WHAT IS IT FOR – This Keple audio bass level controller dial is an external way to adjust the frequency and gain output level from an amplifier, subwoofer, stereo system, equalizer or crossover volume form the dashboard or remote location. This amp level controller knob adds sub-woofer level controls or balances a multiple amplifier installation when you need quick adjustments without fussing with your graphic equalizer or stereo volume controls.

COMFORTABLE TO USE - Compact housing allows the unit to be mounted virtually anywhere so control it at the user's fingertips. Simple in and out connections, no additional wiring needed. Great for a sub amp volume control. The controller enables you to adjust the gain level or volume of the device conveniently while driving. Just gently rotate the dial of the Frequency level and Gain level from this controller. Different frequencies can make the music sound differently.

COMPATIBILITY – Keple Universal Car Audio Controller. Compatible with the car makes like: Alfa Romeo, Audi, BMW, Fiat, Ford, Honda, Hyundai, Kia, Mazda, Mercedes, Mini, Mitsubishi, Nissan, Saab, Scion, Smart, Subaru, Suzuki, Toyota, VW Volkswagen, Volvo and ect. It was made to be universal and to be suitable for many cars.

DESIGN – Keple Universal Car Audio Amplifier is made from high-quality materials and metal for producing the optimal quality signal transmission. Four gold plated RCA provides the resistance for noise and protects from environment interferences. The standard design allows to listen to the music in high quality sound. Mini size easy to install by DIY without manual, especially good fit for Car, Motorcycle, Speakers, Home theater.