Green Sky High Car Audio Bass Knob with Voltmeter - RGB Control

In this review of the Green Sky High Car Audio Bass Knob with Voltmeter and RGB LEDs, the bottom line is simple: this is for drivers who want precise, real-time bass control and an eye-catching LED meter without sacrificing dash space. The reviewer found it especially useful for vehicles where adding a full remote subwoofer control is impractical; the compact footprint and clear voltmeter readout make adjustments quick and reliable. Its universal compatibility and durable cable construction make it an easy upgrade for most car audio systems.

Key Features

• Universal Compatibility: Works with most amplifiers and car audio systems so it can be added to a wide range of vehicles without complex wiring changes.
• Compact Design: Small, space-saving size fits easily into cupholders, consoles, or dash panels without obstructing other controls.
• Precision Bass Control: The PRO-potentiometer (LAF50k) and Oversized SPL wheel allow fine, repeatable adjustments to bass level while driving.
• Durable Connectivity: The included 30' ECO RCA cable with an Over-kill strain relief gland provides a robust connection and reduces the risk of cable failure over time.
• RGB LEDs and Voltmeter: Illuminated RGB LEDs add interior accent lighting and the voltmeter gives a quick visual indication of system voltage during use.
• Three-Position Switch: The built-in 3-position switch adds an extra layer of tuning options to tailor bass response to listening preference or vehicle conditions.

Who It's For

The Green bass knob is ideal for car audio enthusiasts who want tactile, on-the-fly bass adjustments and a visual voltmeter without installing a bulky remote control. It suits people upgrading a factory or aftermarket system who need a neat, reliable external control that blends performance and style.

It is less suited for users who require wireless control or smartphone integration, or for custom installs that demand a flush-mounted OEM look. If you need touchscreen integration or a complex DSP interface, this simple analog controller is not a replacement for those systems.

Pros & Cons

Pros

• Simple, precise bass adjustment via the PRO-potentiometer and oversized wheel.
• Universal compatibility makes installation straightforward with most amps and head units.
• Durable 30' ECO RCA cable with strong strain relief improves longevity of the connection.
• RGB LEDs and voltmeter provide both functional feedback and interior ambiance.

Cons

• Analog control lacks wireless or app-based features found in some modern remotes.
• Compact design may not match the flush, OEM look desired in certain custom dashboards.

Specifications

Brand	Sky High Car Audio
Color	Green (RGB LEDs)
Potentiometer	PRO LAF50k
Cable	30' ECO RCA with Over-kill strain relief gland
Controls	Oversized SPL wheel and 3-position switch
Compatibility	Universal with most amplifiers and car audio systems

Our Verdict

The Green Sky High bass knob is a compact, well-built option for drivers seeking precise analog control and a visual voltmeter without adding bulk. Its durable cable and adjustable controls deliver real utility for most aftermarket installs, making it good value for anyone who prioritizes tactile tuning and LED styling over wireless features.

Frequently Asked Questions

Will this knob work with my amplifier?
Yes, it is designed for universal compatibility and should work with most amplifiers and car audio systems that accept external bass control.

How is the unit mounted and connected?
The knob uses a 30' ECO RCA cable for connection and the compact housing can be placed in a cupholder, console, or mounted in a panel depending on preference.

Does the RGB lighting require extra power wiring?
The RGB LEDs and voltmeter draw power from the audio system connection; installation follows standard wiring for remote bass controls and does not require a separate lighting harness.