About the Focal Inside I SUB MBZ 2

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 # ISUBMBZ2
- Item # 091ISUBMB2
What's in the box:
Focal Inside I SUB MBZ 2 owner's manual
If you need assistance accessing this owner's manual, please give us a call.- 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
More details on the Focal Inside I SUB MBZ 2

Features & specs
General | ||
---|---|---|
Speaker Size | Vehicle-specific | |
Driver Design | 1-way | |
Woofer Design | Cone | |
Woofer Material | Polyglass | |
Woofer Surround | Butyl Rubber | |
Midrange Design | --- | |
Midrange Material | --- | |
Tweeter Design | --- | |
Tweeter Material | --- | |
Super Tweeter Design | --- | |
Super Tweeter Material | --- | |
Impedance (Ohms) | 2 | |
Weather-resistant | No | |
Grilles Included | Gray, Aluminum, Fixed | |
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 | |
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 | |
Frame Width | 8.892 | |
Frame Length | 9.415 |
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