Dayton Audio's AMT3-4 Air Motion Transformer mid-tweeter brings clarity, transient speed, and musical finesse to your design. The large AMT-technology diaphragm and high-strength neo motor offer extremely wide bandwidth and high sensitivity. Robust metal faceplate provides secure, stable mounting Powerful, lightweight neodymium magnet structure for low distortion and high efficiency Wide bandwidth facilitates integration with large midwoofers 25 watt RMS power handling Dayton Audio AMT3-4 Air Motion Transformer Tweeter 4 Ohm The Dayton Audio AMT3-4's generous radiating area extends response from lower frequencies into the upper midrange, making the transducer great for use as a wideband "mid-tweeter" in a 2-way design with larger woofers, or as a midrange in a 3-way design. The robust metal faceplate adds the distinctive feel of quality, while the sealed rear chamber design eliminates the need for a separate enclosure chamber. Dayton Audio AMT (Air Motion Transformer) tweeters use groundbreaking transducer technology from the original Heil Air Motion Transformer to provide ultra-clean, detailed, and dynamic treble output. The pleated ribbon diaphragm of an AMT provides a large acoustic radiating area condensed into a compact chassis, for extremely high output and improved power handling.