Get big Bose sound and huge battery life from a compact waterproof and dustproof speaker while it's nearly 40% off.

The Bose SoundLink Revolve+ Series II Portable Speaker is on sale for $179 at Amazon - a 40% discount for Prime Day with no promo code needed.

From high-end Sony and Sonos to bargain Anker options, we’ve picked the best portable speaker deals you can grab in the Amazon Prime Day sale right now.