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The DS1390 low-profile sound masker is designed for floor cavities as shallow as 1-3/4 inches. The dual-driver design provides balanced 360-degree dispersion with no hot spots above or below the unit, according to the company. The product includes a multi-tap rotary switch, internal 70-volt transformer and integral cable connector. Suitable for both commercial soundmasking and security applications, the product accepts a mix of soundmasking, music and misinformation signals.
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