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Sonus Faber Sonus faber Gravis II Subwoofer Review

Main Features

  • 10" Treated Paper Woofer
  • 2 x 10-inch Passive Radiators
  • 350 watts RMS Output
  • 25-120 Hz Frequency Response
  • Weight: 47.30 lbs / 21.50kg
  • Dimensions (H x W x D): 16" x 14-1/16" x 17-1/8"
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Sonus faber Gravis II Subwoofer Review
Sonus faber Gravis II Sonus faber Gravis I...
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Gravis II is a Passive Radiator type Powered Subwoofer by Sonus Faber with a frequency range of 25-120 Hz. It features 1 x 10" Treated Paper Woofer, and powered by a Class AB 350 watts amplifier. Gravis II also employs 2 x 10-inch passive radiators.

Sonus faber Gravis II  Lifestyle
Sonus faber Gravis II Lifestyle


**This post contains affiliate links, and I will be compensated if you make a purchase after clicking through my links. As an Amazon Associate I earn from qualifying purchases.

Frequency Response

Sonus faber Gravis II has a Frequency response range of 25-120 Hz at ±3dB. With the help of its 1 x 10-inch driver and 350 watts RMS amplifier, the Gravis II can go as low as 25 Hz which doesn't quite offer full range sound (20Hz-2kHZ) but it gets really close. Here we have a comparison of how Gravis II's Low and High frequency values compare with the average, max and min Low and High frequency values in its class.

Low Frequency
Powered Subwoofers
Sonus faber Gravis II
Min
Average
Max
High Frequency
Subwoofer Speakers
Sonus faber Gravis II
Min
Average
Max

Among all subwoofers in our database with a max MSRP price of 1500$, these are the 5 Powered Subwoofer models that can reach deeper bass levels than the Sonus faber Gravis II's 25Hz:

  • GoldenEar SuperSub X with Low Frequency of 12 Hz (Compare w/ Gravis II)
  • GoldenEar ForceField 40 with Low Frequency of 14 Hz (Compare w/ Gravis II)
  • GoldenEar ForceField 4 with Low Frequency of 14 Hz (Compare w/ Gravis II)
  • SVS PB-2000 Pro with Low Frequency of 16 Hz (Compare w/ Gravis II)
  • SVS PC-2000 Pro with Low Frequency of 16 Hz (Compare w/ Gravis II)

Low-Pass Crossover

Sonus faber Gravis II has a variable Low-pass filter (LFP) which lets you choose a frequency level between 30-120 Hz in order to block any frequencies above that point from reaching the amplifier.

Sonus faber Gravis II Back View
Sonus faber Gravis II Back View

Inputs and Outputs

  • PreampLevel Inputs: LFE, Mono-RCA
  • SpeakerLevel Inputs: Neutrik 4-pole Speak
  • SpeakerLevel Outputs: No
  • Wireless: No

Sonus faber Gravis II External Dimensions and Weight

Sonus faber Gravis II has external dimensions of (Height x Width x Depth) 16inch x 14-1/16inch x 17-1/8inch (407.0 x 358.0 x 435.0mm ).

Base Surface Area
Base surface area of a loudspeaker may become a determining factor when the space in your room or desk is limited. The base area of Sonus faber Gravis II is approximately 1557.3cm2 / 241.4inch2.

Weight

The Sonus faber Gravis II weighs 21.50kg / 47.3lbs. Weight of a subwoofer is an important factor when you need to move and reposition the unit often to find the optimal positioning, also known as 'Subwoofer Crawling'. Here is a comparison of how Gravis II's weight compares with the average, max and min weights in its class.

Weight
All Subwoofer Speakers
Sonus faber Gravis II
Min
Average
Max
Weight
Subwoofer Speakers under $1500
Sonus faber Gravis II
Min
Average
Max

Cabinet type and Materials

Sonus faber Gravis II has a Passive Radiator type cabinet.

Port Position

Sonus faber Gravis II is a front-firing port speaker , which gives you more flexibility compared to rear firing speakers when you need to place it close against a wall or other surfaces.

Available colors

Sonus faber Gravis II is available in Piano Black and Matte White.

Does the Sonus faber Gravis II come with a Grille?

Gravis II comes with grilles in Black color choices. The purpose of the grille is to protect the delicate driver elements from external impacts while still allowing the sound to pass as clearly as possible.

Sonus faber Gravis II  with Grille
Sonus faber Gravis II with Grille

What's in the Box of Sonus faber Gravis II?

Here are the items that are included inside the box of Gravis II:
  • Powered subwoofer
  • Grille
  • 6-feet AC power cord
  • 33-feet Speakon cable
  • Owners Manual
  • Environmental Information
  • Recommended Accessories

    Here is a list of accessories that we think you may need for the Sonus faber Gravis II.

    • Vibration Isolators: IsoAcoustics isolators more affordable options too.
    • Acoustic Panels and Treatments: Your room is as important as your stereo equipment so acoustic treatments goes a long way in improving the overall performance.

    User's Manual

    For more information about how to setup, use and maintain the Sonus faber Gravis II, use the direct link below to download the official manual document:
    Download User Manual for Sonus faber Gravis II

    Official Product Page

    Official manufacturer's product page for the Sonus faber Gravis II speaker can be found below:
    Official Product Page for Sonus faber Gravis II

    Warranty

    2 Yr/3 Yr registered of parts warranty and 2 Yr/3 Yr registered of labor warranty is generally provided by the manufacturer.

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    Frequently Asked Questions about Sonus faber Gravis II
    What is the External Dimensions of Sonus faber Gravis II
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