MIDRANGE BUILT FOR PURE CLARITY – This 8-inch midrange handles the most important frequencies in your audio system, delivering crisp vocals, clean instrumentals, and a detailed soundstage that outperforms stock speakers EXTREME POWER FOR DEMANDING SETUPS – With a massive 550W Max and 275W RMS at 4 ohms, the DIA-M8.4B is engineered to deliver high output, loud performance, and superior control, even at elevated volume levels UPGRADE TO TRUE PRO AUDIO PERFORMANCE – Transform your car or truck stereo with a midrange driver designed to reveal the sound your factory system can’t reproduce. Expect richer mids, fuller presence, and a truly dynamic listening experience 8” LOUDSPEAKER WITH BULLET RESONATOR – The specially designed bullet dust cap protects the voice coil while enhancing higher midrange frequencies, providing sharper detail and optimal sound projection every time BUILT TO LAST WITH PREMIUM COMPONENTS – Constructed with high-quality materials for durability, heat resistance, and consistent performance, ensuring your system stays loud, clean, and reliable