This Impedance Matching Outdoor Volume Control allows you to connect multiple speaker pairs to a single power amplifier or receiver. It increases (or decreases) the impedance of the connected speaker pair to ensure that the overall impedance level presented to the amplifier is high enough to prevent damage to the amplifier. It can support amplifiers with up to 50 watts of output power and has a waterproof enclosure, allowing it to be used in outdoor applications.
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Warning: This product can expose you to Phthalates, which is known to the State of California to cause cancer and reproductive harm. For more information, go to www.P65Warnings.ca.gov