Whether you’ve lost an OEM knob or just want to add a custom pop of color to your rig, this replacement adjustment knob has you covered. Designed specifically for the tight tolerances of Harbinger speakers, this knob provides a tactile, sturdy grip for fine-tuning your levels.

It features a standard D-shaft fitment commonly found on small-format PA speakers and mixers, making it a great candidate for other brands as well!