Wireless In-Ear Monitor System
- 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
- Transmitter and receiver include OLED screens for optimal readout of key settings and alerts
- Custom audio settings include EQ, limiter, gain control and balance
The Audio-Technica 3000 Series Wireless In-Ear Monitor System (ATW-3255) was designed to bring professional sound quality and features to all levels of performers and performance venues. System integrators for houses of worship, owners of live-performance venues and the musicians who play in them all tell us the same thing: They need an affordable, durable in-ear monitor system that is easy to use and, crucially, delivers high-quality sound with dependable RF.
The 3000 Series Wireless IEM provides all that and more.
Overall System | |
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Operating Frequencies | Band DF2: 470.125 to 607.875 MHz Band EG2: 580.000 to 713.850 MHz |
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 | |
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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 |
Receiver | |
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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) |
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