No single best speaker here - they are built to different priorities, and the right one depends on your room, your amplifier and what you listen to.
| Area | Better | Why |
|---|
| Bass | B | Monitor Audio Radius 90 digs deeper - 80Hz against 95Hz. |
| Amplifier needs | evenly matched | Similar sensitivity (84dB vs 83dB) - both want much the same power. |
| Amplifier match | B | Monitor Audio Radius 90 is the easier load at 8 ohms. |
| Size | depends | DALI Fazon Mikro is easier to place; Monitor Audio Radius 90 is bigger, which usually goes with fuller bass. Your room decides. |
A DALI Fazon Mikro B Monitor Audio Radius 90
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?
Monitor Audio Radius 90 has the edge on paper, though the margin is not large. The rows marked "depends" may matter more to you than the score does. If a subwoofer is in your plans, the bass gap largely stops mattering - you would be crossing over above 95Hz anyway, so judge these on the other rows instead. In a large or open-plan room, Monitor Audio Radius 90 has the cabinet volume to fill it more easily; in a small room, near a wall or at desk distance, DALI Fazon Mikro 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.