I have the LPA-S400ET and use it with horn speakers Avantgarde. I can say they are dead quiet. With a lot (all) of amplifiers before I could hear hiss close to the speakers.Audiophonics HPA-S400ET Amplifier Class D Stereo Purifi 2x400W 4 Ohm - Audiophonics
Class D stereo power amplifier based on two PURIFI 1ET400A modules and a HYPEX SMPS1200A400 power supply.www.audiophonics.fr
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AUDIOPHONICS LPA-S400ET Class D Stereo Amplifier Purifi 2x400W 4 Ohm - Audiophonics
We are proud to offer you the Audiophonics LPA-S400ET, a Class D stereo power amplifier based on two Purifi 1ET400A modules. This ready-built and ready-to-use version is for audiophiles who want to equip themselves with a foolproof amplificationwww.audiophonics.fr
The only difference is the case. Would anyone predict that the close proximity of the power supply to the modules would create any measurable decrease in performance?
I am looking at pairing one of these with my Benchmark HPA4 to drive a set of Revel Studio2's.
This is the first time I have this experience. Hope fully my ears not degraded now.