Harman Audio offers its refurbished JBL On Beat Xtreme iPad/iPhone Dock, model no. JBLONBEATXTAM, for $349.99. Coupon code "139OBXT" drops it to $139. With free shipping, that's $40 under our mention of a new one from last month and the lowest total price we've seen for this model. (It's also $361 under the best deal we could find for a new one elsewhere.) It features Bluetooth connectivity, aux in connection, remote control, and it charges iOS devices. Deal ends March 13.