The Hertz DCX 170.3 is a premium 6.75-inch 2-way coaxial speaker system from the Hertz Dieci Series, engineered to deliver powerful, detailed sound with excellent efficiency and shallow-mount installation flexibility. Designed with a treated paper woofer cone, PEI dome tweeter, built-in crossover network, and neodymium magnet motor structure, the DCX 170.3 provides crisp highs, dynamic midrange response, and impressive output even on factory radio power. Its slim mounting depth makes it ideal for vehicles with limited door space while still delivering the signature musical sound quality Hertz is known for. Features & Highlights 6.75-inch 2-way coaxial speaker system Hertz Dieci Series design Treated paper woofer cone for warm natural sound PEI dome tweeter for crisp high frequencies Built-in crossover network Neodymium magnet tweeter assembly TPU (thermoplastic polyurethane) surround High-efficiency design performs well on factory radio power Slim shallow-mount depth for easier installation Optimized for OEM replacement applications Excellent off-axis response and sound staging Sold as a pair Specifications Specification Details Speaker Size 6.75" (170mm) Speaker Type 2-Way Coaxial RMS Power Handling 50 Watts Peak Power Handling 100 Watts Impedance 4 Ohms Sensitivity 93 dB Frequency Response 60Hz – 21kHz Tweeter Type PEI Dome Woofer Cone Material Treated Water-Repellent Paper Surround Material TPU Magnet Type Neodymium Tweeter Mounting Depth 1-13/16" Cutout Diameter 5.5" Grilles Included No