ESOTERIC GRANDIOSO S1X Effektforstærker Højtalere - Subwoofer The belt-drive motor on the

The belt-drive motor on the TN-280BT-A3 reduces vibration for sweeter

Dust cover

it allows to improve every aspect of Invictus Speaker

It's a single piece of alumina ceramic:

ESOTERIC GRANDIOSO S1X Effektforstærker Højtalere - Subwoofer The belt-drive motor on theWith the birth of the Grandioso M1X, the flagship monoblock power amplifier, the ESOTERIC amplifier design platform has been completely revamped. The Grandioso S1 has now been reborn as the Grandioso S1X, the flagship of a completely different class A stereo power amplifier. New Drive Stage The newly designed drive stage, a simple 5 parallel push pull drive with large bipolar transistors, is Class A (operating range 50W 8) and has a full sound with