
I received my S-FIT SAT 150 quickly and in good condition. After hooking them up to my Fiio A1 amp, which is a 15W RMS mini amp at best, they sounded great at first when cranked all the way up, but soon after (within 20 minutes) they started to develop, which appears to indicate a "burned out" woofer, first on one, then on both. I KNOW I'm not overdriving them, the amp isn't powerful enough for that, and it's not going full volume at just 1/4. The amplifier works well with the other speakers and the strange noises coming from those speakers are not audible. I tried to email the seller for a replacement kit. I have not yet received a reply from the seller and it has been 5 days. . At the moment I don't want a refund, just a replacement. I love the sound quality they are able to produce for such a small set of bookshelf speakers. If I don't get a response from the seller soon, I will NOT revoke this review and will not offer these speakers to anyone or give high praise to them or the seller (Warehouse Deals, Inc.). I would like to think that this is nothing more than a careless and/or they may simply be defective as they are mass produced. We will see.

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