Quality Would you consider this product to be made well? How dependable? Features What do you consider to be the best features of this product? What features would you add to this product if you could? it works amazing. Had no idea it would not only eliminate hum but also clean up other other noise issues. I use it between my mixer and my main outs. Ease of Use How easy is this product to use? How easy is the product to use with other products? Did it take long for you to learn to use this product? Was the manual helpful? How playable do you consider this product to be? no brainer Sound How is the tone? no comment Reliability How has it stood up over time? no comment General Your general opinion of this product. an absolute must have