With the D-fend™ SA300 there are no more worries about blown speakers, HF drivers or crossovers. Or even worse: fire caused by excessive heat. Simply set the thresholds and D-fend™ monitors and limits the amount of input power it passes through to the loudspeaker. Protect your products, venue, customers, and your reputation with the first passive speaker protection system that is virtually indestructible.
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