Which combination is better ?

McIntosh Comb.

1--PC: MacBook > Benchmark Dock (Convertor) > Audio Research LS-26 (PreAmp) >McIntosh MC275v Tube (Power Amp)> DALI MS-5

2--PC: MacBook > Benchmark Dock (Convertor) > Audio Research LS-26 (PreAmp) >McIntosh MC275v Tube (Power Amp)> Peak Consult Incognito

AudioRearch Comb.

1--PC: MacBook > Benchmark Dock (Convertor) > Audio Research LS-26 (PreAmp) >Audio Research REF-110 (Power Amp)> DALI MS-5

2--PC: MacBook > Benchmark Dock (Convertor) > Audio Research LS-26 (PreAmp) >Audio Research REF-110 (Power Amp)> Peak Consult Incognito

My concern is which power amp and which speaker have an better coherence ?

According to these info bellow.

** MC-275v has 75W - 75W Mono Power Amps,
** AudioResearch has 150W Stereo power amp.