Marshall portable speakers are up to 25 percent off right now via Amazon. The sale includes the attractive and highly useful Middleton speaker, which is available for $237. This is a discount of 21 percent and marks a record low for the portable Bluetooth device. The Middleton made our list of the best portable Bluetooth speakers, and for good reason. It’s the company’s flagship portable speaker, so it’s packed with both bells and whistles. It offers 50-watts of 360-degree sound and a rugged... Read this story