Brand new in box, never used! Two Synergistic Research HFT Speaker Kits. For one pair of speakers you need two Speaker Kits, one Kit is for one speaker. It is the latest version with an additional standard HFT to place on the ceiling directly above your speaker. Retail price for the two sets is 799 euro, now for 639 euro in total. Using a combination of HFT’s, HFT 2.0’s and HFT X’s allows your speakers to disappear and blend into your room providing the most life-like soundstage possible. This kit tackles the problem of surplus HFTs when buying them in normal packs. HFT 2.0 and HFT X take the HFT concept to exciting new levels. The HFT 2.0 is a warmer sounding transducer and HFT X has more details and resolution and both are intended to be used in conjunction with the original HFTs. What they do: Tunes speaker cabinet resonances, Expands soundstage height, width and depth, Extends and clarifies high frequencies, Improves low frequency extension and bass control, Lowers noise floor for improved inner detail and micro-dynamics. Check our other listings for more interesting items. Free shipping worldwide!