VM Innovations discounts a selection of headphones via coupons, as listed below. With free shipping, each is at the lowest total price we could find by at least $4 and as much as $28. The deals:

• VM Audio Elux Over-Ear Hyperbass Headphones for $23.75 via "SAVE5V"
• Sennheiser HD439 Around-The-Ear Portable Headphones (pictured) for $49.99 via "7FJKTP"
• Sennheiser HD 518 Audiophile DJ Headphones for $64.99 via "7SY7S8P"