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MBQuart 4" 2-Way Coaxial Car Speakers
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PVS Automotive

MBQuart 4" 2-Way Coaxial Speakers Aluminium dome tweeters. Compact dash and door pod fit.

A compact 4-inch 2-way coaxial built tough enough for marine and powersports environments, with an aluminium dome tweeter and butyl rubber surround that shrug off moisture and vibration alike.

Fits the LandCruiser and Hilux.
Key Specs
Speaker Size4in
RMS Power40W
Impedance4Ω
Sensitivity88dB
12-month Australian warranty
Marine Grade butyl rubber surrounds for long-term durability
Plug and Play spade connectors or direct solder leads
Australian Owned and operated
01
Overview

Built to sound
right.

A compact 4-inch 2-way coaxial built tough enough for marine and powersports environments, with an aluminium dome tweeter and butyl rubber surround that shrug off moisture and vibration alike.

The MBQuart 4-inch Marine 2-Way Coaxial packs genuine performance into a footprint suited to dash and door pod installs on vehicles where space is at a premium, including the Toyota LandCruiser 70 Series. A heavy gauge progressive-die stamped steel basket keeps the assembly rigid under hard driving conditions, while the ferrite magnet motor delivers a strong magnetic field without adding unnecessary bulk. The integrated crossover rolls off cleanly at 6 kHz with a 12 dB slope, handing duties to the aluminium dome tweeter for crisp high-frequency reproduction. Butyl rubber surrounds resist UV, salt and humidity far longer than foam alternatives, making these speakers a sensible long-term investment for any open-cab or marine application. Connection is flexible, with spade connectors or direct solder via tinsel leads to suit a range of install scenarios.

02

Three things that matter.

The details that decide how it actually sounds once it is installed.
Feature01

Aluminium Dome Tweeter with Integrated Crossover

The aluminium dome tweeter is paired with an on-board 12 dB per octave crossover that crosses over at 6 kHz, delivering accurate high-frequency detail without requiring a separate crossover component in the install.

Feature02

Butyl Rubber Surround

Butyl rubber outlasts foam surrounds significantly in harsh conditions, resisting UV exposure, salt spray and temperature cycling, which makes it the correct choice for marine, powersports and open-cab 4WD applications.

Feature03

Dual Connection Options

Spade connectors and tinsel leads allow for direct solder termination, giving installers the flexibility to choose the connection method that best suits the vehicle's wiring harness and install environment.

Listening notesMBQUART
Marine
Tuned for a wide, natural soundstage
MBQ-AUDIO / ARCHIVE
In the install
Engineered to drop into a 70 Series build for a clear lift in detail and output.
MBQuart
03

Full specs.

Confirm size, mounting depth and cutout against your install before fitting.
Specifications

Speaker Size

4 inches

Configuration

2-Way Coaxial

RMS Power Handling

40 W

Peak Power Handling

80 W

Maximum Power

175 W

Impedance

4 Ω

Sensitivity

88 dB

Frequency Response

55 Hz - 19 kHz

Crossover Slope

12 dB at 6 kHz

Mounting Cutout

3.69 inches

Outside Diameter

6.26 inches

Mounting Depth

3 inches

Basket Material

Heavy gauge progressive-die stamped steel

Magnet Type

Ferrite

Surround Material

Butyl rubber

Tweeter Material

Aluminium dome

Colour

Black

Warranty

2 years

04
In the Box

What's included.

1 pair
MBQuart 4" 2-Way Coaxial Speakers
Main unit
Next step

Hear the
difference.

Add it to your build, or browse the full MBQuart range to match speakers, components, subs and amplifiers.