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499,00€
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MUSWAY MF210A – 25 cm Active Downfire Subwoofer with Class D Amplifier Full description The MUSWAY MF210A is the ideal solution for lovers of powerful bass who are short on space in their vehicle. This active downfire sub...
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199,00€
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MUSWAY SUB1 – Ultra-flat active subwoofer 15 x 20 cm (6 x 8") Product description: The MUSWAY SUB1 is an ultra-thin active subwoofer system equipped with a special 15 x 20 cm subwoofer and a true Class A/B amplifier. Equip...
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249,00€
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MB QUART QB251A - Subwoofer Actif 25 cm 150 Watts RMS Ultra-Compact Des basses profondes dans un format discret ! Le MB QUART QB251A est un subwoofer actif ultra-compact de 25 cm conçu pour améliorer la profondeur des basses de...
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199,00€
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MB QUART QB201A - Subwoofer Actif 20 cm 125 Watts RMS Ultra-Compact Un grave puissant dans un format réduit ! Le MB QUART QB201A est un subwoofer actif ultra-compact de 20 cm conçu pour renforcer les basses de votre système au...
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219,00€
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HIFONICS VRX1000A - Caisson de Basse Actif Puissant et Compact Description du produit 🔊 Un subwoofer ultra-performant pour un grave percutant ! Le HIFONICS VRX1000A appartient à la gamme VULCAN VRX, conçue pour offrir des bass...
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179,00€
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HIFONICS VRX800A - Caisson de Basse Actif Ultra-Compact 125 Watts RMS Description du produit 🔊 Un subwoofer puissant dans un format ultra-compact ! Le HIFONICS VRX800A fait partie de la gamme VULCAN VRX, une série de caissons ...
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399,00€
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HIFONICS ZRX220A - Caisson de Basse Actif Double Woofer 300 Watts RMS Description du produit 🔊 Un caisson actif ultra-performant et puissant ! Le HIFONICS ZRX220A est un caisson de basses actif qui pousse la performance au max...
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199,00€
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HIFONICS ZRX200A - Caisson de Basse Actif Ultra-Compact 150 Watts RMS Description du produit 🔊 Un caisson ultra-compact aux basses profondes ! Le HIFONICS ZRX200A révolutionne les caissons plats grâce à sa technologie AIR-COMP...
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189,00€
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HIFONICS MRX168A - Caisson de Basses Actif Ultra-Compact Description du produit 💥 Un son puissant dans un format ultra-réduit ! Le HIFONICS MRX168A est un caisson de basses actif compact, spécialement conçu pour être installé ...
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349,00€
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ESX QXF201A - 20 cm (8") Active Subwoofer with Integrated Amplifier Product Description The ESX QXF201A is an active subwoofer designed to enhance the depth of sound in your vehicle without taking up storage space. With it...
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229,00€
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ESX SXT800Q - Compact Downfire Subwoofer System for VW T-Series Full description: The ESX SXT800Q is the perfect solution for Volkswagen T5, T6 and T6.1 owners who want to add powerful bass without sacrificing space. This...
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179,00€
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ESX HZ800A - 20 cm Ultra-Compact Active Subwoofer Full description: The ESX HZ800A is designed for vehicles with limited space while ensuring punchy sound reproduction. Thanks to its 20 cm (8”) subwoofer and integrated Cla...
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199,00€
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ESX Q201A - Ultra-compact 20 cm 8-inch active subwoofer Full description: The ESX Q201A is designed for those who want a powerful and discreet active subwoofer . Thanks to its ultra-thin format, it can be installed under ...
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139,00€
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ESX Q168P - Ultra-compact subwoofer with 15 x 20 cm subwoofer Full description: The ESX Q168P is part of the QUANTUM range and stands out for its ultra-slim design. This active subwoofer is equipped with a 15 x 20 cm (6x8...
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199,00€
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ESX Q168A – Ultra-Compact Active Subwoofer 15 x 20 cm 100W RMS Full description The ESX Q168A is an ultra-compact 15 x 20 cm (6 x 8”) active subwoofer, which adds deep and powerful bass in small spaces. Equipped with a bui...
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229,00€
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ESX Q208A – Ultra-Compact Active Subwoofer 150W RMS Full description The ESX Q208A is the next generation of the popular Q202A , with improved power and even more impressive performance. This ultra-compact 20 cm (8”) active...
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329,00€
En stock
MUSWAY MF210Q2 – Ultra-compact 25 cm Downfire box Full description The MUSWAY MF210Q2 is the ideal solution for those looking for a powerful yet compact subwoofer. Designed in downfire , it protects the subwoofer cone by ...
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329,00€
En stock
MUSWAY MF210Q4 – Ultra-compact 25 cm Downfire box Full description The MUSWAY MF210Q4 is the ideal solution for those looking for a powerful yet compact subwoofer. Designed with a downfire design, it protects the subwoofe...
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449,00€
En stock
ESX QXB8A – 20 cm (8") Active Subwoofer with Integrated Amplifier Full description The ESX QXB8A is an active subwoofer designed for lovers of deep and powerful bass , without the need for an external amplifier. Thanks to...
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329,00€
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Alpine PWE-S8 - Compact 20 cm 240 Watt Active Subwoofer Full description: The Alpine PWE-S8 is a compact and powerful active subwoofer designed to enhance the low frequencies of your audio system. With a 20 cm (8") subwoofer...
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269,00€
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Alpine PWE-V80 - Compact 160-watt active subwoofer Full description: The Alpine PWE-V80 is the ideal active subwoofer for music lovers looking for a powerful sound experience in a compact size. With a maximum power of 160W a...
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Alpine PWD-X5 - Processeur DSP 4.1 Canaux avec Subwoofer Actif Alpine Alpine PWD-X5 - Processeur DSP 4.1 Canaux avec Subwoofer Actif Alpine
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499,00€ 559,00€ -10%
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Alpine PWD-X5 - 4.1 Channel DSP Processor with Active Subwoofer Full description: The Alpine PWD-X5 is an all-in-one audio solution that transforms your vehicle's sound system. This unique system combines a high-performanc...
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Focal ISUB ACTIVE 2.1 - Subwoofer Amplifié et Amplificateur 2 Canaux Focal Focal ISUB ACTIVE 2.1 - Subwoofer Amplifié et Amplificateur 2 Canaux Focal
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348,95€ 429,00€ -18%
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Focal ISUB ACTIVE 2.1 - Powered Subwoofer and 2-Channel Amplifier Full description : The Focal ISUB ACTIVE 2.1 is the ideal solution for enriching your original audio system with deep and dynamic bass, while amplifying t...
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Focal ISUB ACTIVE - Caisson de Grave Amplifié Plug and Play Focal Focal ISUB ACTIVE - Caisson de Grave Amplifié Plug and Play Focal
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298,95€ 319,00€ -6%
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Focal ISUB ACTIVE - Plug and Play Amplified Subwoofer Full description : The Focal ISUB ACTIVE is the ideal solution for anyone who wants to enhance their original audio system with powerful and dynamic bass, without sac...
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Car Flat Subwoofers - Powerful and Compact | Multison

Flat Panel Subwoofers: Compact Power for Your Audio System


Flat boxes : The ideal solution for powerful bass without cluttering up your vehicle!

At Multison , we have selected the best flat boxes to offer you exceptional audio performance in a compact and discreet format.

🔎 What is a Flat Box ?

A flat panel enclosure , also called a slim subwoofer , is designed to produce deep bass while taking up minimal space . Thanks to their small size, they fit easily under a seat or in a confined space, without compromising on sound quality .

⚡ Impressive Performance in a Compact Size

Despite their small size , flat panel speakers deliver punchy, dynamic bass . They are perfect for those who want to upgrade their audio system while conserving maximum space in their vehicle.

🏆 The Best Brands for Assured Quality

At Multison , we offer flat boxes from renowned brands such as Alpine, MUSWAY, MTX, FOCAL and ESX . These models offer exemplary robustness , a discreet design , and integrate advanced technologies for an incomparable audio experience .

✅ Why Choose a Flat Box ?

Space saving : Perfect for vehicles with limited space.
Flexible installation : Can be mounted under seats or in tight spaces.
Excellent performance : Deep bass despite its small size.

Why buy from Multison ?

With over 15 years of expertise , Multison is committed to providing you with quality, durable and easy-to-install products . Our selection of flat boxes will allow you to transform your vehicle's audio experience , even with space constraints .

Enjoy powerful bass and a compact size with Multison flat speakers!

Flat Boxes
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everywhere in Metropolitan France from 149€* order.
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2 YEAR WARRANTY
All our products are guaranteed for 2 years

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