---
product_id: 293850643
title: "OSD Audio 300W in Wall Volume Control Impedance Matching for Home Speakers, Rotary Knob White SVC300"
brand: "osd audio"
price: "€ 147.91"
currency: EUR
in_stock: true
reviews_count: 5
category: "Osd Audio"
url: https://www.desertcart.sk/products/293850643-osd-audio-300w-in-wall-volume-control-impedance-matching-home
store_origin: SK
region: Slovakia
---

# 300W power per channel Impedance matching for up to 8 speaker pairs 12-step rotary knob control OSD Audio 300W in Wall Volume Control Impedance Matching for Home Speakers, Rotary Knob White SVC300

**Brand:** osd audio
**Price:** € 147.91
**Availability:** ✅ In Stock

## Summary

> 🎛️ Command your soundscape with precision and power!

## Quick Answers

- **What is this?** OSD Audio 300W in Wall Volume Control Impedance Matching for Home Speakers, Rotary Knob White SVC300 by osd audio
- **How much does it cost?** € 147.91 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sk](https://www.desertcart.sk/products/293850643-osd-audio-300w-in-wall-volume-control-impedance-matching-home)

## Best For

- osd audio enthusiasts

## Why This Product

- Trusted osd audio brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Sleek In-Wall Design:** Flush mounts into standard gang boxes with included decor plates for a clean, professional look.
- • **Powerhouse Performance:** Delivers a robust 300 watts per channel with minimal bass roll-off for immersive sound.
- • **Effortless Installation:** Removable, solderless quick-connect terminals support up to 14-gauge wiring for fast setup.
- • **Precision Volume Control:** 12-step rotary knob lets you tailor audio levels independently across your home zones.
- • **Smart Impedance Matching:** Protects your amplifier by stabilizing ohm load when connecting up to 8 pairs of 8Ω speakers.

## Overview

The OSD Audio SVC300 is a high-performance in-wall volume control designed for home audio systems, delivering 300 watts per channel with advanced impedance matching to protect your amplifier. Featuring a smooth 12-step rotary knob and easy installation with quick-connect terminals, it allows independent volume adjustment for multiple speaker zones while maintaining sleek, flush-mounted aesthetics.

## Description

The OSD In-Wall Home Theater Speaker Volume Control is a unique design to switch the volume of speakers independently from the rest of the house. Mount it on a wall to use in varying locations for soft or high volume. Optimal Speaker Design is engaged in the design, engineering, and distribution of high-quality home and commercial audio products. Our products range in complexity from simple in-ceiling speakers to whole house audio systems—all with beautiful styling and high-end sound quality.Our U.S.-based research, development and design team, is supported by a network of cutting-edge acoustical, mechanical and electrical engineers. Together, we create products that combine the latest technology with ease of use for a quality sound experience.With extensive product and application knowledge, our exceptional team provides you with custom solutions to create the perfect audio solution.

Review: Muy buen producto - Muy buen producto, quede satisfecho con la compra,. Buena calidad en los materiales
Review: seems to work well - seems to work well

## Features

- HIGH POWER: The SVC300 is rated at 300 Watts per channel with minimal bass roll-off. It includes front mounted adjustable impedance jumpers to add up to eight pairs of 8 ohm speakers simultaneously.
- VOLUME CONTROL: The controls allow you to adjust the volume of a pair of speakers independently of other speakers in a house audio system. They are ideal for both softer and higher volume locations.
- IMPEDANCE PROTECTION: This feature of SVC300 assists in stabilizing the ohm load going back to the amp or receiver with parallel connections to avoid overheating and damaging expensive equipment.
- KNOB: Simple to wire with a 12-step, high-quality autoformer design, the rotary-style knob allows a wide range of listening volumes. White, ivory and almond trim decor plates are included.
- DESIGN: For dedicated audio zones, the SVC300 install easily into the wall and works with most systems. Removable and solderless terminals accept up to 14 gauge wiring and fits in a standard gang box.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B007U2GVY0 |
| Audio Output Mode | Stereo |
| Audio output mode | Stereo |
| Best Sellers Rank | #91,555 in Electronics ( See Top 100 in Electronics ) #57 in Ceiling & In-Wall Speakers #233,792 in Electronics Accessories & Supplies |
| Brand | OSD Audio |
| Built-In Media | removable and solderless terminals, decor plates |
| Color | White/Ivory/Almond |
| Compatible Devices | Home Audio Systems, Speakers (most models) |
| Connectivity Protocol | wired |
| Connectivity Technology | wired |
| Connectivity technology | wired |
| Control Method | Touch |
| Controller Type | Knob |
| Customer Reviews | 4.4 out of 5 stars 200 Reviews |
| Enclosure Material | Metal |
| Global Trade Identification Number | 00810281013374 |
| Impedance | 8 Ohms |
| Manufacturer | OSD Audio |
| Material | Metal |
| Model Name | SVC-300 |
| Model Number | OSD-SVC-300 |
| Mounting Type | Built-in Mount |
| Mounting type | Built-in Mount |
| Number of Audio Channels | 2 |
| Number of Items | 1 |
| Power Source | Corded Electric |
| Speaker Maximum Output Power | 300 Watts |
| Speaker Type | Component |
| Speaker maximum output power | 300 Watts |
| Specific Uses For Product | In-wall home theater speaker volume control |
| Subwoofer Connectivity Technology | Wired |
| Tweeter Diameter | 1 Inches |
| UPC | 810281013374 |
| Unit Count | 1 Count |
| Water Resistance Level | Not Water Resistant |

## Product Details

- **Brand:** OSD Audio
- **Connector type:** Clamp
- **Operation mode:** Manual
- **Switch type:** Rotary
- **Terminal:** Quick-connect

## Images

![OSD Audio 300W in Wall Volume Control Impedance Matching for Home Speakers, Rotary Knob White SVC300 - Image 1](https://m.media-amazon.com/images/I/61NiTCA20XL.jpg)
![OSD Audio 300W in Wall Volume Control Impedance Matching for Home Speakers, Rotary Knob White SVC300 - Image 2](https://m.media-amazon.com/images/I/811fjPcXrDL.jpg)
![OSD Audio 300W in Wall Volume Control Impedance Matching for Home Speakers, Rotary Knob White SVC300 - Image 3](https://m.media-amazon.com/images/I/71YpvfXQ-bL.jpg)
![OSD Audio 300W in Wall Volume Control Impedance Matching for Home Speakers, Rotary Knob White SVC300 - Image 4](https://m.media-amazon.com/images/I/713gwmwaOyL.jpg)
![OSD Audio 300W in Wall Volume Control Impedance Matching for Home Speakers, Rotary Knob White SVC300 - Image 5](https://m.media-amazon.com/images/I/71vokYezD9L.jpg)

## Available Options

This product comes in different **Color, Size, Style** options.

## Questions & Answers

**Q: how do I order white**
A: say it comes with all 3 trim colors

**Q: how do I hook up 4 8 ohm speakers?**
A: Two sets of two speakers. A-B and C-DConnect A-B in parallel; Connect C-D in parallel. Each set will therefore be 4 ohms per set. Then connect each set in Series and that will end up as being 8 Ohms

**Q: Please explain if the slider itself can be ivory, along with the plate or if the slider control is one color and the plates changeable?**
A: Hello, the plates, screws and slider pieces are the different colors.

**Q: Will this match the impedance for 3 speakers?**
A: Why would alejandro say you can only have 3 speakers.  The description clearly states "up to 8 pairs of 8ohm speakers" .

## Customer Reviews

### ⭐⭐⭐⭐⭐ Muy buen producto
*by C***O on 17 December 2018*

Muy buen producto, quede satisfecho con la compra,. Buena calidad en los materiales

### ⭐⭐⭐⭐⭐ seems to work well
*by T***M on 8 February 2021*

seems to work well

### ⭐⭐⭐⭐⭐ Wall volume control
*by P***R on 15 April 2026*

Easy installation and works great!!

## Frequently Bought Together

- OSD 300W in Wall Volume Control Impedance Matching for Home Speakers, Rotary Knob White SVC300
- Pyle Home 2-Way In-Wall In-Ceiling Speaker System - Dual 8 Inch 300W Pair of Ceiling Wall Flush Mount Speakers w/ 1" Silk Dome Tweeter, Adjustable Treble Control - For Home Theater Entertainment PIC8E

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*Product available on Desertcart Slovakia*
*Store origin: SK*
*Last updated: 2026-11-05*