With the Duet, the system produced quieter backgrounds and somewhat reduced layer of “haze” probably caused by high-frequency hash. It also didn’t limit dynamics
Duet
Matt Clott
What the DUET does is exactly what it is supposed to. It lowers the noise floor without restricting dynamics
Chris Eberle
. . .with Duet, it had a definite increase in presence, it just seemed more there
Jeff Dorgay
The Clarus Duet power conditioners are one of the best performing I’ve heard at any price