The Rega Solis is a power amplifier with discrete balanced circuitry. It delivers 168 W RMS per channel into 8 Ω and 305 W RMS into 4 Ω, through a balanced or unbalanced input.
The MA 30.3 mk2 is a class A / AB mono power block assembled by hand in Germany. It delivers 300 watts under 4 ohms from a MOS-FET output stage and a 550-range toroidal transformer.
The MXW70 is a compact power amplifier of 2 x 70 W under 8 ohms, bridged 250 W mono. It accepts symmetrical XLR and asymmetrical RCA inputs in a 21.5 cm side frame.
The Edge W Audio Cambridge is a 100 W stereo power amplifier per channel under 8 ohms. Its path of the signal has only fourteen components selected by hand.