Meritline offers the refurbished Logitech Wireless Bluetooth Speaker, model no. 980-000589, for $46.99. Coupon code "MLCKQ21GNL1" drops it to $39.99. With free shipping, that's tied with last month's mention and $25 under the lowest total price we could find for a new unit. (newegg has a refurb for the same price.) This speaker features dual 2" drivers, Bluetooth connectivity with iOS devices (iPhone, iPad, etc.), auxiliary input, and more.

Of note, no warranty information is provided.