Upgrade Your Sierra-1 To Our New Sierra-1V2! DIY upgrade kit to convert your Sierra-1 to Sierra-1V2. Sierra-1V2 is a fully Klippel NFS optimized speaker designed for wide and linear dispersion,...

Convert Your Sierra-2 To Sierra-2EX V2 DIY upgrade kit to convert your Sierra-2 speakers to Sierra-2EX V2. Sierra-2EX V2 feature our top-of-the-line "EX" woofer which dramatically improves bass extension, midbass...

Upgrade Your Sierra-2EX to Sierra-2EX V2 DIY upgrade kit to convert your Sierra-2EX to Sierra-2EX V2 Using high resolution 360-degree measurement scans generated by our Klippel NFS, we have developed...

Our New Benchmark Bookshelf Ribbon Speaker New Klippel NFS optimized version! Using high resolution 360-degree measurements generated by our Klippel NFS, we developed a new method of integrating our Sierra-2...

Our New Benchmark Bookshelf Ribbon Speaker New Klippel NFS optimized version! Using high resolution 360-degree measurements generated by our Klippel NFS, we developed a new method of integrating our Sierra-2...

Our Latest And Greatest Bookshelf Monitor Class-leading bass extension, massive dynamics and midbass punch, high power handling, exceptionally wide and linear dispersion combined with some of the best measurements in...

Our Latest And Greatest Bookshelf Monitor Class-leading bass extension, massive dynamics and midbass punch, high power handling, exceptionally wide and linear dispersion combined with some of the best measurements in...

Pedestal Speaker Stands Great looking stable platforms, black matte finish. Use to create that desirable 'tower speaker' look while enhancing acoustic performance.