I've had 3 sets already, each set lasts 4-6 months before the speaker walls are damaged by spa water, chemicals and wear and tear replaced. Spraying the speaker baffles with waterproofing spray (e.g. clothing and shoes) has been found to make the speakers last longer and the current pair lasts 6+ months. For the price, they're disposable, so it's only happening now. The sound in the spa is quite good for its small size. But the speakers are still not fully waterproof, only lasting 6-8 months in an average hot tub spa.
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