At first glance, the Teenage Engineering OB-4 looks like one of those modern Bluetooth boomboxes. It’s just big enough to house powerful sound drivers inside it, while being compact enough that you can easily transport it by hand anywhere you go. Knowing the outfit, though (they made those tiny pocket synths and that styrofoam record player), you probably already know they didn’t stop there.
Unlike many Bluetooth speakers today, the device has a built-in radio tuner, so you can listen to old-school FM stations like it’s 1995.
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https://www.coolthings.com/teenage-engineering-ob-4-bluetooth-speaker-fm-radio-tape-loop/
