Speaker Bass Reflex Tube, 18mm-144mm, for Audio System Sound Guide, 2in-18in Air Vent Hole, Brand New.

Enhance your audio system's performance with this cutting-edge accessory. Designed for optimal sound guidance, it features an adjustable diameter ranging from 18mm to 144mm to fit a variety of speaker systems. With an air vent hole size of 2 inches to 18 inches, it efficiently improves bass reflex and sound quality, ensuring rich, deep audio output. Ideal for both professional and personal use, this brand-new component is perfect for achieving clear, powerful sound in any setting.