De-Esser half rack unit. High frequency/ broadband selector, "more" fader with LED indicator, frequency control. HI-2 1/4 inch in on face, In/out 1/4 jacks on rear. Can be used as either full band reduction or high frequency notch control, also can thicken low level compression. Virtually unused, light scuffs on top. No rack ears. 9 condition.