The frequency response of the Emit M 20 is more linear than that of the oorstanding M 30, and the impedance is also non-critical. However, while the speaker is power-hungry you won‘t go wrong with at least 100 real Watts per channel, depending on the size of the room. Clean workmanship, great step response, hardly any distortion – toe the speakers in slightly towards the listener and enjoy. But don‘t forget to use stands: the M 20 clearly underperforms when just stuck on a shelf.