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| Product name | |||||
| Price | $139 at 1 store | $39 at 1 store | $499 at 1 store | $53 to $118 at 4 stores | $22 to $115 at 12 stores |
| CNET editors' rating | 3.0 stars Good | 3.5 stars Very good | 4.0 stars Excellent | Not yet rated | 3.5 stars Very good |
| Average user rating | 3.0 stars out of 14 reviews | 3.5 stars out of 3 reviews | 1.5 stars out of 4 reviews | 2.0 stars out of 3 reviews | 3.5 stars out of 9 reviews |
| Release date | May 21, 2007 | December 23, 2011 | June 07, 2007 | May 15, 2007 | February 11, 2011 |
| The Bottom Line | The Rocketfish Universal Wireless Rear Speaker Kit can convert most brands of surround speakers to cordless operation for less than $100. | If you're looking for a relatively cheap way to add Bluetooth wireless audio streaming to a powered speaker or audio component with an audio input, the Logitech Wireless Speaker Adapter is a good solution. | While it costs a bundle, KEF's Universal Wireless System makes good on its promise to deliver CD-quality sound to any brand of speakers. | The Belkin Bluetooth Music Receiver is a cheap and easy way to add wireless audio streaming to any powered speaker system or audio component with a spare input. | Basic specs |
| Features | See What's the Same or What's different | ||||
| Full specifications | Full specifications | Full specifications | Full specifications | Full specifications | Full specifications |
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