Products

Product Description

The D-fend SA300 keep your system safe, but your venue and audience as well. With D-fend there are no more worries about blown speakers, HF drivers or crossovers. Or even worse: fire caused by excessive heat. The user simply sets the thresholds and D-fend monitors and limits the amount of input power it passes through to the loudspeaker.

It’s USB compatible, and can be programmed to your specifications from a desktop or laptop. Just set it and forget it. Protect your products, venue, customers, and your reputation with the first passive speaker protection system that is virtually indestructible.

• DIGITAL SIGNAL PROCESSING With on-board digital filtering, D-fend provides multiple frequency dependent thresholds and independent attack/release timing parameters.
• DIGITAL ATTENUATION Significantly reduced heat, no bulbs, no light output.
• FULLY PROGRAMMABLE On-board microprocessor allows user attack, release, and threshold settings to maximize loudspeaker performance.
• HIGH POWER Capable of protecting high power woofers and sub-woofers from over-power conditions as well as mechanical damage thresholds.
• VERSATILE Allows damage-free operation of woofers, tweeters, and/or midrange devices.
• NO AUXILIARY POWER Operates from a standard speaker-level signal, does not require auxiliary power except for low-power applications.
• MUSICAL Attenuation slewing algorithms provide lamp-like musicality without the nuisance of light and flammability concerns.