VM Innovations discounts a selection of new and refurbished Sennheiser headphones via coupon codes, as listed below. Plus, all orders receive free shipping. All refurbished items carry a 90-day VMInnovations warranty. The deals:

• Refurb Sennheiser HD429S Over-Ear Headphones for $34.99 via "EQKXGM" (pictured, low by $25)
• Sennheiser In-Ear iPhone Samsung HTC Headphones for $59.99 via "H3R4THF" (low by $15)
• Sennheiser Momentum Green Closed On-Ear Headphones for $89.99 via "N6REW4H" (low by $37)
• Sennheiser Momentum Pink Closed On-Ear Headphones for $89.99 via " XT39NXY4" (low by $10)
• Sennheiser Collapsible Noise-Cancelling Headphones for $99.99 via "A7Q3J" (low by $22)
• Sennheiser HD598 Audiophile Sound Headphones for $129.99 via "N9RKFTK" (low by $39)
• Sennheiser G4ME Zero Video Game Headphones for $179.99 via "NMGKW7F" (low by $60)