This is hands down the best creation from the minds at JL Audio headquarters. Not only is this subwoofer beautiful, it catches each and every bass note with accuracy, clarity, and authority. I have owned the 12W7s and other lesser named subwoofers, from 12 inches up to 18 inches, and I can say that without a doubt, this is what I will be spending my money on until something better comes from the house of JL. Pair with the HD 1200/1 and you will want to spend the night in your car just to hear some bass. Thank you Sonic!