Monoprice

Monoprice 138168 120W Rotary Speaker Volume Control

120W

Achieve Precise Audio Control with Audiophile Quality The Monoprice 120-Watt Rotary Resistance Speaker Volume Control offers audiophile-grade sound quality with minimal signal degradation. Featuring a 12-position switch for precise attenuation, solderless speaker terminals for easy installation, ...

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*Price sourced from Amazon.com. Last updated:Jun 27, 2026.Price and availability are subject to change.

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Overview

Achieve Precise Audio Control with Audiophile Quality

The Monoprice 120-Watt Rotary Resistance Speaker Volume Control offers audiophile-grade sound quality with minimal signal degradation. Featuring a 12-position switch for precise attenuation, solderless speaker terminals for easy installation, and included color inserts and knobs for customization, this volume control is perfect for any audio setup.

Key Features:

  • Audiophile Sound Quality: Minimizes high-end and low-end roll-off.
  • Non-Shorting Design: Prevents amplifier damage.
  • Precise Attenuation: 12-position switch with 36dB total attenuation.
  • Easy Installation: Color-coded, solderless speaker terminals.
  • Customizable: Includes white, almond, and ivory plastic inserts and knobs.

Detailed Specifications:

  • Power Handling: 120 Watts
  • Attenuation: 36dB Total
  • Switch Positions: 12
  • Design: Non-Shorting
  • Terminals: Solderless Speaker Terminals
  • Included: White, Almond, and Ivory Plastic Inserts and Knobs

Key Features

Audiophile sound quality, with virtually no high-end or low-end roll-off.

It has a non-shorting design, which prevents amplifier damage.

Color-coded, right-angle, solderless speaker terminals with easy top termination.

Uses a 12-position switch, which offers a total of 36dB attenuation, with Off, two 6dB, seven 3dB, and full on settings.

The package includes white, almond, and ivory plastic inserts and knobs.

Specifications

Product Type
Rotary Speaker Volume Control
Power Handling
120W
Sound Quality
Audiophile
Design Feature
Non-shorting
Speaker Terminals
Color-coded, right-angle, solderless, easy top termination
Switch Positions
12-position
Attenuation Range
36dB
Attenuation Steps
Off, two 6dB, seven 3dB, full on
Included Accessories
White, almond, and ivory plastic inserts and knobs

Pros & Cons

👍 Pros

  • Delivers audiophile sound quality with virtually no high-end or low-end roll-off, ensuring faithful audio reproduction.
  • Features a non-shorting design, providing critical protection against amplifier damage during operation.
  • Equipped with color-coded, right-angle, solderless speaker terminals, simplifying and securing connections.
  • Offers easy top termination for speaker wires, making installation straightforward and accessible.
  • Utilizes a precise 12-position switch, allowing for fine-tuned volume adjustments over 36dB attenuation.
  • Provides versatile volume settings including Off, two 6dB steps, seven 3dB steps, and a full-on option.
  • Includes white, almond, and ivory plastic inserts and knobs, offering aesthetic versatility to match room decor.

👎 Cons

  • The maximum power handling is 120W, which may be insufficient for high-power amplifier setups or very large speaker systems.
  • Specific impedance matching capabilities or requirements are not detailed, which could be a consideration for complex audio setups.
  • Installation may require cutting into a wall or mounting box, which could be more involved than a simple inline volume control.
  • Does not mention weather resistance or suitability for outdoor applications, suggesting it's primarily for indoor use.
  • The rotary knob interface, while precise, may not offer the quick, single-button mute functionality found on some digital controls.

Frequently Asked Questions

This rotary speaker volume control is rated for up to 120W.
It is designed to provide audiophile sound quality with virtually no high-end or low-end roll-off.
The unit features a 12-position switch, providing Off, two 6dB steps, seven 3dB steps, and full on settings, for a total of 36dB attenuation.
It uses color-coded, right-angle, solderless speaker terminals with easy top termination.
Yes, it has a non-shorting design to prevent amplifier damage.
The package includes white, almond, and ivory plastic inserts and knobs to match different décors.
With a 120W rating, it is suitable for many home audio systems, but very high-power setups might require a controller with a higher wattage capacity.