

gravis I
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GRAVIS I Sealed box loading, down-firing active subwoofer: £895/unit
Compact Power and Precision
The Gravis I subwoofer embodies Sonus Faber’s commitment to delivering exceptional low-frequency performance in a compact and elegant design. Tailored to complement any audio system, it provides a seamless extension of bass frequencies, enriching the depth and dimension of music and cinematic experiences alike.
Key Features:
Elegant design inspired by Sonus Faber’s signature craftsmanship.
Elegant design inspired by Sonus Faber’s signature craftsmanship.
Compact 8-inch driver delivers precise and impactful bass.
Class AB built-in amplifier ensures dynamic and controlled low frequencies.
Customisable settings for crossover, phase, and volume.
Seamlessly integrates with stereo and multi-channel systems.
The Gravis I subwoofer combines refined aesthetics with exceptional performance, offering an effortless upgrade to your audio system. Experience deep, immersive bass in a compact and elegant package.The Gravis I subwoofer is more than an audio accessory—it is a gateway to experiencing sound with greater emotion, impact, and realism. Whether enhancing your favourite music or adding cinematic drama to your home theatre, the Gravis I delivers unparalleled performance in a design that only Sonus Faber can achieve.





Design Excellence
Crafted with the unmistakable Sonus Faber aesthetic, the Gravis I features sleek lines and a luxurious finish that blends effortlessly into any space. The subwoofer’s refined design ensures it is as much a statement of style as a functional component of high-fidelity audio systems.

Performance Beyond Size
Equipped with a high-performance 8-inch driver, the Gravis I delivers powerful, articulate bass that defies its compact dimensions. Paired with a meticulously engineered amplifier, it achieves dynamic precision and impactful low-frequency reproduction, enhancing both music and home cinema experiences.
User-Friendly Integration
The Gravis I is designed for ease of use and versatility, integrating seamlessly into existing setups. Adjustable crossover and volume controls allow for fine-tuned customisation, ensuring optimal performance tailored to your unique listening environment. Its connectivity options support compatibility with a wide range of systems, making it an ideal addition to both stereo and multi-channel configurations.
Useful Documentation - GRAVIS I
GRAVIS I SPECIFICATIONS
System:
Closed box loading, down-firing active subwoofer
Loudspeakers:
Sw: Ø 210 mm, very long throw, treated paper cone,
wide rubber surround woofer
Onboard amplifiers:
High linearity Class AB
150 W rms, 250 W (peak)
Mains Input Voltage:
Factory selected, 120 Vac – 60 Hz or 230 Vac - 50 Hz
Audio Input / Output:
LFE (Low Frequency Effect) - mono RCA plug; LINE - mono RCA plug; HIGH LEVEL - Neutrik 4-pole Speakon©
Power consumption:
0.5 W (Stand-by)
200 W (Rated power)
Decoupling Systems:
Rubber pad
Product dimensions (HxWxD):
334 x 286 x 316 mm / unit
13,1 x 11,2 x 12,4 in / unit
Dimensions with packaging (HxWxD):
447 x 437 x 418 mm / unit
17.6 x 17.2 x 16.5 in / unit
Weight:
14 Kg / unit
30.9 lb / unit
Packaging weight:
17,6 Kg / unit
38.8 lb / unit
Cabinet:
Squared shape
Oper pore/ matte/ high gloss wood
Black leather
Fuse:
Factory selected
T4.0A (110 Vac, 60 Hz); T2.0A (230 Vac, 50 Hz)
Controls:
Independent Master and LFE volume controls
Continuously adjustable Crossover frequency (30 to 120
Hz), slope 24 dB / oct
Signal phase inversion switch (0/180°)
Auto switch - on / off (deselectable)
FINISHES:
White, Black, Walnut, Wenge
warranty:
3 Years