Sonus Faber Gravis I
Sonus Faber Gravis I
Sonus Faber Gravis I
Sonus Faber Gravis I
Sonus Faber Gravis I

Sonus Faber Gravis I

850 €
VAT included
active subwoofer

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The Gravis I is the result of a project whose objective was to create a versatile product that could be perfectly integrated into any residential space. And, furthermore, it could be ideally adapted not only to the speakers of the new Sonetto range from Sonus Faber , but also to practically any type of musical and audiovisual reproduction system.

Thus, the Gravis I can be defined as a great solution for those looking for precise bass extension in medium-sized listening rooms. It is a relatively compact subwoofer that represents an ideal compromise between size and performance, combining a 203 mm diameter lower emission woofer with a 150W continuous Class AB amplifier, which allows it to provide bass with precision and expressiveness. far superior to those of designs in its category.

An engineering detail of the Gravis I that deserves to be highlighted is the fact that the preamplification stage it includes has been developed specifically for it. Additionally, the rear panel features comprehensive connectivity with separate volume controls for the High Level and Line/LFE inputs, to facilitate seamless integration into both Hi-Fi and Home Theater equipment.

So, while the High Level connection allows seamless mixing with the main speakers for music playback, the LFE input can be used simultaneously to provide a highly immersive cinematic experience.


  • High-performance subwoofer and exceptional quality/price ratio.
  • Ideal to combine with the speakers from the Sonetto collection.
  • Hermetic enclosure, with 203 mm (8”) speaker and lower emission.
  • Transducer with treated paper cone.
  • Internal 150W continuous amplifier configured in Class AB.
  • Lower cut-off point of the frequency response curve: 30/40 Hz.
  • Continuously adjustable lower cutoff frequency between 30 and 120 Hz.
  • High Level, Line and LFE Inputs.
  • Possibility of simultaneous connection of the High Level and LFE inputs.
  • Protected against short circuits, overheating and DC drifts.
  • Designed and built entirely in Italy.
  • Dimensions: 286 x 334 x 316 mm (W x H x D) (feet included)
  • Weight: 14.5kg.
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