Monoprice Outdoor Speaker Volume Controller RMS 100W - Gray

You're out in your yard enjoying your pool or BBQ. You've set up your outdoor sound system so that you can listen to music while you relax. What a hassle it is to go all the way back inside your house just to adjust the volume. Wouldn't it be easier to have a volume controller out in your patio?
Here's your solution: an outdoor speaker volume controller. This specially designed unit comes in a weatherproof, sealed enclosure specifically designed for outdoor installations. A simple rotary design allows you to set your audio to the perfect listening level. The rotary control can be set to one of twelve positions, including the minimum (off) and maximum volume settings.
The water resistant enclosure also makes it perfect for marine (boating) applications.
When setting up the speaker volume controls, it is important to match the impedance of your speaker system with the load rating of your amplifier. This is done by setting the jumpers on the volume control to compensate for the number of speakers you have in a parallel configuration and the impedance level of the speakers.
If using a single pair of speakers rated at the same load level as your amplifier, you don't need to make any changes ‑ just leave the jumper in the default x1 position. However, if your speakers are of a different impedance level and/or you have more than one set of speakers in parallel, please refer to the following chart as a guide for setting the jumpers on the speaker volume control.
Note that for any speakers wired in series, the overall impedance level is the sum of each speaker. So two 4‑ohm speakers wired in series is the same impedance as a single 8‑ohm speaker.

- Impedance Correction Chart
- Speaker
Impedance Amplifier
Rating Jumper Setting /
# of Speaker Pairs
- x1 x2 x4 x8
- 4‑ohm Speakers 2 ohms 2 pairs 4 pairs 8 pairs 16 pairs
- 4 ohms 1 pair 2 pairs 4 pairs 8 pairs
- 8 ohms n/a 1 pair 2 pairs 4 pairs
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