Sky High Car Audio Premium Bass Knob with Voltmeter and RGB LEDs

In this review of the Sky High Car Audio Premium Bass Knob with Voltmeter and RGB LEDs (Blue), the bottom line is simple: this is a compact, feature-packed controller for drivers who want on-the-fly bass control and a visual voltage check without cluttering the dash. The reviewer found it especially useful for systems where the amplifier is out of reach, since the 30' ECO RCA lead and PRO-potentiometer provide reliable connectivity and precise tactile adjustment. If you value both function and a subtle interior accent, this unit delivers.

Key Features

• Universal Compatibility: Works with most amplifiers and car audio systems so the bass knob integrates into a wide variety of setups without special adapters.
• Compact Design: Small, space-saving size fits neatly in the cabin and avoids interfering with factory controls while still remaining easy to reach.
• Precision Bass Control: The PRO-potentiometer (LAF50k) provides smooth, accurate adjustment so changes to bass feel intentional and repeatable.
• Integrated Voltmeter: The built-in voltmeter gives a quick visual check of system voltage, helping spot charging or battery issues at a glance.
• RGB LEDs: Multi-color LEDs brighten the interior and provide visual feedback for adjustments, adding style without being distracting.
• Durable Connectivity: The 30' ECO RCA cable with an over-kill strain relief gland offers robust, long run wiring that resists wear and accidental pulls.

Who It's For

The Sky High bass knob is aimed at car audio enthusiasts who want manual, precise bass adjustments from the cabin and a convenient voltmeter readout. It is a good fit for owners of aftermarket amplifiers or custom installs where reaching the amp itself is impractical, and for those who appreciate a subtle RGB lighting accent.

This is less suited to drivers who prefer fully automated DSP or app-based control only, or who need a multi-band tone control rather than a single dedicated bass knob. If you need a large, dashboard-mounted module with many knobs, look for a larger controller system.

Pros & Cons

Pros

• Compact footprint that installs without obstructing other controls.
• Precise PRO-potentiometer provides reliable, smooth bass adjustment.
• Integrated voltmeter and RGB LEDs add useful function and interior lighting.
• Long 30' ECO RCA cable with strong strain relief supports flexible amplifier placement.

Cons

• Single-knob control limits adjustments to overall bass level rather than multi-band EQ.
• Color options are available, but buyers must select the desired color up front.

Specifications

Our Verdict

The Sky High Premium Bass Knob is a compact, well-built add-on for anyone who wants direct, tactile control over bass and a quick voltmeter readout without modifying the amplifier location. It pairs durable wiring and a precise potentiometer with tasteful RGB lighting, making it good value for custom installs and aftermarket systems that benefit from cabin-level control.

Frequently Asked Questions

Does this work with most amplifiers?
Yes. The unit is designed for universal compatibility and connects via standard RCA runs to most aftermarket amplifiers.

How long is the RCA cable?
The included ECO RCA cable is 30' long and features an over-kill strain relief gland for durability on long runs.

Can the LED color be changed?
Yes. The model is available in multiple colors and uses RGB LEDs for interior illumination; select the preferred color when purchasing.