Krell’s “XD” (Xtended Dynamics, Xtended Dimensionality, Xtended Detail) upgrade for the iBias amplifiers takes an already great sounding amplifier and raises its performance to the next level. “XD” is a classic example of Krell’s continuous R&D efforts reaping benefits across multiple product lines.

* Trio 300 XD - 3 Channel Power Amplifier
* Chorus 4200 XD - 4 Channel Power Amplifier
* Chorus 5200 XD - 5 Channel Power Amplifier
* Chorus 7200 XD - 7 Channel Power Amplifier
* Theater 7 XD - 7 Channel Power Amplifier

Download Trio 300 XD, Chorus 4200 XD, Chorus 5200 XD & Chorus 7200 XD Brochure...   
Download Theater 7 Brochure...