Ending today, Sonic Electronix via Rakuten Shopping offers the Sennheiser Over-Ear Headphones, model no. HD449, for $47. Apply coupon code "VISACHECKOUTMARCH" and checkout via Visa Checkout to drop the price to $37. With free shipping, that's a buck under our mention from last week and the lowest total price we've seen. (It's also a current price low by $11.) These headphones feature a frequency response of 16Hz to 24kHz, duofol diaphragms, and tangle-free cord with gold-plated jack.