Secondipity via eBay has Sony SRS-XB43 Portable Bluetooth Speaker (Refurbished, Black) on sale for $89.99. Shipping is free. The current price on a new unit is $180.
Grab one here:
Sony EXTRA BASS Wireless Portable BLUETOOTH IP67 Waterproof Speaker â Black | eBay
Play it loud with EXTRA BASS sound and LIVE SOUND mode. <br>Built to last with an IP67 waterproof, rustproof and dustproof design. <br>Listen all day and night with up to 24 hours of battery life. <br>Boost your music with two speaker lights and multi-colored line lights, and turn the lights on...