Bose's SoundLink Max is its largest portable Bluetooth speaker

Bose may be best known for its noise-canceling headphones, but the company makes solid portable Bluetooth speakers too. In fact, the company's SoundLink Flex made our best Bluetooth speakers list as a great option among contenders in its price range. Today, the company is adding to the SoundLink lineup with its largest portable Bluetooth speaker yet: the SoundLink Max ($399). While the overall design is similar to previous Bose devices, this model packs bigger sound and longer battery life into that expanded frame.