It's time to live loud! The JBL Xtreme 4 portable waterproof speaker delivers next-level massive JBL Pro Sound with amazing dynamics, even at top volume, thanks to two powerful woofers and two tweeters. Dual pumping JBL passive radiators give you deeper bass that moves you. Want to take your music outside? The handy shoulder strap makes it easy, while the rugged rubber bumpers and IP67 waterproof and dustproof rating mean that a sudden downpour or a dunk in the lake won't stop the fun. When it's time to create an even bigger audio experience, pair two Xtreme 4s for stereo sound. Or for your next party, use Auracast to connect the Xtreme 4 with any compatible JBL portable speakers, so your friends lounging poolside will vibe to the same playlist as the ones chatting indoors. 24 hours of playtime and a convenient power bank for your device mean you won't have to recharge until morning. All this, plus it's made with recycled plastic and recycled fabric. The JBL Xtreme 4 brings thrilling sound with you—everywhere.

What Walmart shoppers say

On Walmart.com, this item shows an average customer rating of 4.5 out of 5 based on 803 customer ratings as of October 14, 2026. Ratings are provided by Walmart and may change on the retailer site.

A good match if

Buyers comparing home & kitchen options who want a quick, honest overview before clicking through to Walmart.

Why shoppers notice it

  • Specs and features that match how most shoppers actually use it.
  • Bundle and accessory options that extend usefulness over time.
  • Availability through a retailer shoppers already trust.

What we like

  • Popular configurations restock regularly online.
  • Reasonable footprint for apartments and smaller spaces.
  • Useful for households upgrading from an older model.

Caveats and limits

  • Check warranty terms on Walmart.com before you checkout.
  • Open-box and marketplace offers can differ in return rules.
  • Seasonal demand can affect delivery windows.

Price context from Walmart

Walmart listed this item at approximately $309.95 as of October 14, 2026. Prices and promotions change frequently. If the price shown here differs from Walmart.com, the price on Walmart.com governs.

Bottom line

We would consider JBL Xtreme 4 Portable Speaker a practical option given its Walmart ratings; Walmart.com always governs live pricing.