Down4Sound Universal LED Bass Knob

Description Command your bass with precision and peace of mind. The Down4Sound LED Bass Knob combines illuminated style, reliable voltage monitoring, and ultra-precise control in one compact unit. Integrated Digital Volt Meter – Monitor system voltage in real-time Clickable Potentiometer – Prevents accidental adjustments; stays locked until you turn it Smooth, Precise Bass Control – Fine-tune your output instantly Rugged Red LED Housing – Glows with a bold D4S hex pattern design Easy In-Line Install – RCA pass-through connections for universal fit Voltage Range: 7V–18V Rca cable lengths for Input / Output –  14″