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...

High Performance Compact Speaker New Klippel NFS optimized version! Utilizing high-resolution, 360-degree measurements from our Klippel NFS, we’ve completely re-engineered the beloved HTM-200SE, delivering significant improvements across every performance category....

Convert Your Luna To LunaV2! DIY upgrade kit to convert your Luna speakers to the new LunaV2. LunaV2 features a new Klippel NFS optimized crossover combined with enhanced cabinet  and...

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...

Our World-Renowned Reference Monitor, Now Even Better! "Innovation, performance, intensive quality controls and environmental-friendliness all precisely balanced in a truly unique loudspeaker." Our new Sierra-1 V2 is a complete reimagining...

Convert Your Duo To DuoV2! DIY upgrade kit to convert your Duo speakers to the new DuoV2. DuoV2 features a new Klippel NFS optimized crossover combined with enhanced cabinet  and...

Introducing our new V2 Tower "The midrange on the Towers...is a main event. Inner detail is fantastic even on large-ensemble recordings, and they are free from distortion and retain a...

Upgrade Your Sierra To Our New Sierra-LX! DIY upgrade kit to convert your Sierra-1, Sierra-2, or Sierra-2EX to our new Sierra-LX. Sierra-LX is a fully Klippel NFS optimized speaker designed for...

The Benchmark Bookshelf Loudspeaker "The State Of The Art Of Budget Loudspeakers" -Jeff Van Dyne, GoodSound Setting new performance standards for affordable accurate sound reproduction for two channel stereo reproduction...

Convert Your Sierra-1 To Sierra-2EX V2 DIY upgrade kit to convert your Sierra-1 speakers to Sierra-2EX V2. This is a huge performance upgrade while also being a fun and educational...

Our No-Compromise Ultra-High-Performance Compact LCR Speaker New Klippel NFS optimized version! Building on the success and enthusiastic feedback from our Luna mini-monitor, we expanded its winning formula to create a...

Introducing Our No-Compromise High-Performance Mini-Monitor New Klippel NFS optimized version! Building on the ongoing success of our remarkable LX and Sierra-2EX speakers, we set out to deliver similar extraordinary performance...

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-1 To Sierra-1 NrT DIY upgrade kit to convert your Sierra-1 speakers to Sierra-1 NrT. Sierra-1 NrT offer more high frequency detail and energy, with improved sparkle and...