The Eminence APT30 horn-loaded tweeter offers exceptional high-frequency reproduction at an exceptional value. Rated at 10 watts AES, this ultra-compact unit features a 2 oz. ferrite magnet, aluminum voice coil former, and mylar diaphragm. With an average SPL rating of 93.4 dB and a max SPL of 116.5 dB, the APT30 is designed to deliver big performance in very limited spaces. From small bass rigs to home hi-fi applications, the APT30 can go where other devices simply can't.