One of the most reviewed Synergistic products are the HFT's. This time Postive Feedback Online gave it a listen including the FEQ.
Malcolm Gomes wrote (June 2018): "...the HFT/FEQ combination serves to make your listening room canvas more pristine so that when your audio system paints the music on it, the end result is a lot more true to life. Needless to say, the Synergistic Research HFT/FEQ combination I used in this review is not going anywhere. They are now an integral part of my reference audio system..."
CLICK HERE to check out the review