JVC CS-J6930 is a 15 x 23cm (6'' x 9'') 3-Way Coaxial Speakers that features mica cone, hybrid surround and poly-ether imide for mid-range cone & tweeter.
The JVC CW-DRA8 is a drvn 20cm (8'') Compact Powered Subwoofer with Class D Amplifier, a Max Power of 250W / 125W RMS Power and a Wired Remote Controller.