Warm, yet punchy performance ; Strong Bluetooth connection ; Nice looks ; Solid battery life

Not the sharpest performance ; Rivals offer more fidelity

Another entertaining, approachable outdoor speaker from Ultimate Ears, the Epicboom has plenty of charm and enjoyable sound to make outdoor parties and gatherings whizz by – a solid effort in pretty much all categories.

Robust build and IP67 dust- and water-resistant ; Solid battery life and easy recharging via USB-C ; Significant sound experience with app-adjustable EQ

Sound can't quite rival very best on the market ; A little pricey considering the competition

The Ultimate Ears Epicboom is a practical option for those who want both at-home and outdoors use – the waterproofing sees to that. The speaker outputs 360-degree sound, has decent battery life, and there's EQ adjustability via the app. However, while...

Broad, expansive sound ; Attractive and well-made ; Strong feature set

A little artificial sounding ; Rivals offer more insight and musicality

The burly Epicboom is a well-made and eminently likeable plus-sized portable, yet we have our doubts as to whether it can compete sonically with the market’s best.

Sounds great ; So rugged ; Simple to use

Feels overpriced ; Bluetooth only is restrictive

The Epicboom does what it says on the tin - it's a new impressively powerful speaker from Ultimate Ears that's really easy to use and sounds great. That $350 price is a bit of an issue right now, though - there are better options out there for the money.

Great chunky controls ; Brilliant sound ; Waterproof

Rather expensive ; Many other options available

Epic stamina, punchy audio, full waterproofing. The ultimate speaker for winter sun will give satisfaction. It’s pricey, though.

Lastly, while many will be happy with 17 hours of battery life, the premium $349 price feels a bit steep for a Bluetooth given the battery life durability of smarter wireless speaker rivals for just a $100 more. But if it's simplicity and solid...