Astell & Kern AK100 Mark II DAP for $427 with coupon

The Astell & Kern AK100 Mark II digital audio player is currently oh sale for around $427 with free shipping and free returns at Groupon Goods with coupon code SCREAM3 (5% off). The coupon expires on 10/27/15 at 11:59pm eastern (unless it’s pacific, in which case add three more hours to the deadline).