Sennheiser PXC 550 BT/ANC Over-Ears for $300

This is like a yo-yo, the new condition Sennheiser PXC 550 BT/ANC over-ears are on sale again for $300 with free shipping at B&H Photo and Amazon by Amazon actual (limit 3). As usual, the sale will likely continue go for a few hours/days [unpredictable] and then go back up.