For those who just want the BIGGEST tube around, this new 12-inch Bass Tubes enclosure subwoofer is in a class by itself! With a 300 watt woofer and the super efficient, Bass Tubes enclosure you can have MONSTER bass at a very affordable price! Recommended power for the BT1224DVC is any amplifier 150 watts and up. The BT1214 is the single voice coil, 4 ohm version. In single subwoofer installations, where getting your amplifier to 2 ohms is important, we recommend that you check out the Dual Voice Coil Version.The following products are not eligible for return and will be sent back to you at your cost and expense if received by us. Any products with missing, damaged or altered serial numbers. Any product that has been serviced without our express permission. The item "Bazooka BT1214 BT Series 12-Inch 4 Ohm Passive Subwoofer Tube" is in sale since Friday, July 17, 2020. This item is in the category "Consumer Electronics\Vehicle Electronics & GPS\Car Audio\Car Subwoofers". The seller is "bazooka" and is located in Atlanta, Georgia. This item can be shipped to United States.