B2 Audio Ref Four Bass Knob Controller w/Voltage, Temp & Clip Indicators Nominal Impedance_2 Ohm 150A Rating: Designed to protect

150A Rating: Designed to protect high-power systems

extending its utility in varied conditions

Impressive Sensitivity: With a sensitivity rating of 98dB

Perfect for custom builds

powerful highs that cut through loud systems with ease

B2 Audio Ref Four Bass Knob Controller w/Voltage, Temp & Clip Indicators Nominal Impedance_2 Ohm 150A Rating: Designed to protectDesigned for the Ref Four Amplifier: Official B2 Audio bass knob built specifically for seamless integration with the Ref Four. Full System Control: Adjust bass levels on the fly with the smooth precision control knob. Advanced Monitoring: Power Voltage selector plus LED Voltage Temperature readout with Celsius Fahrenheit option. Safety Indicators: Integrated Power and Clip lights keep your system protected and easy to monitor. Premium Build: Durable