Lenovo offers the JBL Lenovo M1730 2.1-Channel Speaker System, model no. 0B99246, for $79.99. Coupon code "USP1AU449246" cuts it to $19.99. With free shipping, that's $3 under our March mention and the lowest total price we've seen for this system. (It's also a current price low by $39.) This JBL co-branded 2.1 speaker system features an SD card reader and 12-watt power rating. Coupon expires August 27.