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Diamond Audio DMDX 6"x9" Concentric Coaxial Speakers The Diamond Audio DMDX Concentric Coaxial Speakers are engineered to deliver high-fidelity sound in a streamlined, full-range design. Built for drivers seeking a noticeable upgrade over factory audio, the DMDX series combines clarity, efficiency, and dynamic output in a single 6"x9" chassis. Utilizing a concentric coaxial configuration, the tweeter and woofer are aligned to provide cohesive sound reproduction with natural staging and improved tonal balance across the frequency spectrum. Performance Highlights 65 watts RMS power handling 195 watts maximum power handling 50Hz–20kHz frequency response 88dB sensitivity (1W/1M) 4-ohm nominal impedance 68Hz free-air resonance (Fs) Installation & Fitment Designed around a standard 6"x9" form factor, the DMDX coaxials provide compatibility with a wide range of factory and aftermarket speaker locations. Installation measurements are provided below to assist with proper fitment. Nominal Diameter 6"x9" (152 x 228mm) Mounting Depth 3.17" (80.6mm) Cut-Out Dimensions 8.68" x 5.93" (220.5 x 150.5mm) Overall Dimensions 9.29" x 6.4" (236 x 162.6mm) Overall Height 3.54" (90mm) Specifications Power Handling (RMS) 65 Watts Power Handling (Max) 195 Watts Frequency Response 50Hz–20kHz Sensitivity (1W/1M) 88dB Nominal Impedance 4 Ohms Free-Air Resonance (Fs) 68Hz
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The specs above are the fastest way to confirm a part is right before checkout — a size or power rating just outside your factory setup usually means an adapter or a different SKU, not a return later. If you are not sure which spec matters for your vehicle, the fit tool at the top of the page narrows the catalog to parts already confirmed for your year, make, and model.
