Brilliant 5 channel Amp using it for stereo with amazing results. Rated at 200W for 2 Channels, driving very difficult Sonus Faber Concerto Grand Pianos with ease. Airy and lots of headroom. Well Done NAD

Size it’s quite big and hefty

The punch, detail resolution, articulation, quietness, build quality, etc. There are too many strengths to mention with this product.

None.

I have a complete NAD Silver Series system (S170i, S250 and S570). The system is absolutely wonderful. I also have an NAD 925THX amp in another room. The S250 packs more punch and retains an extraordinary amount of detail. Although the amp is 5-channel, it does an admirable job on 2-channel music. For my tastes which are 80%-music 20%-movies, I find this amp and the Silver Series components an excellent choice.