Step into the future of sound with Diamond Audio's NEO Series Coaxial Drivers — the pinnacle of audio innovation. At Diamond Audio, we're driven by a relentless passion for perfect sound. That's why we've reimagined the legendary Coaxial horn driver with our latest NEO Series, combining the best features of our NEO midbass and midrange drivers with our exclusive waterproof horn technology. The result? Unparalleled sound quality, exceptional output, and effortless installation. Every element of these drivers is crafted to the highest standards, from the premium voice coils and advanced motor structures to the rock-solid basket design, flexible bi-amp capabilities, and waterproof components. These speakers don't just play music — they transform your listening experience into something extraordinary. If you've heard our MS NEO drivers before, get ready for a whole new level of sonic brilliance. Don't settle for ordinary sound. Choose Diamond Audio's NEO Series Coaxial Drivers — because your music deserves the best. Specifications SPEAKER SIZE - 6.5" SPEAKER TYPE - HORN LOADED CO AXIAL BI-AMPABLE - YES OHMS (PER COIL) - 2 NUMBER OF VOICE COILS - DUAL FIELD SERVICABLE VOICE COIL - YES CONE MATERIAL - CARBON FIBER DIAPHRAGM MATERIAL - (PEN) POLYETHYLENE NAPHTHALATE BASKET MATERIAL - CAST ALUMINIUM MAGNET TYPE - NEODYMIUM SURROUND MATERIAL - RUBBER VOICE COIL DIAMETER - INCH (MM) - 2" THIELE/SMALL PARAMETERS SENSITIVITY (1W/1M): 93 RE (Ω) [SERIES]: 3.2 QMS: 10.357 QES: 0.67 QTS: 0.629 FS (HZ): 151 VAS (L): 2.756 CMS (MM/N): 0.094 MMS (G): 11.728 SD (M2): 143.14 BL (T*M): 7.289 XMAX (MM): 1.2 POWER HANDLING RMS: 200 POWER HANDLING MAX: 400 MOUNTING DEPTH: IN.(MM): 3.43" (87.13MM) CUT OUT DIAMETER IN.(MM): 5.63" (143MM) OVER ALL DIAMETER IN.(MM): 6.65" (169MM) OVER ALL HEIGHT IN.(MM): 3.79" (96.33MM)