Full Range Speaker Set is the perfect upgrade to add more thump behind the seat. Speaker enclosure is wedge shaped, made from MDF and protected by durable carpet. Enclosures are a mirror image of each other with each box containing one 8" woofer with port and a soft dome tweeter for 175 watts power handling, 60-22,000 Hz frequency response and 4 ohms impedance. Acoustic batting is used to increase sound quality and performance. Chrome spring loaded terminals for easy wire installation. Dimensions: 16-1/4" wide, 13-1/2" high, 7-1/2" deep at bottom, 3-3/4" deep at top.