEM channels from a single receiver, and a 3000 Link mode that enables compatibility with 3000 Series wireless microphone components.

Mixing and performing on a smaller scale shouldn’t have to mean sacrificing sound quality. Through the 3000 Series Wireless In-Ear monitor system, Audio-Technica continues to deliver on its promise of making high-quality audio accessible to all.


  • 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 band DF2 (470–608 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
  • Bodypack 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

Order the Audio-Technica ATW-3255 3000 Series wireless in-ear monitor system today.


ATW-3255 3000 Series Wireless In-Ear Monitor System Specifications:

Overall System
  • Operating frequencies band DF2: 470.125 to 607.875mHz
  • Minimum frequency step: 25kHz
  • Modulation mode: FM
  • Nominal/peak deviation: ±34kHz nominal/±45kHz peak
  • Dynamic range: >90dB, A-weighted, typical
  • Total harmonic distortion: <0.2% (at 1kHz, +4dBu input)
  • Operating range: 300' (in open range environment with no interfering signals)
  • Frequency response: 40Hz–14,100Hz
  • Stereo separation 75dB
  • Maximum simultaneous use (recommended): 49 channel per band
  • RF Output power: High of 50mW, low of 10 mW (switchable) at 50 ohms
  • Input connection: XLR-F type x 2 (Pin1: GND, Pin2: Hot, Pin3: Cold)
  • Maximum input level: XLR-F type +24 dBu (at 0dB sensitivity)
  • Output connection: 1/4" TRS x 2
  • Network: 100BASE-T
  • Network port: RJ-45
  • Power supply: 100V to 240V AC (50/60Hz) to 12VDC 1 A (center positive) switched mode external power supply
  • Antenna output: BNC-type, 50 ohms
  • Dimensions (WxDxH): 8.3" x 7.5" x 1.7"
  • Weight (without accessories): 2.437 lb.
  • Included accessories: AC adapter, rackmount (large, small) and flexible UHF antenna
  • Receiving system: Antenna diversity 
  • Image rejection: >80dB, typical 
  • RF Sensitivity: 20 dBuV at 60 dBA S/N ratio (50 ohms termination) 
  • Headphone output jack: 1/8" TRS stereo mini-jack 
  • Headphone output: 40 mW (at 12 ohms) 
  • EQ Low: 80Hz/160Hz/320Hz/±9dB in 3dB step 
  • EQ High: 6kHz/8kHz/10kHz/±9dB in 3dB step 
  • Limiter: Selectable -30dB to OFF (0dB) in 6dB steps 
  • Antenna input: SMA type, 50 ohms 
  • Batteries: 3 VDC (two 1.5 V AA) (not included) 
  • Operating temperature range: -5℃ to +45℃ (23℉ to 113℉) 
  • Battery life: 4–6 hours (alkaline), 5–7 hours (Ni-MH, 1900 mAh), 11–13 hours (Lithium) 
  • Dimensions (WxDxH): 2.5" x 0.91" x 3.2"
  • Weight (without batteries): 0.225 lb.
  • Included accessories: ATH-E40

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