Portable speakers have been amongst my favorite mobile gadgets ever since i started using them roughly 5-6 years ago when i went to a place where there was hardly any electricity available (the generator just wasn't that good i guess). It didn't take long for me however to realize that wireless portable speakers could even replace full sized ones in some places (areas where you will never throw a serious party for example) so as i type these lines i use a grand total of 6 such devices. One of those i use whenever I?m away, three are permanently located in my place up in the mountains and 2 more located in both my house and the lab. Choosing however the proper wireless portable speaker is certainly not easy not only due to the very large number of manufacturers out in the market today but also due to the plethora of features and specifications offered by such devices. TDK just launched the latest addition in their TREK Flex line of portable speakers called the A28 and we've spend a good part of the last month using it to see if it's worth spending your hard earned money for.

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The TREK Flex A28 is yet another IP65 (dust and water proof) certified weatherproof (it's also IK07 shock resistant certified) wireless portable speaker but unlike previous models released by TDK this one features a cylindrical design very similar to that of the BOOM by Ultimate Ears (just smaller). Inside this cylindrical enclosure TDK has placed two 40mm full range dynamic drivers (4W power output each), one 90x42mm oval shaped passive radiator (featuring MaxxBass technology), NiMH (Nickel?metal hydride) rechargeable battery which can keep the A28 going for up to 8 hours and an microphone. The A28 also features Bluetooth v2.1+EDR (enhanced data rate) connectivity with NFC (near field communication), A2DP (advanced audio distribution profile), HFP (hands free profile), HSP (headset profile) and AVRCP (audio/video remote control profile).