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Sonus Faber Sonetto III Review
Sonus Faber Sonetto III

Main Features

  • 1.15" high definition DAD Dome Tweeter
  • 6" cellulose pulp and other natural fibers Midrange
  • 2 x 6" aluminum cone Woofer
  • 42-25k Hz Frequency Response
  • 89 dB Sensitivity
  • Impedance: 4ohms
  • Power Range: 50-250watts
  • Weight:35.20 lbs / 16.00 kg
  • Dimensions(HxWxD): 40"x9"x12" / 1018.0 x 219.0 x 305.0mm
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Sonus Sonetto III Review

Sonus Faber Sonetto III is a 3-way Passive Bass Reflex Floor-standing speaker by Sonus Faber. It features a 1.15" high definition DAD Dome Tweeter, 1 x 6" Midrange and 2 x 6" aluminum cone Woofer. The speaker has a frequency range of 42-25k Hz and a sensitivity of 89 dB.

What size of room is the Sonus Sonetto III speaker good for?

The size of the room in which you are planning to use the Sonus Sonetto III is an important decision factor. Here we have evaluated its suitability to various sizes of environments considering its size and max power parameters:

Listening Environment* Suitability
Near-fieldBad
Small RoomPoor
Mid-size RoomAverage
Large RoomGood
Very Large RoomAverage

(* Approximate Room sizes: Small < 100sq. ft / 9 m2, Mid-size: 100-220 sq. ft / 9-20 m2, Large 220-400 sq. ft / 20-36 m2, Very Large: > 400 sq. ft / 36 m2. Average Floor Height: 9" / 2.7m. Typical room sizes differ from country to country, and the actual listening experience changes depending on floor height, room shape, surface materials, listening position, speaker locations, etc.)

What are the speakers in Sonus Faber's Sonetto Series?

Sonetto III is a member of Sonus Faber's Sonetto series of Passive speakers. Below you can see the main specs of these speakers.

Sonus Faber Sonetto Series Speakers
Model Frequency SensitivityImpedance Woofer
Sonus Sonetto III
42-25k Hz 89 dB4Ω 2 x 6"
Sonus Sonetto V
Compare
38-25k Hz 90 dB4Ω 2 x 7"
Sonus Sonetto II
Compare
42-25k Hz 87 dB4Ω 1 x 6.5"
Sonus Sonetto VIII
Compare
36-25k Hz 90 dB4Ω 3 x 7"
Sonus Sonetto I
Compare
45-25k Hz 87 dB4Ω 1 x 6"
Sonus Sonetto Center II
Compare
42-25k Hz 91 dB4Ω 2 x 6"
Sonus Sonetto Center I
Compare
60-25k Hz 90 dB4Ω 2 x 6"
Sonus Faber Sonetto Series Speakers
Sonus Faber Sonetto Series Speakers


**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.

What is the Frequency Response of the Sonus Sonetto III speaker?

Sonus Sonetto III has a Frequency response range of 42-25k Hz at ±3dB and Power Range of 50-250 watts. At a minimum frequency of 42 Hz, Sonetto III will provide a deep bass that will probably satisfy majority of listeners, especially for music. Movie lovers and music listeners who like to experience a full range response will still benefit from the use of a subwooofer though.

Visit our Powered Subwoofers section to find out more about the available subwoofer options.
Here we have a comparison of how Sonetto III's Low and High frequency values compare with the average, max and min Low and High frequency values in its class.
Low Frequency
Floor-standing Speakers
Sonus Sonetto III
Min
Average
Max
High Frequency
Floor-standing Speakers
Sonus Sonetto III
Min
Average
Max


What is the Crossover frequency of Sonus Sonetto III?

Sonetto III is a 3-way speaker and its crossover frequency between the woofer and the midrange set to 220Hz and the Crossover frequency between the midrange and the tweeter is set to 3250Hz.

What are the Impedance and Sensitivity of the Sonus Sonetto III? Is it an easy-to-drive speaker?

Sonus Sonetto III's nominal impedance level is 4 ohms and has a sensitivity of 89 dB.

Sensitivity
Floor-standing Speakers
Sonus Sonetto III
Min
Average
Max

Nominal Impedance of 4 Ohms means that the Sonus Faber Sonetto III is a difficult to drive speaker from nominal Impedance perspective, make sure that you choose an amplifier than can provide 4 Ohms for this speaker.
Many AVRs (audio/video receiver) in the market may have difficulty when the speakers dip below the 4 Ohms levels (this may cause clipping or even physical damage), so we recommend to not pair the Sonus Faber Sonetto III with an AVR but use an Integrated Amplifier instead.

Sensitivity

89dB of Sonus Faber Sonetto III is an average sensitivity for stereo speaker so it is neither easy nor difficult to drive Sensitivity wise.

Check the amplifiers that are in a similar price range to the Sonus Sonetto III:

  • Integrated Amps under USD
  • Integrated Amps under USD
  • Integrated Amps under 500 USD
  • All Integrated Amplifiers

Input Type

Sonetto III has Binding post type connectors and lets bi-amping/bi-wiring. Bi-wiring can provide improvements in the overall transparency of your loudspeakers by running separate speaker wires to the low & high frequency drivers from a single amplifier. Bi-amping allows the use of separate amplifiers for the high & low frequency drivers of your loudspeaker which may result in greater dynamic range & lower distortion.

Sonus Sonetto III Back View
Sonus Sonetto III Back View

Sonus Sonetto III External Dimensions and Weight

Sonus Sonetto III has external dimensions of (Height x Width x Depth) 40 x 9 x 12inch (1018.0 x 219.0 x 305.0mm ).

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 Sonetto III is approximately 668.0cm2 / 103.5inch2.

Weight

The Sonus Sonetto III weighs 16.00kg / 35.2lbs per piece. Here is a comparison of how Sonetto III's weight compares with the average, max and min weights in its class.

Weight
All Floor-standing Speakers
Sonus Sonetto III
Min
Average
Max

How does the Sonus Sonetto III compare to the Sonus Faber Sonetto V?

One of the natural alternative to the Sonus Sonetto III is the Sonetto V which is located one step higher in Sonus Faber's Passive Floor-standing selection.

Check the Detailed Comparison of Sonus Sonetto III vs Sonetto V for more details.

Cabinet type and Materials

Sonus Sonetto III has a Bass Reflex type cabinet. Bass Reflex type loudspeakers (aka Ported, Vented or Reflex Port) have enclosures that uses a port, hole or vent cut into the cabinet. Ported designs are generally more efficient than the Sealed designs.

Speaker Feet

Sonus Sonetto III comes with the parts below which you can use to secure your loudspeaker on the surface that you are putting on:
  • 8 Spikes
  • 8 Under spikes
  • 8 Spikes locks
  • It is always recommended to use some kind of feet under all types of speakers. Besides limiting the movement of the speakers, it also compensates for non-flat surfaces and limits the contact surface area of the speaker. Rubber based feet also help isolating the vibrations within certain frequency ranges.

    Sonus Sonetto III  Feet
    Sonus Sonetto III Feet

    Port Position

    Sonus Sonetto III is a bottom-firing port speaker

    Available colors

    Sonus Sonetto III is available in Wood, White, Black and Wenge.

    What's in the Box of Sonus Sonetto III?

    Here are the items that are included inside the box of Sonetto III:
  • 8 Spikes
  • 8 Under Spikes
  • 8 Spike locks
  • 2 Masks
  • 2 Fabric dust guards
  • 2 Basis
  • 16 Locking screws
  • 2 Jumpers
  • 1 Allen Wrench
  • 1 Manual
  • User's Manual

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

    Official Product Page

    Official manufacturer's product page for the Sonus Faber Sonetto III speaker can be found below:
    Official Product Page for Sonus Sonetto III

    Related Videos

    Sonus Sonetto III  Lifestyle
    Sonus Sonetto III Lifestyle

    Sonus Faber Sonetto III Alternatives in Passive Floor-standing Speakers
    Model Type Sensitivity Impedance Frequency
    Klipsch R-620F
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    Triangle Borea BR07
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    3-way 91 dB 8 ohms 44 - 22k Hz
    Polk R700
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    Klipsch R-820F
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    2-way 97 dB 8 ohms 35-21k Hz
    Polk S60
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    2-way 90 dB 8 ohms 26-40k Hz
    B&W 702 S3
    Compare
    3-way 90 dB 8 ohms 46-28k Hz
    Polk RTi A5
    Compare
    2-way 90 dB 8 ohms 40-26k Hz
    Klipsch R-625FA
    Compare
    2-way 96 dB 8 ohms 38-21k Hz
    Klipsch RP-8000F II
    Compare
    2-way 98 dB 8 ohms 32-25k Hz
    Klipsch R-610F
    Compare
    2-way 94 dB 8 ohms 45-21k Hz
    Frequently Asked Questions about Sonus Faber Sonetto III
    What is the External Dimensions of Sonus Faber Sonetto III
    What is the Speaker Sensitivity of Sonus Faber Sonetto III
    is the Sonus Faber Sonetto III an easy to drive speaker?



    Sonus Sonetto III Detailed Specifications

    General
    BrandSonus Faber
    Full Model NameSonus Faber Sonetto III
    Speaker Type3-way Floor-standing
    Power Range50-250 watts
    Sensitivity89 dB
    Impedance4 ohms
    Frequency Response42-25k Hz
    DRIVERS
    Woofer Size6-inch
    Woofer Compositionaluminum cone
    Tweeter Size1.15-inch
    Tweeter Typehigh definition DAD Dome
    Midrange Size6-inch
    Crossover freq220 and 3.250 Hz
    Port Positionbottom

    CONNECTIONS
    Connector TypeBinding post
    Biamp InputsYes
    Port Positionbottom
    PHYSICAL SPECS
    Height1018.0mm ( 40-inch)
    Width219.0mm ( 9-inch)
    Depth305.0mm ( 12-inch)
    Height1018.0mm ( 40-inch)
    Weight16.00kg ( 35.20 lbs)
    EnclosureBass Reflex
    Available ColorsWood, White, Black, Wenge
    Moisture ResistanceNo
    OTHER
    Handheld RemoteNo
    Parts Warranty
    Labor Warranty
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