https://www.cnet.com/news/the-prefect-component-for-audiophiles-who-love-headphones-and-speakers-equally/

SPL stands for Sound Performance Lab, and it's been making professional recording gear in Germany since the late 1970s, but to be honest I'd never heard of them. No matter -- when I spotted their slick-looking Phonitor X headphone amp at the Axpona audio show I just had to get it in for review. I admit I just have a thing for components with meters, even if they don't serve any rational purpose. Reviewed as tested, the Phonitor X's price is $3,299/£1,883, and that price includes the optional digital converter; it's $2,799/£1,577 without the converter.

Measuring 10.9 by 3.6 by 12.7 inches (278 by 100 by 335 mm), the Phonitor X is smaller than your average stereo preamp. My review sample had the snazzy red faceplate which looks cool, but red makes it difficult to read the labels under each of the controls. If I bought a Phonitor X I'd get it with the silver faceplate. It also comes in black.