Product Code: CL-E51cv Price: Check Latest CDT Audio CDT Audio Classic Series Convertible Component System    MODEL : CL-E51CV CDT Audio Model: CL-E51CV 2-way 5.25" Convertible Speaker system Mid: 5 1/4" Cast Frame - Carbon Treated paper cone Xover: Ex-450 Tweeter: 3/4"  TW-19 Silk Dome Tweeter Power Handling: 110Watt RMS (100Hz high pass) Frequency Response: 65 ~ 20 kHz Impedance: 4 Ohms Sensitivity: 90.6 dB Tweeter Surface & flush mounts including post for coaxial mounted tweeter Mounting Depth: 2.75" note: the CL-E61cv model is pictured above Component Details-Here  CL-E5 mid bass   This System is The Installer's Choice! Make a Coaxial speaker install or a component install with separate Tweeter You and your installer decide, this set is flexible, the Tweeter can be mounted on a post in the center of the mid-woofer and used as a component coaxial type speaker. Or the Tweeter can be flush or surface mounted at a location that best fit your vehicle.   ex-450 is a new design and provides the essential CDT Audio Elliptic xover topology in the most affordable package. The two-way crossover is composed of a 5th order elliptic high pass network for the Tweeter and first order butterworth for the woofer. Three Tweeter levels are selectable. Tweeter protection is provided. Crossover takes place at 4.3kHz. Mylar and film capacitors in the Tweeter network. This provides greater power handling and clarity.