The Philips BT2500's slim design and budget price make it an appealing, travel-friendly mini Bluetooth speaker.
The Sony MEX BT-2500 is a good option for those looking to spend no more than $200 on a Bluetooth-enabled in-car stereo. Its straightforward design and intuitive controls make it easy to use, but its limited calling capabilities and poor outgoing sound quality let it down.
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For the price, the Sony MEX-BT2600 is an impressive all-in-one in-car communication and entertainment device.
The MEX-BT5100 is a good all-in-one option for those thinking of investing in a in a decent stereo and a hands-free speakerphone.
The Sony MEX-BT5000 is packed with useful entertainment and communications features, although it suffers from some fiddly controls. Advanced Bluetooth audio streaming may be its star feature, but its built-in sound optimization for digital audio playback means that it is more than a one-trick pony.