About the Focal Inside I SUB MBZ 2

Add some thump to your Benz
Add some thump to your Benz
When it comes to upgrading audio, Mercedes-Benz owners haven't had a lot to choose from. But now the Inside Series brings Focal's famous sound to your Benz. The ISUB MBZ 2 8" subwoofers fit into the right and left underseat locations of select Mercedes models, providing a dramatic boost in the low frequencies of your music. Focal utilizes much of the same technology that they employ in their audiophile-grade home speakers, so you'll enjoy high-fidelity sound that will add to your driving experience.
Top-notch materials and design
The ISUB MBZ 2 is designed to work perfectly with your existing vehicle's factory amplifier. The Polyglass woofer provides neutral and accurate sound, while the butyl rubber surround holds up over the long haul. Integrated connectors hook up to your existing factory speaker plugs — no cutting or splicing required.
Installation Note: In most cases, the new sub has the same screw hole pattern as the factory sub and is a perfect fit, but there may be instances where new screw holes need to be drilled in the plastic factory enclosure.
Subwoofer Wiring Diagrams
To see sample wiring diagrams for all common subwoofer/amplifier combinations, check out this informative article.
Product highlights:
- two 8" 2-ohm component subwoofers
- designed for specific Mercedes Benz models
- fit under right and left seat locations
- Polyglass woofer cone in aluminum basket
- butyl rubber surrounds
- neodymium magnets
- integrated aluminum grilles
- power handling: 75 watts RMS (150 watts peak)
- frequency response: 35-200 Hz
- sensitivity: 87.3 dB
- top-mount depth: 2-9/16
- warranty: 1 year
- MFR # I SUB MBZ 2
What's in the box:
Focal Inside I SUB MBZ 2 owner's manual
- Driver's side subwoofer
- Passenger's side subwoofer
- Two 4" Wiring harnesses
- One 88" Dual sub adapter harness
- 2 Focal Inside badges
- Subwoofer wiring diagram
- User manual (English/ French/ German/ Italian/ Spanish/ Portuguese/ Dutch/ Polish/ Russian/ Korean/ Chinese/ Japanese/ Arabic)
- Focal window sticker
Reviews (4)
Customer reviews for Focal Inside I SUB MBZ 2
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More details on the Focal Inside I SUB MBZ 2

Features & specs
General | ||
---|---|---|
Speaker Size | Vehicle-specific | |
Design | 1-way | |
Tweeter Design | --- | |
Impedance (Ohms) | 2 | |
Tweeter Composition | --- | |
Woofer Composition | Polyglass | |
Woofer Surround | Butyl Rubber | |
Parts Warranty | 1 Year | |
Labor Warranty | 1 Year | |
Specifications | ||
Sensitivity (1W at 1 meter) | 87.3 | |
Sensitivity at 2.83 volts | 93.3 | |
Frequency Response | 35 - 0.2k Hz | |
Minimum RMS Wattage | --- | |
Maximum RMS Wattage | 75 | |
Peak Power Handling (Watts) | 150 | |
Top-mount Depth (Inches) | 2 9/16 | |
Bottom-mount Depth (Inches) | N/A | |
Cutout Diameter or Length (inches) | 0 | |
Mounting Height (Inches) | 2.09 |
Product Research
Features
Mounting: The ISUB MBZ 2 subwoofers fit as a direct replacement for the factory foot well subwoofers in select Mercedes Benz models. They are packaged as a pair, so you only need to purchase one set. Please enter your vehicle information to confirm fit.
Wiring: The included subwoofers have the same plug as the factory subwoofers, so each factory harness plugs directly into the new sub. Two 4" harnesses are included for wiring the new subs to an aftermarket amp. A dual sub adapter is also included, used when there is only one factory sub. The dual sub adapter wires the two 2Ω drivers in series to present a 4Ω load to the amplifier.
Magnets: The subwoofers use neodymium magnets to minimize their size without giving up magnetic field strength.
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Customer Q&A
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These are a great addition to replace the factory subs. Considerably more bass over stock subs using the oem factory amp. This is the way the stock system should've come from Mercedes.
Shawn from Tyler, TX