Rated 40W, maximum 80W (8 ohms), suitable for home use, equipped with 100W power amplifier, best sound quality. But the volume needs to be controlled within 40W.
The maximum is 40W (8 ohms), which is also suitable for home use. The power amplifier should be smaller and equipped with a 40W power amplifier.
Home use is a small room within 20 square meters.