No missing knobs, unit powers on. This hasn't been fully tested. The decibel lights on the left hand side light up when a 1/4 cable is plugged in.The meter also seems to respond but hasn't lit up. I don't know a lot about this product.
Comes with a brand new cable. The item "Presonus Eureka Microphone Preamplifier/Channel Strip READ" is in sale since Monday, February 22, 2021.This item is in the category "Musical Instruments & Gear\Pro Audio Equipment\Preamps & Channel Strips". The seller is "array3020_7" and is located in Memphis, Tennessee. This item can be shipped to United States.