No single best amplifier here. What decides it is what you have to drive, what you need to plug in, and how much of the system you want in one box.
| Area | Better | Why |
|---|
| Power | B | Audiolab 6000A has more power - 50W against 30W into 8 ohms. That is about 2.2dB, so it plays usefully louder before it runs out and has more in hand on peaks. |
| Room size | depends | We rate Schiit Aegir 2F the better fit for desk or near-field listening, and Audiolab 6000A for a very large room. Match the amplifier to the room you actually have, not the one you want. |
| Grip on hard loads | A | Schiit Aegir 2F holds up better into a 4-ohm load: its output increases strongly to 50W, where the other increases strongly. That matters with demanding speakers far more than the 8-ohm figure does. |
| Noise floor | A | Schiit Aegir 2F is the quieter design on paper - 122dB against 76dB. Audible mainly with sensitive speakers in a quiet room. |
| Built-in DAC | B | Audiolab 6000A has a DAC on board; the other needs an external one, which is another box, another power lead and another purchase. |
| Analogue inputs | B | Audiolab 6000A takes more analogue sources - 4 against 2. |
| Phono stage | depends | Audiolab 6000A has a built-in phono stage (MM) and Schiit Aegir 2F 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. |
| Headphones | depends | Only Audiolab 6000A has a headphone output. Worth something if you listen late, nothing if you never do. |
| Amplifier class | depends | Schiit Aegir 2F is Class A and Audiolab 6000A is Class A/B. Class A runs hot and is inefficient by design, in exchange for the simplest signal path; Class A/B runs warm and is the long-established mainstream choice. Modern examples of both measure well - judge by the rest of the page. |
| Shelf space | depends | Schiit Aegir 2F takes up about 53% less shelf area (755cm² against 1605cm²), and it is 29mm shallower, which is the measurement that decides whether a rack door shuts. |
| Price | B | Audiolab 6000A costs less - $899 against $949 at list. |
| Watts per dollar | B | Audiolab 6000A is the cheaper watt - about $18 per watt against $32. A blunt measure, and it says nothing about how either sounds, but it is the honest one for raw output. |
A Schiit Aegir 2F B Audiolab 6000A
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?
Audiolab 6000A has the edge on paper, though not by much. The rows marked "depends" are more likely to decide this than the score is. If your speakers are a difficult load - 4 ohms nominal, big woofers, or a sensitivity in the low 80s - Schiit Aegir 2F is the safer partner, because how an amplifier behaves when the impedance drops matters more than its 8-ohm rating. 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 - Audiolab 6000A has the headroom, and headroom is what stops an amplifier hardening up on peaks. At desk distance or in a small room, 30 watts is already more than most people ever use, and the extra 20 watts would be headroom you pay for and never hear.
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.