Car Audio Line Level Controller for Subwoofer, Precise Bass Volume Control Knob with Quick RCA Setup

Compact RCA LineLevel Controller for Subwoofer and MultiAmplifier Systems A small, easytomount controller that adds subwoofer level control or helps balance multiple amplifiers. The compact plastic housing lets you position the unit where it is most convenient for the user. Simple RCA connections require no additional wiring, and the front panel knob provides precise adjustment of any RCA linelevel signal. Key benefits Precise subwoofer volume control for smoother bass transitions and better system balance. Simple installation: connect the car stereo RCA output to the controller input and the controller output to the amplifier input. Compact size and lightweight plastic construction allow nearinstant access to level adjustments without running extra wiring. Finetune the output using a single level control knob for quick, reliable changes while driving or during setup. Features Four RCA jacks: two RCA input and two RCA output. Single level control knob for continuous adjustment. Frequency range: 150Hz 40Hz. Volume gain range: 0db to 12db. Dimensions: 48 x 56 x 41 mm / 1.89 x 2.2 x 1.61 inch. Material: plastic. Color: as shown. No additional wiring required beyond RCA connections. Typical applications Add a dedicated subwoofer volume control between a head unit and a sub amplifier to control bass level from a convenient location. Balance output levels when using multiple amplifiers driving different channels for a more consistent sound stage. Use in custom installations where space is limited and a remote, accessible level control is desired. Installation note Connect the RCA from the output of this controller to the amplifier, and wire the car stereo output to the RCA input of this unit. Simple in and out connections allow quick setup without extra wiring. Package contents 1 x controller Only the items listed above are included. Additional information Light reflection and display differences may cause the color seen in photos to differ slightly from the actual product. Measurement tolerance is plus or minus 1 to 3 cm.