Compare Amphion Helium520C vs Sonus Faber Sonetto Wall vs Sonus faber Sonetto Center II

Speaker: White, Black, or Walnut / Grilles: Stone grey, Traffic red, heather violet, Turquoise blue, Sky blue, Yellow green, Sulfur yellow, Beige brown

Matte White, Piano Black, Wood, Wenge

Matte White, Piano Black, Wood, Wenge

2x 150mm Custom diaphragm made with cellulose pulp and other natural fibers

1x 1" titanium tweeter

1x 29mm DAD driver w/ DKM dome diaphragm

1x 29mm DAD driver w/ DKM dome diaphragm

2x 5.25" paper woofer

1x 150mm Custom diaphragm made with cellulose pulp and other natural fibers + 1x 150mm passive radiator

2x 150mm Custom diaphragm made with cellulose pulp and other natural fibers

Center channel loudspeaker

Wall-mount loudspeaker

Center channel loudspeaker

2-way, bass reflex

2-way, passive radiator

3-way, bass-reflex

265 mm (10.5")

7 in (163 mm)

16 in (409 mm)

160 mm (6.5")

20 in (500 mm)

12 in (289 mm)

510 mm (20")

12 in (291 mm)

30 in (743 mm)

10 kg (22 lbs)

10.5 lbs (4.8 kg)

35.7 lbs (16.2 kg)

1600 Hz

3800Hz

220Hz, 1650Hz

48Hz - 25kHz (-6dB)

60Hz-25kHz

42Hz-25kHz

8 ohms

4 ohms

4 ohms

10-150 W

30-150W

50-300W

90 dB

89 dB

91 dB

2017-12 (redesigned)

2018

2018

Finland (handmade)

Italy (handmade)

Italy (handmade)