Toward the high-end for Anker but still affordable, the SoundCore Boost mini Bluetooth speaker gives the JBL Flip 4 a run for its money.
Anker SoundCore 2 review: A good, cheap wireless speaker - CNET
Anker SoundCore Boost review: Anker SoundCore Boost speaker bumps the bass - CNET
Anker Soundcore Boost speaker detailed review - so punchy
Anker SoundCore Boost review: A mediocre Bluetooth speaker with impressive bass
Anker SoundCore Boost review, Best budget portable Bluetooth speaker?, vs JBL Flip 4
Anker Soundcore Boost Bluetooth Speaker Bass Wireless Stereo Waterproof Outdoor
Anker SoundCore Boost 20W Bluetooth Speaker with BassUp Technology - 12h Playtime, IPX5 Water-Resistant, Portable Battery with 66ft Bluetooth Range / Superior Sound & Bass for iPhone, Samsung and more
Upgraded, Anker Soundcore Boost Bluetooth Speaker with Well-Balanced Sound, BassUp, 12H Playtime, USB-C, IPX7 Waterproof, Wireless Customizable EQ via App, Stereo Pairing : Electronics
Anker SoundCore 2 review: A good, cheap wireless speaker - CNET
Anker SoundCore Boost Bluetooth speaker Review - PhoneArena