Monoprice

Monoprice 138167 300W Slider Volume Control Impedance Matching

300W

Control Your Audio with the Monoprice 300-Watt Slider Volume Control The Monoprice Impedance Matching Volume Control allows you to easily manage the audio levels in your multi-speaker setup. Designed to connect multiple speaker pairs to a single amplifier, it ensures that the overall impedance le...

$39.99*
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*Price sourced from Amazon.com. Last updated:Oct 09, 2026.Price and availability are subject to change — details.

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Overview

Control Your Audio with the Monoprice 300-Watt Slider Volume Control

The Monoprice Impedance Matching Volume Control allows you to easily manage the audio levels in your multi-speaker setup. Designed to connect multiple speaker pairs to a single amplifier, it ensures that the overall impedance level is maintained to prevent damage to the amplifier. With a standard 1-gang wall plate setup and included color kit, it seamlessly integrates into any home or office environment.

Specifications:

  • Maximum Power: 300 Watts
  • Impedance Matching: Yes
  • Wall Plate: Standard 1-Gang
  • Material: Plastic
  • Mounting Type: Mounting Bracket
  • Connectivity: Analog Audio Cable

Key Features

Allows you to connect multiple speaker pairs to a single power amplifier or receiver.

It increases 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.

Supports amplifiers with up to 300 watts of output power.

Fits into standard single-gang low-voltage junction boxes or mounting brackets.

Specifications

Power Handling
Up to 300 watts (amplifier output)
Features
Impedance Matching, Slider Volume Control
Installation
Fits standard single-gang low-voltage junction boxes or mounting brackets
Function
Connects multiple speaker pairs to a single amplifier/receiver

Frequently Asked Questions

Its primary function is to allow you to connect multiple speaker pairs to a single power amplifier or receiver, while also providing individual volume control for each pair.
It incorporates impedance matching, which increases the impedance of the connected speaker pairs to ensure the overall impedance presented to the amplifier is sufficiently high, preventing damage.
This volume control supports amplifiers with up to 300 watts of output power.
It is designed to fit into standard single-gang low-voltage junction boxes or mounting brackets for a clean, in-wall installation.
Yes, it features a slider volume control mechanism, allowing you to adjust the loudness of each connected speaker pair independently.