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Niles WVC100K

Weatherproof stereo volume control with impedance magnification

11 Reviews | 2 questions - 6 answers

Item # 190WVC100K

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Was: $124.99

Price break: -$45.00

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Our take on the Niles WVC100K

When you install a separate volume control for your outdoor speakers, you won't have to run indoors every time you want to change the level of your music. The weatherproof WVC100K boasts a rugged, corrosion-resistant design that's built to withstand the elements season after season.

When you install a separate volume control for your outdoor speakers, you won't have to run indoors every time you want to change the level of your music. The weatherproof WVC100K boasts a rugged, corrosion-resistant design that's built to withstand the elements season after season.

This in-wall control also offers impedance matching, which means you can safely make it a part of a multi-room speaker system incorporating up to 6 pairs of speakers. You won't have to install a speaker selector or any other type of protection device.

Product Highlights:

  • power handling: 100 watts per channel
  • 12-step control, 48 dB maximum attenuation
  • selectable impedance magnification (2X, 4X, and 8X)
  • pop-free switching between all steps
  • includes knob, faceplate, stainless steel hardware, and wall gasket
  • removable screwless connectors accommodate up to 16-gauge wire
  • requires single-gang electrical box
  • 1-1/2"W x 4"H x 3-5/8"D
  • warranty: 10 years
  • Our 60-day money-back guarantee

What's in the Box:

  • WVC100K rotary volume control
  • 4 Wall plates (white/almond/bone/black)
  • 4 Knobs (white/almond/bone/black)
  • Rubber gasket
  • 2 Flat-head screws
  • 2 Phillips-head screws
  • Installation & Operation Guide
  • Warranty Information

Very happy with this purchase, easy to install. Works great!

Peter J, Portsmouth, VA


Niles WVC100K Reviews

Average Customer Review(s):

(11 Reviews)
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Hands-on research

Product Research

Installation Considerations


Overview: The WVC100K is a waterproof stereo speaker volume control that connects between the speaker-level output of an amplifier, speaker selector, or a Niles distribution hub and a pair of speakers. Premium-quality parts and construction ensure high-fidelity sound with flat frequency response and 100 watts continuous power handling.

Four Colors: The WVC100K installs in-wall in an outside location in a standard single-gang junction box (J-box). The package includes a wall plate and knob in each of four colors - white, almond, bone, and black.

Selectable Impedance Magnifying Circuit: A universal impedance magnifying circuit enables the WVC100K to act as both stereo and an impedance magnifying volume control. You can magnify the speakers' impedance by a factor of two, four, or eight, allowing you to connect up to eight pair of speakers to a single amplifier or receiver. A sliding switch on the front on the volume control lets you set the impedance factor to 1x, 2x, 4x, or 8x.

12-Step Control: The rotary design gives 12-step control, and a total of more than 48dB maximum attenuation. The high-quality construction assures you get pop-free switching between all steps.

Autoformers: Precision autoformers provide superior sonic performance, exceeding the audio quality of non-impedance magnifying volume controls.

Removable Screwless Speaker Connectors: Two piece, screwless speaker connectors make installation quick and secure. Each connector can accept up to 16-gauge wire.

Isolated Grounds: Isolated left and right-channel grounds ensure safety with any amplifier.

Impedance Compatibility: The WVC100K can be used with 4-, 6-, or 8-ohm speaker systems.

Installation Considerations

Outdoor Wall Mount Application: The WVC100K volume control is designed for environmental wall-mount installation. It comes with a waterproof rubber gasket to protect the volume control's internal circuits from moisture.

Speaker Wire: The WVC100K will accept stranded copper wire up to 16-gauge. Larger (lower gauge) wire is not recommended, as it will not fit into the connectors. Solid-core, aluminum, or "Romex" wire is not recommended. Most states require in-wall speaker wire to have a specific "CL" fire rating.

Required Tools: To install the WVC100K, you will need a Phillips screwdriver and wire stripper.



  • Audio Power Handling: 100 watts/channel RMS; 200 watts/channel peak music power
  • Frequency Response: 20 to 20,000 Hz (+/-1.5 dB)
  • Impedance: compatible with 4-, 6-, and 8-ohm speaker systems



  • Volume Control: W=1.541", H=4.067", D=3.43"
  • Wall Plate: W=2.99", H=4.765", D=0.311" (Cutout Diameter: 0.693")

Our Product Research Team

At Crutchfield, you'll get detailed, accurate information that's hard to find elsewhere. That's because we have our own in-house Product Research team. They verify what’s in the box, check the owner's manual, and record dimensions, features and specs. We stay on top of new products and technologies to help people make informed choices.

Q & A

Customer Q&A

Crutchfield asked  
Why did you buy this?

Ease of installation [ Kimberly  Aug 14, 2018 ]
outside control [ Robert  Jan 16, 2018 ]
Works great, this is my third! [ ANTHONY  Sep 19, 2017 ]
I worked with Tony in the AV Design group. He was extremely helpful in minimizing my cost but getting the most out of my system! [ David  Aug 18, 2017 ]
Replace an existing one that appears to be going bad. [ Roberto  Jun 14, 2017 ]
Needed for outdoor speakers. [ Brian  Dec 02, 2016 ]
Buying these o adjust the volume of speakers which are powered via zone 2 of my Yamaha receiver. It will be nice to not have to walk back to the room where the receiver is to adjust the volume. [ E  Jun 12, 2016 ]
Seems like a high quality outdoor speaker volume control with selection of color plates/knobs [ Gregory  Jan 11, 2016 ]

2 questions already asked

Hi Monee, Yes. This is wired between the receiver/amplifier and the speaker. It shuts down my Polk Atrium outdoor patio speakers and my Yamaha ceiling speakers in the shower and bath just fine. It will not turn off self-powered speakers though. [ Michael  Aug 28, 2017 ]
It will control the volume to zero, but it doesn't power off your amp. [ FRANCISCO J  Aug 28, 2017 ]
Yes - will control volume from zero (off) to max. [ James  Aug 28, 2017 ]
Yes it will [ Joe  Aug 28, 2017 ]
This can handle one pair of speakers not two. [ Jim  Aug 24, 2016 ]
One pair only [ David  Aug 23, 2016 ]

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