Meritline offers the refurbished Logitech S125i Portable Speaker with iPod Dock, model no. 984-000094, for $28.95. Coupon code "MLC118RN" cuts it to $19.99. With free shipping, that's $4 under our August mention of an open-box model and $25 below the lowest total price we could find for a refurb. This speaker system supports all iPhone and iPod models via dock connectors, as well as other MP3 players via a 3.5mm jack.

A 90-day warranty applies, although it's unclear who backs it.