BOA121R - 12" 8,000 Watts RMS Dual 1 Ohm Mega Subwoofer - Caution* 112 Pounds. Special Handling Required(SOLD AS EACH) CAUTION: This Subwoofer weighs 112 Pounds and could require two people to handle it safely! The BOA121R subwoofer is a powerful subwoofer designed for high performance SPL. It is a dual 1 ohm subwoofer with an RMS of 8,000 watts and a max of 16,000 watts. This means that it can produce a lot of bass, even at high volumes. The BOA122R uses several features to achieve its high performance, including: 4" dual impedance flat copper clad