As one of its daily deals, CowBoom offers the Pioneer Steez Dubstep DJ Headphones, model no. SE-D10MT-K, for $29.99 plus $5 for shipping. That's tied with our April mention and the lowest total price we could find by $5. They feature 40mm drivers, 8Hz to 28kHz frequency response, and an in-line microphone. Deal ends today.