B2 Audio 15" (X26) Xtreme Subwoofer $1,800.00 X2SIX – ASCENDING TO THE UNBELIEVABLE Copying is the highest form of flattery they say. When we launched the groundbreaking X2C it moved boundaries. A 5″ voice coil on a 15″ sub was unheard of, but the basket design and spider landing... Compare Add to Wish list
