Sonic Electronix offers the HiFiMan HE-560 Planar Magnetic Headphones bundled with the HiFiMan EF100 Headphone Amplifier for $999.97 with free shipping. That's $117 under our April mention and the lowest total price we've seen. (It's also a current low by $117; most retailers charge $900 for the headphones alone.) These award-winning headphones feature single-ended planar magnetic drivers, a suspension headband, 50-ohm impedance, and frequency response range of 15Hz to 50kHz. The amplifier provides an output impedance of 32 to 300 Ohms and features a 6N3J vacuum tube preamp stage, class AB headphone amplifier, and class T speaker amplifier.