Today only, Amazon has the Sony MDR-XB600 Extra Bass 40mm Driver Premium Headphones for $39.99 with free shipping. These noise canceling headphones feature a full 4 to 24,000 Hz frequency range as well as a 3.9 ft tangle-free serrated cord. The MDR-XB600’s retail for $89.99 from Sony and $60 from other various outlets. Amazon’s deal today gets you 60% off its regular list price.
Frequency Stories March 1, 2013