Rare Luxury Headphones at CES 2013
Featuring a price range of $30,000 to $40,000 and a limited run of 300, the elusive Sennheiser Orpheus HE90 headphones are definitely tough to find. With a 90-tube amplifier powering them, these stylish headphones - with a max output of 118dB - were definitely a huge hit at this year's CES 2013 convention.