The UE Wonderboom 2 is the cheap speaker you need this Amazon Prime Day

Some Amazon Prime Day deals are good. Some could even be considered great.

This might just be described as the ULTIMATE deal (save the applause for later), with a massive 43% off this Ultimate Ears Wonderboom 2 waterproof speaker.

We've long raved about the sound and build quality of this small but mighty speaker, but now's the time to put our money where our mouth is

With eye-watering savings to be had, there's never been a better time to snap up a genuine bargain, with this compact model now coming in at only £51.99.

• Ultimate Ears Wonderboom | WAS: £89.99 | NOW: £51.99

Featuring 360 degree surround sound and 13 hours' battery life from a single charge, this Ultimate Ears Wonderboom 2 is ultra-portable.

Did we mention it's also totally waterproof, making it ideal for the shower, pool or outdoor excursions?

Now down to only £51.99 from its original price of £89.99, there's no better time to turn up the volume and blare Kate Bush's Running Up That Hill from the rooftops.

31% off!

Ultimate Ears Wonderboom 2 Wireless Speaker

£62.30 (WAS: £89.99)

Yet again, this speaker has been discounted to a fantastic price. This did drop to £50, but it's still a great deal at £60 - as you get one of the punchiest portable speakers around. It comes in a range of colours and is waterproof and has a big 13-hour battery. We have one and the sound is superb.

Buy now from Amazon

If you are US based, then the closest we could find in price and specs is the rather-brilliant Sony SRS-XB23 Bluetooth speaker with IP67 protection. It's currently $88 and was $109 - so you save a decent 20%.