Kicker Comps 10-Inch 600-Watt Subwoofer Kicker 40CWS104 CompS Car Subwoofer Power Rating: 600 Watts Peak/300 Watts RMS World-famous, hard-hitting bass performance Excellent for a sealed or vented enclosure, or in a freeair application Quad Venting includes vertical and horizontal slots under the cone, and venting in the pole piece