Sonic Electronix cuts an extra 25% off a selection of premium headphones and earbuds via coupon code "48HEAD", with prices starting from $26.25 after coupon. Even better, these items are all eligible for free shipping. Deal ends May 4. Some best bets, each with prices after coupon:

• AKG K404 On-Ear Mini Headphones in Black for $26.25 (low by $14)
• Grado SR60i Prestige Series On-Ear Headphones for $59.25 (pictured, low by $20)