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  1. Home
  2. Focal Speakers
  3. Passive Bookshelf Speakers
  4. Focal Sib-T
Focal Sib-T Review
Focal Sib-T - Front View

Compare To

Main Features

  • .75" Dome Tweeter
  • 5.125" Polyflex Woofer
  • 80-20kHz Frequency Response
  • 90 dB Sensitivity
  • Impedance: 4ohms
  • Weight: 5.72 lbs / 2.60 kg
  • Dimensions(HxWxD): 2-1/2"x5-5/8"x6-11/16" / 64.0 x 143.0 x 170.0mm
MSRP: $349 (list price)
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Focal Sib-T Review
Focal Sib-T Focal Sib-T
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Made by Focal · France · since 1979 · sold through dealers

Focal Sib-T is a 2-way Passive Bass Reflex Bookshelf speaker by Focal. It was released in 2017. It features a .75" Dome Tweeter and 1 x 5.125" Polyflex Woofer. The speaker has a frequency range of 80-20kHz and a sensitivity of 90 dB. Focal Sib-T has an MSRP of 698$ per pair but can often be found around 198$ per pair.

Focal's Sib Series of Loudspeakers

Sib-T is a member of Focal's Sib series of Passive speakers. The Sib range are Focal's compact satellite speakers for home-theatre packages. Below you can see the main specs of these speakers.

Focal Sib Series Speakers
Model Frequency SensitivityImpedance Woofer
Focal Sib-T
80-20k Hz 90 dB4Ω 1 x 5.125"
Focal Sib Evo
Compare
70-25k Hz 90 dB6Ω 1 x 5"


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

Frequency Response of the Focal Sib-T Speaker

Focal Sib-T has a Frequency response range of 80-20kHz. With a minimum frequency of 80 Hz, it is hard to expect a strong bass response from Sib-T so depending on your use case, using a subwoofer will significantly help to widen the response range.

Here we have a comparison of how Sib-T's Low frequency value compares with the average, max and min Low frequency values in its class.
Low Frequency
Bookshelf Speakers
Focal Sib-T
Min
Average
Median
Thinking about a subwoofer for the Focal Sib-T?
  • Work out the crossover setting — it follows from this speaker's 80 Hz low end
  • Powered subwoofers under $750 — a similar price range to these speakers
  • Every powered subwoofer we cover, whatever the budget

Impedance and Sensitivity

Focal Sib-T's nominal impedance level is 4 ohms and has a sensitivity of 90 dB.

Sensitivity
Bookshelf Speakers
Focal Sib-T
Min
Average
Median

Nominal Impedance of the 4 Ohms means that the Focal Sib-T 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 Focal Sib-T with an AVR but use an Integrated Amplifier instead.

Sensitivity

90dB of the Focal Sib-T is an average sensitivity for stereo speaker so it is neither easy nor difficult to drive Sensitivity wise. Work out how loud the Focal Sib-T plays in your room →

Running more than one pair from a single amplifier? Check the load it would present →

What amplifier does the Focal Sib-T need?

At normal listening levels in a medium room, about 15–240 W per channel into 4 ohms. Set your own conditions and we will rank every amplifier we cover.

We check power, impedance safety and current delivery — not just watts.

Prefer to browse? Integrated amplifiers under $750, or every amplifier we cover.

Input Type

Sib-T features Spring posts type connectors. Bi-amping and Bi-wiring are not possible.

Work out what gauge speaker cable this run needs →

Focal Sib-T Back View
Focal Sib-T Back View

Focal Sib-T External Dimensions and Weight

Focal Sib-T has external dimensions of (Height x Width x Depth) 2-1/2 x 5-5/8 x 6-11/16inch (64.0 x 143.0 x 170.0mm ).

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 Focal Sib-T is approximately 243.1cm2 / 37.7inch2.

Find speakers that fit your shelf or alcove →  ·  Work out where they should sit in the room →

Weight

The Focal Sib-T weighs 2.60kg / 5.7lbs per piece. Here is a comparison of how Sib-T's weight compares with the average, max and min weights in its class.

Weight
All Bookshelf Speakers
Focal Sib-T
Min
Average
Median
Weight
Bookshelf Speakers under $750
Focal Sib-T
Min
Average
Max

Cabinet type and Materials

Focal Sib-T has a Bass Reflex type cabinet and a Plastic finish. 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.

Available colors

Focal Sib-T is available in White.

Wall Mounting

Sib-T has Yes mounting bracket that makes it possible to mount on walls and similar surfaces easily.

What's in the Box of Focal Sib-T?

Here are the items that are included inside the box of Sib-T:
  • One 100V/4-ohm commercial speaker
  • Adjustable mounting bracket (installed)
  • 3 Drywall anchors w/ 2 screws
  • 5mm Allen key (attached to mounting bracket)
  • User manual

Recommended Accessories

Here is a list of accessories that we think you may need for the Focal Sib-T.

  • Speaker Cable and Connectors
    • Speaker Cables with Banana Plugs: If you know the lenght of the cable you need, this is the easier option to connect your speakers with your amp.
    • Speaker Cables without Connectors: If you are not sure about the lenght or need longer than standard cables with plugs, choose this option.
    • Banana Connectors and Plugs: If you chose the cables without connectors option or already have some cable around, pick the banana plugs separately.
  • Vibration Isolators: IsoAcoustics isolators are our favorite isolators but you may find 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.
  • Speaker Stands: Stands bring your bookshelf speakers to ideal height (rule of thumb is to have the tweeter level with your ear in your listening position), helps stability and acoustical isolation.

Warranty

5 Years of parts warranty and 5 Years of labor warranty is generally provided by the manufacturer.

Focal Sib-T Alternatives in Passive Bookshelf Speakers
Model Type Sensitivity Impedance Frequency
Focal Sib Evo
Compare
2-way 90 dB 6 ohms 70-25k Hz
Polk ES20
Compare
2-way 86 dB 8 ohms 41-40k Hz
Klipsch R-51M
Compare
2-way 93 dB 8 ohms 62-21k Hz
KEF Q150
Compare
2-way 86 dB 8 ohms 51-28k Hz
Klipsch RP-500M
Compare
2-way 93 dB 8 ohms 48-25k Hz
Klipsch RP-400M
Compare
2-way 93 dB 8 ohms 52-25k Hz
B&W 606 S2
Compare
2-way 88 dB 8 ohms 52-28k Hz
Wharfedale LINTON
Compare
3-way 90 dB 6 ohms 40-20k Hz
Frequently Asked Questions about Focal Sib-T

What amplifier do you need for the Focal Sib-T?

The Focal Sib-T is a 4-ohm speaker, a demanding load that wants an amplifier rated to drive 4 ohms - many budget receivers are not.

Is the Focal Sib-T easy to drive?

The Focal Sib-T has a sensitivity of 90 dB. That is high: it goes loud on modest power, so it suits low-powered amplifiers, including valve/tube designs.

Does the Focal Sib-T need a subwoofer?

The Focal Sib-T reaches down to 80Hz (full range 80-20kHz). That leaves the lowest octaves out, so a subwoofer will make a clear difference for films and bass-heavy music.

What drivers does the Focal Sib-T use?

The Focal Sib-T is a 2-way design using a .75" Dome tweeter and a 5.125" Polyflex woofer.

Is the Focal Sib-T sealed or ported?

The Focal Sib-T uses a Ported enclosure. A ported design uses a tuned vent to get more low-end output from the same driver, but it wants some breathing room behind it.

Can the Focal Sib-T be bi-wired or bi-amped?

No. The Focal Sib-T has a single pair of terminals, so bi-wiring and bi-amping are not possible. It uses Spring posts terminals.

Can the Focal Sib-T be wall mounted?

Yes. The Focal Sib-T includes a wall-mount bracket.

How big and heavy is the Focal Sib-T?

The Focal Sib-T weighs 2.60kg / 5.7lbs each and measures 2-1/2 x 5-5/8 x 6-11/16inch (HxWxD).

How much does the Focal Sib-T cost?

The Focal Sib-T has a manufacturer's list price (MSRP) of $698 per pair.


Focal Sib-T Detailed Specifications

General
BrandFocal
Full Model NameFocal Sib-T
Speaker Type2-way Bookshelf
Sensitivity90 dB
Impedance4 ohms
Frequency Response80-20kHz
Release Date2017
DRIVERS
Woofer Size5.125-inch
Woofer CompositionPolyflex
Tweeter Size.75-inch
Tweeter TypeDome

CONNECTIONS
Connector TypeSpring posts
Biamp InputsNo
PHYSICAL SPECS
Height64.0mm ( 2-1/2-inch)
Width143.0mm ( 5-5/8-inch)
Depth170.0mm ( 6-11/16-inch)
Height64.0mm ( 2-1/2-inch)
Weight2.6 kg (5.7 lbs)
EnclosureBass Reflex
FinishPlastic
Available ColorsWhite
Mounting BracketYes
Recommended Stand Height2-1/2
Moisture ResistanceNo
OTHER
Handheld RemoteNo
Parts Warranty5 Years
Labor Warranty5 Years
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