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  1. Home
  2. Q Acoustics Speakers
  3. Passive Floor-standing Speakers
  4. Q Acoustics 3040c
Q Acoustics 3040c Review
Q Acoustics 3040c - Front View

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Main Features

  • 0.9" Dome Tweeter
  • 2 x 4.75" Paper composite Woofer
  • 43-30k Hz Frequency Response
  • 88 dB Sensitivity
  • Impedance: 6ohms
  • Power Range: 25-120 watts
  • Weight: 32.19 lbs / 14.60 kg
  • Dimensions(HxWxD): 37-1/16"x11-1/4"x11-1/16" / 942.0 x 285.0 x 281.0mm
MSRP: $599 (list price)
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Q Acoustics 3040c Review
Q Acoustics 3040c Q Acoustics 3040c
Check price atAmazon›

Made by Q Acoustics · United Kingdom · since 2006 · sold through dealers

Q Acoustics 3040c is a 2-way Passive Bass Reflex Floor-standing speaker by Q Acoustics. It was released in August 2024. It features a 0.9" Dome Tweeter and 2 x 4.75" Paper composite Woofer.

The compact floorstander of the 3000c range: two 120 mm bass drivers and a 22 mm dome. Width is across the stabilisers; the cabinet is 170 mm.

The speaker has a frequency range of 43-30k Hz and a sensitivity of 88 dB. Q Acoustics 3040c has an MSRP of 599$ per pair.

Room Size Suitability

The size of the room where you plan to use the Q Acoustics 3040c is a crucial factor in your decision. We have assessed its suitability for various room sizes based on its dimensions and maximum power output:

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

(* 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.)

Q Acoustics's 3000c Series of Loudspeakers

3040c is a member of Q Acoustics's 3000c series of Passive speakers. The 3000c range is Q Acoustics' latest affordable line, updating the popular 3000 series with new drivers. Below you can see the main specs of these speakers.

See all 6 Q Acoustics 3000c models compared »

Q Acoustics 3000c Series Speakers
Model Frequency SensitivityImpedance Woofer
Q Acoustics 3050c
Compare
42-30k Hz 90 dB6Ω 2 x 5.5"
Q Acoustics 3010c
Compare
60-30k Hz 85 dB6Ω 1 x 4"
Q Acoustics 3030c
Compare
48-30k Hz 86.5 dB6Ω 1 x 5.5"
Q Acoustics 3020c
Compare
60-30k Hz 87 dB6Ω 1 x 4.74"
Q Acoustics 3090c
Compare
68-30k Hz 92 dB6Ω 2 x 4"
Q Acoustics 3040c
43-30k Hz 88 dB6Ω 2 x 4.75"
Q Acoustics 3000c Series Speakers
Q Acoustics 3000c Series Speakers

Frequency Response of the Q Acoustics 3040c Speaker

Q Acoustics 3040c has a Frequency response range of 43-30k Hz and Power Range of 25-120 watts. With a minimum frequency of 43 Hz, 3040c delivers deep bass that will likely satisfy most listeners, especially those who enjoy music. However, movie enthusiasts and music fans who prefer a full range of sound may still benefit from adding a subwoofer.

Here we have a comparison of how 3040c's Low frequency value compares with the average, max and min Low frequency values in its class.
Low Frequency
Floor-standing Speakers
Q Acoustics 3040c
Min
Average
Median
Thinking about a subwoofer for the Q Acoustics 3040c?
  • Work out the crossover setting - it follows from this speaker's 43 Hz low end
  • Powered subwoofers under $750 - a similar price range to these speakers
  • Every powered subwoofer we cover, whatever the budget

Among the speakers in our database priced under $750 a pair, these are the 3 Passive Floor-standing speakers that have deeper bass than the Q Acoustics 3040c's 43Hz:

  • Jamo S 809 with Low Frequency of 37 Hz (Compare w/ 3040c)
  • Klipsch RP-4000F with Low Frequency of 37 Hz (Compare w/ 3040c)
  • Jamo S 807 with Low Frequency of 42 Hz (Compare w/ 3040c)

Crossover frequency of the Q Acoustics 3040c?

The crossover frequency of the 3040c is set to 2400Hz. This is the threshold frequency where the higher frequency signals over this level are sent to the tweeter and the lower-frequency signals are sent to the woofer by the crossover component.

Q Acoustics 3040c driver frequency bands43-2.4kWoofer 4.75"2.4k-30kTweeter 0.9"20501002005001k2k5k10k20k40kHz, log scale

Impedance and Sensitivity

Q Acoustics 3040c's nominal impedance level is 6 ohms but can go down to as low as 4 ohms, and has a sensitivity of 88 dB.

Sensitivity
Floor-standing Speakers
Q Acoustics 3040c
Min
Average
Median

Nominal Impedance of the 6 Ohms makes the Q Acoustics 3040c a relatively difficult to drive speaker compared to more frequently found 8 ohms speakers from nominal Impedance perspective.

Sensitivity

88dB of the Q Acoustics 3040c is an average sensitivity for stereo speaker so it is neither easy nor difficult to drive Sensitivity wise. Work out how loud the Q Acoustics 3040c plays in your room →

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

Minimum Impedance of the Q Acoustics 3040c

Even though the nominal impedance of the 3040c is 6 ohms, the minimum impedance level of this speaker according to Q Acoustics is 4 ohms Q Acoustics 3040c so while choosing an amplifier, you should ideally check if the unit you are considering can provide this impedance level.

What amplifier does the Q Acoustics 3040c need?

At normal listening levels in a medium room, about 16–120 W per channel into 6 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

3040c features Binding post type connectors. Bi-amping and Bi-wiring are not possible.

Work out what gauge speaker cable this run needs →

Q Acoustics 3040c External Dimensions and Weight

Q Acoustics 3040c has external dimensions of (Height x Width x Depth) 37-1/16 x 11-1/4 x 11-1/16inch (942.0 x 285.0 x 281.0mm ).

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 Q Acoustics 3040c is approximately 800.9cm2 / 124.1inch2.

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

Weight

The Q Acoustics 3040c weighs 14.60kg / 32.1lbs per piece. Here is a comparison of how 3040c's weight compares with the average, max and min weights in its class.

Weight
All Floor-standing Speakers
Q Acoustics 3040c
Min
Average
Median
Weight
Floor-standing Speakers under $750
Q Acoustics 3040c
Min
Average
Max

Cabinet type and Materials

Q Acoustics 3040c 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.

Port Position

Q Acoustics 3040c is a rear-firing port speaker so you have to make sure you leave enough space between the back of the speaker and wall or bookshelf so that it has room to breathe.

Does the Q Acoustics 3040c come with a Grille?

3040c comes with grilles. 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.

Recommended Accessories

Here is a list of accessories that we think you may need for the Q Acoustics 3040c.

  • 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.

Official Product Page

Official manufacturer's product page for the Q Acoustics 3040c speaker can be found below:
Official Product Page for Q Acoustics 3040c

Warranty

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

Q Acoustics 3040c Alternatives in Passive Floor-standing Speakers
Model Type Sensitivity Impedance Frequency
Q Acoustics 3050c
Compare
2-way 90 dB 6 ohms 42-30k Hz
Q Acoustics 3090c
Compare
2-way 92 dB 6 ohms 68-30k Hz
Q Acoustics 3020c
Compare
2-way 87 dB 6 ohms 60-30k Hz
Q Acoustics 3030c
Compare
2-way 86.5 dB 6 ohms 48-30k Hz
Q Acoustics 3010c
Compare
2-way 85 dB 6 ohms 60-30k Hz
Klipsch RP-4000F
Compare
2-way 95 dB 8 ohms 37-25k Hz
Q Acoustics 5040
Compare
2-way 91.5 dB 6 ohms 39-30k Hz
Jamo S 809
Compare
2-way 90 dB 8 ohms 37-26k Hz
Frequently Asked Questions about Q Acoustics 3040c

What amplifier do you need for the Q Acoustics 3040c?

Q Acoustics rates the Q Acoustics 3040c for 25-120 watts of amplifier power. It is a 6-ohm speaker, which most amplifiers and receivers handle without trouble.

Is the Q Acoustics 3040c easy to drive?

The Q Acoustics 3040c has a sensitivity of 88 dB. That is about average for a home speaker, so it is neither hard nor especially easy to drive.

Does the Q Acoustics 3040c need a subwoofer?

The Q Acoustics 3040c reaches down to 43Hz (full range 43-30k Hz). That is deep enough that many listeners will not feel the need for a subwoofer with music.

What drivers does the Q Acoustics 3040c use?

The Q Acoustics 3040c is a 2-way design using a 0.9" Dome tweeter and 2 x 4.75" Paper composite woofers.

Is the Q Acoustics 3040c sealed or ported?

The Q Acoustics 3040c 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 Q Acoustics 3040c be bi-wired or bi-amped?

No. The Q Acoustics 3040c has a single pair of terminals, so bi-wiring and bi-amping are not possible. It uses Binding post terminals.

Does the Q Acoustics 3040c come with grilles?

Yes. The Q Acoustics 3040c comes with removable grilles.

How big and heavy is the Q Acoustics 3040c?

The Q Acoustics 3040c weighs 14.60kg / 32.1lbs each and measures 37-1/16 x 11-1/4 x 11-1/16inch (HxWxD).

How much does the Q Acoustics 3040c cost?

The Q Acoustics 3040c has a manufacturer's list price (MSRP) of $599 per pair.


Q Acoustics 3040c Detailed Specifications

General
BrandQ Acoustics
Full Model NameQ Acoustics 3040c
Speaker Type2-way Floor-standing
Power Range25-120 watts
Sensitivity88 dB
Impedance6 ohms
Frequency Response43-30k Hz
Release DateAugust 2024
DRIVERS
Woofer Size4.75-inch
Woofer CompositionPaper composite
Tweeter Size0.9-inch
Tweeter TypeDome
Crossover freq2400Hz
Port Positionrear

CONNECTIONS
Connector TypeBinding post
Biamp InputsNo
Port Positionrear
PHYSICAL SPECS
Height942.0mm ( 37-1/16-inch)
Width285.0mm ( 11-1/4-inch)
Depth281.0mm ( 11-1/16-inch)
Height942.0mm ( 37-1/16-inch)
Weight14.6 kg (32.2 lbs)
EnclosureBass Reflex
GrilleYes
Moisture ResistanceNo
OTHER
Handheld RemoteNo
Parts Warranty5 Years
Labor Warranty5 Years
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