B2 Audio X2C Competition Series 15" 10,000 Watt RMS Dual 1 Ohm Subwoofer GP Car Audio The Built-In Hi-Low converter allows

The Built-In Hi-Low converter allows you to connect directly from your system without the need of an additional module and its associated cost

4-Pin Molex

Above a starter sub

It has 4awg inputs and can be ran 4 ohms per channel

B2 Audio X2C Competition Series 15" 10,000 Watt RMS Dual 1 Ohm Subwoofer GP Car Audio The Built-In Hi-Low converter allowsHand Built to Order: Each unit is individually assembled for unmatched attention to detail and performance consistency. 10,000 Watt RMS Powerhouse The B2 Audio X2C 15" Subwoofer delivers a staggering 10,000W RMS and up to 20,000W max power, engineered for high output SPL performance and extreme low end frequencies. Built for Serious Bassheads Featuring a massive 5 inch voice coil and weighing over 110 lb, this subwoofer is designed to handle serious