But it mostly lives up to the hype and arguably is the best-sounding wireless speaker for its compact size. When the SoundLink Flex speaker launched, Bose made some bold claims about its new Bluetooth speaker, particularly its extra bass performance. But if you really want to improve the sound quality, you can wirelessly pair two Soundcore Motion Boom Plus speakers to create a real stereo pair. If you're sitting within a few feet of the speaker, there's a bit of stereo separation.
For its size, the speaker is able to put out a lot of sound and mostly manages to avoid distorting at higher volumes (I tended to keep the volume in the 50%-to-75% range). I tended to go with the bass boost engaged and found that the speaker delivers full sound with good clarity in the mids and highs and good bass definition. There's a button on the speaker to activate bass boost.
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You can tweak the sound profile (with EQ settings) and upgrade the speaker's firmware in Anker's Soundcore companion app for iOS and Android. I was impressed with the sound quality, which measures up well against a few more expensive - and some larger - speakers on this list. It's also IP67 waterproof and dust-proof and floats if you happen to drop it in a body of water. Battery life is rated for 20 hours at moderate volume levels. Weighing 5.29 pounds (almost a pound more than the Motion Boom), it uses Bluetooth 5.3 and is equipped with upgraded dual 3.5-inch woofers and newly added dual 1-inch tweeters, delivering up to 80 watts of audio output (60W for the woofers and 20W for the tweeters).
It's easily one of the best new Bluetooth speakers of 2022. But the new-for-2022 Motion Boom Plus is significantly improved, particularly in terms of sound quality. Anker's original Soundcore Motion Boom speaker (see below) has been on this list for a while and is still a decent value at a little more than $100.