As one of its daily deals, ThingFling offers the refurbished Acoustic Research Lantern-Style Portable Wireless Speaker
, model no. AW826, for $29.99
for shipping. That's $5 under our refurb mention from two weeks ago and $54 under the lowest total price we could find for a new unit today. It features a 40Hz to 15kHz frequency response, wireless range up to 150 feet, and post mount. It can operate on AC power or six AA batteries (not included). Deal ends today.
Of note, no warranty information is provided.