Ebay offers Harman Kardon Go + Play Portable Bluetooth Speaker for $149.95 (reg $450) with free shipping.

Product Description: 
Harman Kardon’s iconic design meets superior function in this high-performance, full-featured, portable Bluetooth speaker: the Harman Kardon Go + Play. It fills your room with a full spectrum of sound powered by its quad drivers. Thanks to the rechargeable battery, you can enjoy up to 8 hours of playtime and charge your smartphones and tablets via USB. Wirelessly connect two Harman Kardon Wireless Dual Sound enabled speakers together to elevate your music listening experience. The Go + Play is also crafted with premium materials - its stainless steel handle and fabric grill add a stylish touch to your home décor or when you are on-the-go.
Specifications:

•     Model Number: HKGOPLAYMINIBLKAM
•     Series: Go + Play
•     Color: Black
•     Condition: Current

Technical Specs:

•         Support|A2DP 1.3, AVRCP 1.6, HFP 1.6
•         Signal-to-Noise Ratio|80dB A-weighted
•         Bluetooth transmitter power|0 to 9dBm
•         Bluetooth transmitter frequency range|2402MHz to 2480MHz
•         Battery charge time|3 hours
•         Battery type|22.2Wh rechargeable battery
•         Bluetooth version|4.1
•         Transducer size (mm)|2x woofers (90mm), 2x tweeters (20mm)
•         Power supply|19V 3A
•         USB charge out|5V/2.1A ( 5V/0.5A when playing music)
•         Weight (g)|3433
•         Frequency Response|50Hz-20kHz (-6dB)
•         Rated power|4x25W (AC mode)
•         Bluetooth transmitted modulation|GFSK, /4 DQPSK, 8DPSK
•         Music playing time|up to 8 hours (varies by volume level and audio content)