If you'd like your Sony headphones to be a little less judgmental, we've got good news. The company's MDR-XB400, MDR-XB600 and MDR-XB800 Extra Bass headphones, along with the MDR-XB60EX in-ears, have arrived in the US for those who want low-end frequencies without the talent show branding. All four carry Sony's newer Advanced Direct Vibe to emphasize the sub-bass notes of "today's music styles" (read: electronic and hip-hop) as well as a serrated cord that keeps the cord tangling to a minimum. Working your way up the range mostly
