Great speakers in good condition, sound great. Basic Features copied from web: 17-1/2" Max. Width Enables Increased Installation Coverage 2-1/4" Horn Tweeter 8" IMPP Composite Cone Woofer Black Carpeted Enclosure with Debossed Pioneer Logo on Black Grill Connectors Placed on Outer Sides for Easier Routing IMPP - Injection Molded Polypropylene Composite Cone L/R Separate Two-Piece Design Bass Reflex: Optimized Bass-reflex Design Dimensions: 17-1/2" X 13-1/2" X 4" (Top) Dimensions: 6-1/2" (Bottom) Frequency Response: 45-24,000Hz Impedance: 4 Ohm Rated RMS (Continuous) Power: 200 Watts Max. Music Power (75 Watts Nominal) Sensitivity: (Efficiency): 92dB (1W/1M)