Boss D69.5 Diablo 6" x 9" 5-Way Speaker - Single (Black) Single 5-way 6x9-inch car speaker Equipped with one 0.25-inch aluminum voice coil, two 0.5-inch piezo and one 0.5 mylar tweeters and two 0.5-inch mylar dome woofers Frequency response: 40Hz20kHz Peak power handling: 800 watts 80 oz magnet structure