- Product Type: Wireless In-Ear Monitor System
- Model: ATW-3255
- Series: 3000 Series
- Transmitter Type: Rack-mount with OLED display
- Receiver Type: Body-pack with headphone amplifier
- Headphones: ATH-E40 professional in-ear monitor headphones with dual phase push-pull drivers
- Frequency Coverage: 138 MHz UHF tuning bandwidth; available in DF2 (470 –608 MHz) and EG2 (580 –714 MHz)
- Compatibility: Integrates with 3000 Series UHF Wireless Microphone Systems
- Operation Modes: Stereo or mono with pan/personal mix controls
- Battery Life: Up to 7 hours on NiMH batteries (receiver)