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2012 650i
Product results for your vehicle – confirm details to verify fitment.
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Products in these categories contain items that carry a guarantee to fit your BMW 650i (change vehicle)
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VIBE Factory Replacement Subs

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RMS Power Handling
The RMS power is the amount of power the speaker requires to operate safely and properly. RMS Power Handling refers to the amount of power a speaker can handle on a continuous basis. We recommend powering your speakers or subwoofer with 80%-120% of its recommended RMS rating. The RMS power handling specification is typically rated per speaker unless otherwise noted.
Peak Power Handling
Peak power handling refers to the amount of power a speaker can handle during a brief musical burst. The RMS power range figure is a much more reliable rating for determining the speaker's power requirements. The Peak power handling specification is typically rated per speaker unless otherwise noted.
Series
Many brands group their products into series or lines of products to help customers know the level of quality (good, better, best for example). You can filter by series and the brand using our guided browsing.
Subwoofer Size
Refers to the diameter of the subwoofer, measured in inches.
Impedance (Per Voice Coil)
The load value (in ohms) that the speakers present to the amplifier per voice coil - the amount of resistance to the current flow. This is a key specification as subs wired in parallel or low impedances can create problems with your amplifier and potentially void all warranties. We encourage you to ask our support department prior to purchase if you do not understand which impedance level will suit your application best.
Subwoofer Design
This is the design of the subwoofer or the opening of the subwoofer enclosure. Each design has it's own benefits, whether it is a square, circle, or oval.

Round/Circle: This is the typical and common subwoofer design. They have a round cone and are a circle in design.

Square: These woofers are able to achieve a greater cone area in a smaller space. Because of the greater surface area, some square subwoofers will be louder than a round subwoofer of the same size.

Sensitivity
An efficiency or sensitivity rating tells you how effectively a speaker converts power into sound. The higher the number, the more efficient the speaker and the louder it will play with the same input power. An efficient speaker helps you maximize your available power. Most sensitivity ratings measure the speaker's output with 1 watt of input, 1 meter from the speaker. Some speakers' sensitivity is measured with 2.83 volts of input, instead of 1 watt.
  Efficiency (1w/1m) is not an accurate indicator of a subwoofer's output capability and should not be used as a comparison to other speakers or subwoofers to determine which one is "louder".
Main Cone Color
This is the color of the speaker's or subwoofer's cone.
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Metra OS-BMW84V3

345W Peak (115W RMS) 8" OptiSound Series 4-ohm Underseat Subwoofer for

OS-BMW84V3 big
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Metra OS-BMW84V3

345W Peak (115W RMS) 8" OptiSound Series 4-ohm Underseat Subwoofer for

• Peak Power: 345 watts
• RMS Power: 115 watts
• Impedance: 4 ohms
• Direct fit for

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found car based on your search
Fits your 650i
List price $362.99
-10% $325.99

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• Peak Power: 345 watts
• RMS Power: 115 watts
• Impedance: 4 ohms
• Direct fit for

Metra OS-BMW82V3

345W Peak (115W RMS) 8" OptiSound Series 2-ohm Underseat Replacement Car Subwoofers for

OS-BMW82V3 big
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Metra OS-BMW82V3

345W Peak (115W RMS) 8" OptiSound Series 2-ohm Underseat Replacement Car Subwoofers for

• Peak Power: 345 watts
• RMS Power: 115 watts
• Impedance: 2 ohms
• Direct fit for

shipping truck icon Free shipping in USA. Provide zip for delivery date.
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found car based on your search
Fits your 650i
List price $362.99
-10% $325.99

In stock.

Add to Cart

• Peak Power: 345 watts
• RMS Power: 115 watts
• Impedance: 2 ohms
• Direct fit for

VIBE BAMIT12-V4

900W Peak (300W RMS) Loaded Single 12" Sealed Shallow Subwoofer Enclosure

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VIBE BAMIT12-V4

900W Peak (300W RMS) Loaded Single 12" Sealed Shallow Subwoofer Enclosure

• Sealed enclosure with 1 12" Black Air Series Subwoofer
• 300 watts RMS (900 watts Peak)
• Final Impedance: 2-ohm
• Dimensions: 25.75" L x 14.41" H x 5.79" W
• Optional brackets for mounting to rear door of Jeep JK/JL

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List price $586.99
-10% $527.99

In stock.

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• Sealed enclosure with 1 12" Black Air Series Subwoofer
• 300 watts RMS (900 watts Peak)
• Final Impedance: 2-ohm
• Dimensions: 25.75" L x 14.41" H x 5.79" W
• Optional brackets for mounting to rear door of Jeep JK/JL

 
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    Modern vehicles often require specific brackets, wiring harnesses, and mounting solutions. A fit guide ensures:

    • You see only parts engineered for your exact vehicle
    • You avoid incompatible radios, speakers, or wiring
    • Installation is smoother, faster, and frustration-free
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    Whether you're replacing a factory stereo or upgrading your entire audio system, the Fit Finder eliminates uncertainty.

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