Bests & Worsts Reviews from Amazon

Products tested: Philips AEA2000/37 Bluetooth Hi-Fi Adapter ($24) Harman Kardon BTA-10 External Bluetooth Adapter ($60) HomeSpot NFC-enabled Bluetooth Audio Receiver for Sound System ($28) Black Rx Bluetooth Receiver Conversion Wires ($20) First they are all very similar to me. I have a home stereo Harman Kardon amplifier and 2 JBL column speakers. My system cost me $1800, so it's not professional grade but it's not junk either. Also I'm 35 and still have good hearing capabilities :) My fiancee and I couldn't tell the difference between all of the receivers in term of sound quality. We tested them for 1h~2h with different music on and the difference wasn't flagrant. I kept the philips. Why? here are the reasons: Range: The range was the best with the Philips, but not by a lot! I think this is because these devices must fit the bluetooth norms. In other words if you're looking for a 100 yard range bluetooth device you shouldn't be able to find it. I went upstairs, in the basement, all the way to the end of the garage with my phone in my pocket. They all behaved pretty much the same EXCEPT the cheapest one that had a terrible range (5 yards) and keep breaking up (could be a bad unit...). Connectivity: They all behaved in a very similar way here too. All 4 easy to install and hook up to my phone or my computer. No problem with this. Once the sound quality, the connectivity and the range were tested there were still 3 candidates left. I chose the philips for the price, the look and the brand name. I would have picked the Harman Kardon for their reputation with the quality of their product but I prefer to save $35 for another device that works exactly the same. Also with the philips, after a while, you do need to push the button to activate it then your phone will hook up to it right away. You may not have to do that with the HomeSpot or the Harman Kardon but I forgot to verify this. Hope that helps!