Different kinds of product: one is active with its amplifier built in, the other passive and needs one. Judge them on how you want to own the system, not just the specs.
| Area | Better | Why |
|---|
| Bass | evenly matched | Much the same reach (43Hz vs 45Hz). |
| What you buy | depends | Fyne Audio Cubitt 5 is a complete system - just add a source. AE500 also needs an amplifier: more money and another box, but you choose it. |
| Connections | depends | With AE500 that all comes from the amplifier you pair it with. |
| Upgrade path | depends | AE500 can be re-amped later and outlive several amplifiers; Fyne Audio Cubitt 5 ages as one unit. |
| Size | depends | Fyne Audio Cubitt 5 is easier to place; AE500 is bigger, which usually goes with fuller bass. Your room decides. |
| Price | A | Fyne Audio Cubitt 5 is cheaper - $899 against $1,499, about 40% less; arguably a different class. And that is the whole system. |
A Fyne Audio Cubitt 5 B AE500
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 speakers are judged; anything missing on either side is left out rather than guessed.
Which should you choose?
Fyne Audio Cubitt 5 suits you if you want one box, ready to play, with nothing else to buy. AE500 suits you if you already have an amplifier, want to choose the electronics, or expect to upgrade in stages. Neither is the better speaker in the abstract. Match it to your room: we rate Fyne Audio Cubitt 5 the better fit for near-field listening; elsewhere the two are rated the same. In a large or open-plan room, AE500 has the cabinet volume to fill it more easily; in a small room, near a wall or at desk distance, Fyne Audio Cubitt 5 is the easier speaker to get right.
And remember what a spec sheet cannot show: how each looks in your room and whether the finish suits it, what dealer support and warranty are like where you live, and how they actually sound to you. If you can hear them first - ideally with your own music - that will tell you more than any number above.