JBL Go 4 at $39 as Charge 6, Flip 7, Charge 4 go on sale

Several portable JBL speakers are being offered at steep discounts this week across major retailers, with the small Go 4 available for about $39 and larger models such as the Charge 6, Flip 7 and Charge 4 showing record-low or open-box prices at outlets including Amazon, Best Buy, Woot and StackSocial. Retail listings and deal sites say color selections are widely included in the sales, but inventories and warranties vary by seller.

The palm-sized JBL Go 4 is being promoted at roughly $39, down from its usual $49, with Amazon and Best Buy among retailers showing the price cut. The Go 4 measures about 3.7 by 2.6 by 1.4 inches, carries an IP67 waterproof and dustproof rating and is rated for up to seven hours of playback on a charge. Reviewers and product listings note the speaker is lightweight, available in multiple colors and built from recycled materials, but they caution that its modest battery and smaller drivers make it an entry-level, casual-use device rather than a long-term replacement for larger JBL models.

Bigger, more feature-rich JBL speakers are also on sale. The Charge 6, a rugged model praised for its 24-hour battery life and ability to act as a power bank for...