These are not the same size of amplifier: HiFi Rose RA280 has roughly 5x the power of HiFi Rose RS201E. That is about 7dB, so it is a question of room size and how hard your speakers are to drive, not of one being the better amplifier.
| Area | Better | Why |
|---|
| Power | A | HiFi Rose RA280 has more power - 250W against 50W into 8 ohms. That is about 7dB - a different class of amplifier rather than a bigger version of the same one, and far more than most rooms will ever ask for. |
| Grip on hard loads | evenly matched | Both behave much the same into 4 ohms - output barely increases (250W and 50W). |
| Noise floor | A | HiFi Rose RA280 is the quieter design on paper - 109dB against 100dB. Audible mainly with sensitive speakers in a quiet room. |
| Built-in DAC | B | HiFi Rose RS201E has a DAC on board; the other needs an external one, which is another box, another power lead and another purchase. |
| Streaming | evenly matched | Only HiFi Rose RS201E has Roon. Neither list is longer in a way that matters - check the one service you actually pay for. |
| Phono stage | depends | HiFi Rose RA280 has a built-in phono stage and HiFi Rose RS201E does not. Decisive if you own a turntable, completely irrelevant if you do not - and an outboard phono stage is easy to add later either way. |
| Room to grow | B | Only HiFi Rose RS201E offers preamp outputs - which decides whether you can add a subwoofer or a power amplifier later without replacing the box. |
| Headphones | depends | Only HiFi Rose RS201E has a headphone output. Worth something if you listen late, nothing if you never do. |
| Amplifier class | depends | HiFi Rose RA280 is Class AD and HiFi Rose RS201E is Class D. Class D runs cool and draws almost nothing at idle. Modern examples of both measure well - judge by the rest of the page. |
| Shelf space | depends | HiFi Rose RS201E takes up about 59% less shelf area (672cm² against 1638cm²), and it is 140mm shallower, which is the measurement that decides whether a rack door shuts. |
| Price | B | HiFi Rose RS201E costs less - $2,195 against $3,395 at list. |
| Watts per dollar | A | HiFi Rose RA280 is the cheaper watt - about $14 per watt against $44. A blunt measure, and it says nothing about how either sounds, but it is the honest one for raw output. |
A HiFi Rose RA280 B HiFi Rose RS201E
depends neither is better in the abstract - it turns on your room, your system or how you will use them. Only specs published for both amplifiers are judged; anything missing on either side is left out rather than guessed.
Which should you choose?
HiFi Rose RA280 is ahead, but on only 1 of the measured areas, and it costs about 55% more. That is a lot of money for a narrow margin - HiFi Rose RS201E is the sensible buy unless a specific feature above decides it for you. Start with the room. In a large or open-plan room, or with speakers that are hard to drive - low sensitivity, or an impedance that dips - HiFi Rose RA280 has the headroom, and headroom is what stops an amplifier hardening up on peaks. At desk distance or in a small room, 50 watts is already more than most people ever use, and the extra 200 watts would be headroom you pay for and never hear. If you play records, HiFi Rose RA280 saves you buying a phono stage; if you do not, ignore that row entirely.
What a spec sheet cannot show: how either sounds with your speakers, how the controls feel day to day, and what the app is like to live with - which is where most all-in-one amplifiers are actually won or lost. Power figures are the manufacturers' own and are not measured to a common standard, so treat small differences as noise. If you can hear both, that will tell you more than any row above.