In-wall whole-house volume control with 100W impedance matching

OSD Audio ★ 3.7/5 · ItemOracle Score Mid-Range

$55 USD
Price subject to change
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OSD Audio 100W Sleek, Modern, Minimalist Design in Wall Volume Control, Rotary Knob Bone Impedance Matching SLK100

In-wall Decora-style impedance-matching volume control kit for whole-house audio. Includes bone trim plate and a 12-point linear knob for adjustable volume across zones. Customers note easy installation and full audio frequency response, with mixed opinions on build quality

Highlights

  • impedance matching protection
  • bone trim plate included
  • up to eight pairs of 8-ohm speakers supported

Pros

  • Decora style design
  • Easy to install
  • 12-point linear control knob
  • Impedance matching protection
  • Supports multiple speakers with adjustable jumpers

Cons

  • Mixed feedback on build quality
  • May be too large for standard wall boxes

Best For

  • multi-zone home audio
  • home-office audio distribution
  • whole-house audio control
  • zones with independent volume needs
  • retrofit for existing audio systems
  • dedicated room or area audio control

Features

  • Decora-style, in-wall impedance-matching volume controller for whole-house audio and dedicated zones
  • Includes bone trim plate and a 12-point linear control knob for volume adjustment
  • Rated at 100 Watts peak with adjustable jumpers for up to eight pairs of 8-ohm speakers
  • Selectable impedance matching to protect receivers/amplifiers when multiple volume controls are paralleled
  • Supports up to 14-gauge wiring with screws and trim plate included

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