Sonus faber
Gravis III
- Sealed box loading, single driver, active subwoofer — SYSTEM
- Sw: Ø 250 mm, long throw, sandwich honeycombcone, wide rubber surround LF unit — SPEAKERS
- High performance Class AB600 W rms, 900 W (peak) — AMPLIFICATION
Pairs well with
In stock! Ships within 1-2 business days.
90-day risk-free trial
2-Year Warranty
Complimentary shipping & returns
If you have any questions, you are always welcome to contact us. We'll get back to you as soon as possible, within 24 hours on weekdays.
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Shipping Information
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Customer Support
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FAQ’s
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Contact Us
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Overview
THE ULTIMATE DEPTH
Exemplifying unmatched power and elegance, the Gravis III active subwoofer is meticulously crafted to deliver striking bass performance. It seamlessly harmonizes with various sound systems and shares both an acoustic and visual affinity with the Sonus faber Olympica Nova collection.
ICONIC SONUS FABER DESIGN
Each subwoofer boasts an artisan-crafted wooden or lacquer top, enhancing its aesthetic allure. With its sleek, unembellished body, the design radiates a sense of purity and sophistication, complemented by Sonus faber’s signature leather finish on the sides.
Gravis III Specs Highlights
NATURAL SOUND WITH POWER & DEPTH
EXPERTISE AND ARTISANSHIP
Gravis melds decades of Sonus faber design and audio expertise into a contemporary package, enhancing the depth and clarity of our Natural Sound signature in a seamlessly integrated design.
The Pursuit of Depth
Specifications
- System
- Sealed box loading, single driver, active subwoofer
- Loudspeakers
- Sw: Ø 250 mm, long throw, sandwich honeycombcone, wide rubber surround LF unit
- Frequency response
- @ - 6dB acoustic Linkwitz 4th order roll-on, default settingfrom 25 Hz to Fc (user continuously adjustable)
- On board amplifiers
- High performance Class AB600 W rms, 900 W (peak)
- Power consumption
- < 2 W (Stand-by)700 W (Rated power)
- Audio Input / Output
- 2x LINE (unbalanced), Left and Right/LFE - RCA plugsLINE (balanced) - XLR plugHIGH LEVEL - Neutrik 4-pole Speakon© plug
- Mains Input Voltage
- 100 - 120 Vac – 50 / 60 Hz or 220 - 240 Vac – 50 / 60 HzFactory selected
- Decoupling Systems
- Rubber pad
- Product dimensions (HxWxD)
- 415 x 400 x 495 mm / unit16.3 x 15.7 x 19.5 in / unit
- Dimensions with packaging (HxWxD)
- 540 x 590 x 510 mm / unit21.3 x 23.2 x 20.1 in / unit
- Weight
- 26,7 Kg / unit58.8 lb / unit
- Packaging weight
- 38 Kg / unit83.8 lb / unit
- Cabinet
- Squared shapeSemi gloss/ high gloss woodBlack leatherAluminum
- Fuse
- T6.3A L250V (100 -120 Vac – 50/60 Hz)T3.15A L250V (220 -240 Vac – 50/60 Hz)
- Controls
- Direct access Master volume.APP control featuring: 4 selectable presets, volume, continuously adjustable crossover frequency (40 to 150 Hz , filtering slope 24 dB/oct); continuously adjustable signal phase (0° to 360°); up to 8 parametric EQ filters, delay (1 to 20 ms); automatic room calibration; selectable threshold auto power on/off
Downloads & Documentation
FAQs
Please read our FAQs page to find out more.
Do you price match?
Yes. We match any authorised dealer, including big-box retailers. If you find the same product at a lower price, contact us and we'll match it.
Do you offer free shipping?
Yes — free shipping on every order, with 2-day delivery available on most products. Easy returns and exchanges are included.
Where is your showroom?
We're at 6362 Alder Drive, Houston, Texas. The showroom lets you hear and compare reference-level systems in person before making any decisions. If you're considering a larger purchase or installation, it's well worth the visit.
Can I buy online without visiting the showroom?
Yes. The full product range is available through the online store with free nationwide shipping. For more complex system builds, speaking with one of our advisers first tends to lead to a better result.
Do you offer financing?
Yes. Special financing is available through the BrandSource Credit Card for qualifying purchases, allowing you to spread payments over time with no annual fee. Promotional rebate savings are also available periodically. See the financing page for full details.
Do you install systems as well as sell equipment?
Yes — installation is central to what we do. We design and install whole-home audio and video, home theaters, media rooms, outdoor audio, lighting and motorised shades, and full smart home automation.
Do you provide support after installation?
Yes. We provide ongoing service and support to ensure systems continue performing as intended — not just on installation day, but over the long term.