Memphis has loaded these impressive subwoofers into an enclosure engineered specifically to maximize the performance of the subwoofers and added a 300 watt integrated amplifier making them an amazing all-in-one solution or adding Memphis bass to any vehicle. Single 8 Bass System 2 Ohm. DIMENSIONS: 20" x 14" x 5.8.If your item is defective or you want to return it for any reason within the first 30 days of when it was delivered to you; you have the following options. We will send you a. To replace the item for a brand new one. All replacements and exchanges are free.