Brand NEW! Including 90 Days USA Factory Warranty. Dayton Audio's AMT Mini-8 Air Motion Transformer tweeter adds clarity, transient speed, and musical finesse to almost any loudspeaker design. The AMT Mini-8's compact housing is easy to mount anywhere, and groundbreaking AMT technology enables high output from this tiny driver. Key Features ? Advanced Air Motion Transformer design squeezes air ? Folded Kapton ribbon diaphragm delivers clean, detailed, and highly dynamic output ? Miniature design can be mounted virtually anywhere ? Powerful, lightweight neodymium magnet structure for low distortion and high efficiency ? Sonically similar to the best metal ribbon and planar tweeters ? Includes free 2.25" diameter faceplate for front mounting The Dayton Audio AMT Mini-8 model features a round housing and compact AMT element, for wide dispersion that easily replaces dome tweeters in retrofit or new design applications. The AMT Mini-8 is small enough to be used in compact satellite speakers, or installed in the center of a mid-woofer to create a full-bandwidth coaxial driver, or implemented in other ways -- including line arrays. The sealed rear chamber design of the AMT Mini-8 eliminates the need for a separate internal chamber in the loudspeaker enclosure. 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. Note: This tweeter was designed for press-fit mounting, but now includes a 2.25" diameter faceplate for front baffle mounting. Product Specifications Cutout Diameter 1.59 Tweeter Type AMT Air Motion Transformer Power Handling (RMS) 15 Watts Impedance 8? Frequency Response 3,500 to 40,000Hz Sensitivity 88dB 2.83V/1m Thiele-Small Parameters Resonant Frequency (Fs) 3500Hz DC Resistance (Re) 7.92? Mechanical Q (Qms) 1.86 Total Q (Qts) 1.84 Mounting Information Overall Outside Diameter With faceplate 2.25" Depth 0.91" - All international buyers are responsible for all tax, duties and/or customs fees.