3000 Series IEM Receiver (ATW-R3250)


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3000 Series IEM Receiver

Body-pack receiver for 3000 Series In-Ear Monitoring 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


Overall System
Operating Frequencies Band DF2: 470.125 to 607.875 MHz Please note that some frequency bands might not be available in your territory or could come with a limited tuning bandwidth/transmitting power due to local regulations.
Minimum Frequency Step 25 kHz
Modulation Mode FM
Nominal/Peak Deviation ±34 kHz nominal / ±45 kHz peak
Frequency Response 40 Hz to 14,100 Hz
Stereo Separation 75 dB
Operating Range 90 m (300')
Open range environment with no interfering signals
Dynamic Range >90 dB, A-weighted, typical
Total Harmonic Distortion <0.2% (at 1 kHz, +4dBu input)
Maximum Simultaneous Use (recommended) 49 ch per band
For assistance with multi-band operation or other frequency coordination issues, contact your local Audio-Technica dealer.
Notes For product improvement, the product is subject to modification without notice.
IEM Transmitter
RF Output Power High: 50 mW, Low: 10 mW (switchable) at 50 ohms
May differ depending on the country or region in which you live.
Input Connection XLR-F type×2 (Pin1: GND, Pin2: Hot, Pin3: Cold)
Maximum Input Level XLR-F type: +24 dBu (at 0 dB sensitivity)
Output Connection 6.3 mm (1/4") TRS×2 (Tip: Hot, Ring: Cold, Sleeve: Ground)
Network 100BASE-T
Network Port RJ-45
Power Supply 100 to 240 V AC (50/60 Hz) to 12V DC 1 A (center positive) switched mode external power supply
Antenna Output BNC-type, 50 ohms
Dimensions 210 mm (8.3")×191 mm (7.5")×43.4 mm (1.7") (W×D×H)
Weight 1,100 g (39 oz)
(without accessories)
Included Accessories AC adapter Rack-mount (large, small) Flexible UHF antenna
Receiving System Antenna diversity
Audio output cable performs as a secondary antenna to ensure stable RF performance.
Image Rejection >80 dB, typical
RF Sensitivity 20 dBuV at 60 dBA S/N ratio (50 ohms termination)
Headphone Output Jack 3.5 mm (1/8") TRS stereo mini-jack
Headphone Output 40 mW (at 12 ohms)
EQ 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
Operating Temperature Range -5℃ to +45℃ (23℉ to 113℉)
Battery performance may be reduced at very low temperatures.
Dimensions 64 mm (2.5")×23 mm (0.91")×82 mm (3.2") (W×D×H)
Weight 102 g (3.6 oz) (without batteries)
Accessories Included ATH-E40
Battery Current/Life 4 to 6 hours (alkaline); 5 to 7 hours (Ni-MH, 1900 mAh); 11 to 13 hours (Lithium)
Depending on battery type, usage, volume level and environmental conditions.
Battery Type 3 V DC (two 1.5 V AA) (not included)