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 Naim NEW Classic NAP 350 is a 175 W monobloc power amplifier within 8 Ω, due to a copy by speaker. Its output stage is based on NA009 transistors and DR regulated power supplies.
The Naim NEW Classic NAP 250 is a stereo power amplifier of the New Classic 200 series. It delivers 100 watts per channel under 8 Ω via two XLR symmetrical inputs.