Dealnews - Today's Edition, 2012-03-02 02:53 EST Acoustic Research Portable Audio System for iPhone / iPad for $16 + $5 s&h
Today only, Woot offers the Acoustic Research Portable Audio System for Apple iPhone, iPod touch, or iPad, model no. ARS13, for $15.99 plus $5 for shipping. That's the lowest total price we could find by $18. This audio system features a charging and docking station, incoming call alert, line-in jack, and more.

Uberi, 2012-03-02 04:49 EST Acoustic Research ARS13 Portable Audio System for iPod, iPhone, iPad for $19.99 Shipped
Acoustic Research ARS13 Portable Audio System for iPod, iPhone, iPad for $14.99. Shipping is $5.00 for a total of $19.99 shipped.  Here is a screenshot for your reference.  This universal dock is compatible with popular models including iPhone 4, iPad 2 and iPod nano (1-6th generation) and features play/pause, power, volume up/down functions.  [...]