21351 Steel rod combination for use in subwoofers with M20 connection. The height is fixed with a safety hook and secured with a low-noise, backlash-free clamping screw. The slim design of the clamp enables space-saving transportation and ensures a stylish appearance. The usable height is between 849 and 1,377 mm and is achieved in 4 steps of 132 mm. A plastic cap protects the speaker from scratching.
