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2008 BMW 528i

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Subwoofers and enclosures, specifically designed for your 2008 528i, as well as universal fit solutions

Overview Upgrade your Speakers Add a Subwoofer Add an Amplifier Digital Sound Processors Audio Installation & Accessories Add a Backup Camera Dads & Grads Sale

Subwoofers and Boxes for 2008 BMW 528i

A subwoofer that works with, or is designed for, your 2008 BMW 528i will add bass, clarity and depth to your music and system. A quality subwoofer will give realism and an overall rich, complete sound that you otherwise would not get with a factory car sound system.

Custom-fit subwoofer box

Custom-fit Subwoofer Boxes & Enclosures

Get a sub box designed specifically for your 528i.

Subwoofer bass packages

Universal Subwoofer Bass Packages

These packages include an amp, sub(s), an enclosure and amplifier wiring. They should fit your BMW 528i, but verify your trunk/rear vehicle area.

Universal Subwoofers

Universal Subwoofers

These sub(s) are perfect for adding to a empty box or custom built enclosure. They should work with your BMW 528i, but verify your trunk/rear vehicle area.

Universal-fit loaded and powered sub boxes

Universal-fit Loaded Subwoofer Boxes

These boxes include sub(s) and some include an amp. They should fit your BMW 528i, but verify your trunk/rear vehicle area.

Universal-fit empty unloaded sub boxes

Empty Universal-fit Sub Box Enclosures

These boxes are ready for you to add a sub and amp. They should fit your ride, but verify your trunk/rear vehicle area.

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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.
Punch Series (72)
CompRT Series (43)
S Series (42)
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Polk Audio MM1 Series (2)
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Subwoofer Size
Refers to the diameter of the subwoofer, measured in inches.
Shallow Mount Installation
This means that the subwoofer/speaker is designed to be installed in areas that do not have a lot of space. Shallow mount subwoofers are typically found under a seat or behind the seat in some trucks.

Shallow mount speakers will typically have a mounting depth of 2" or less, while shallow mount subwoofers will typically have a mounting depth of 3" or less.
Top-Mount Depth (Mounting Depth)
The depth when installed on top of the mounting surface. Measured from the bottom of the speaker's magnet to the bottom of the mounting holes on the rim of the speaker.
Voice Coil(s)
Dual voice coil subs have more wiring flexibility than single voice coils subs; however, single voice coil subwoofers provide easier hookup options for wiring multiple subwoofers in parallel or series. You may also run a dual voice coil (DVC) sub in parallel, series, or combination. A quad voice coil has four voice coils and is equal to two dual voice coil subwoofers as far as wiring goes.
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.

Minimum Sealed Box Volume
This value indicates the minimum sealed box volume that the manufacturer recommends for the subwoofer. The volume is typically displayed in cubic feet.
Maximum Sealed Box Volume
This value indicates the maximum sealed box volume that the manufacturer recommends for the subwoofer. The volume is typically displayed in cubic feet.
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.
Recommended Enclosure Type
This is the recommended type of enclosure that the subwoofer should be installed into. Some subwoofers are specially designed for particular enclosures.

Sealed: These enclosures completely enclose the air inside the box. These boxes produce a tight bass.

Ported/Vented: These enclosures have a slot of air to escape from the box. The result is a sound that has more "boom".

Bandpass: These are a combination of both sealed and ported enclosures. They can be very efficient, but require tuning for the best response.

Xmax (millimeters)
Typically measured in millimeters, the Xmax value is the measure of a speaker cone's maximum excursion in one direction while maintaining a linear behavior.
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Rockford Fosgate Punch P2 P2D2-8

500W Peak (250W RMS) 8" Punch Series Dual 2-ohm Car Subwoofer

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Rockford Fosgate Punch P2 P2D2-8

500W Peak (250W RMS) 8" Punch Series Dual 2-ohm Car Subwoofer

• Peak Power: 500 watts
• RMS Power: 250 watts
• Impedance: Dual 2 ohm
• Kevlar Reinforced Pulp Paper Cone
• Rubber Surround
• Mount depth: 4.76"
• Sensitivity: 83 dB

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Deaf Bonce Apocalypse DB-SA2508 D2

1600W Peak (800W RMS) 8” Apocalypse Series Dual 2-ohm Subwoofer

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Deaf Bonce Apocalypse DB-SA2508 D2

1600W Peak (800W RMS) 8” Apocalypse Series Dual 2-ohm Subwoofer

• Peak Power: 1600 watts
• RMS Power: 800 watts
• Pressed Paper Cone
• Foam Surround
• Impedance: Dual 2 ohm
• Mount depth: 5.19"
• Sensitivity: 85 dB

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NVX - Worth the Envy - Direct to Consumer Car Audio

Massive Audio GTX104H

1600W Peak (800W RMS) 10" GTX Series Dual 4-ohm Car Subwoofer

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Massive Audio GTX104H

1600W Peak (800W RMS) 10" GTX Series Dual 4-ohm Car Subwoofer

• Peak Power: 1600 watts
• RMS Power: 800 watts
• Impedance: Dual 4 ohm
• UV-treated Non-Pressed Paper cone
• Pressed Foam surround
• Mount depth: 6.34"
• Sensitivity: 87.5 dB

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Hertz CS 200 S4

300W Peak (150W RMS) 8" Cento Series Single 4-ohm Car Subwoofer

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Hertz CS 200 S4

300W Peak (150W RMS) 8" Cento Series Single 4-ohm Car Subwoofer

• Peak Power: 300 watts
• RMS Power: 150 watts
• Impedance: Single 4 ohm
• Polypropylene cone
• Rubber surround
• Mount depth: 3.98"
• Sensitivity: 84 dB

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Alpine R2-W12D2

2250W Peak (750W RMS) 12" R2-Series Dual 2-ohm Car Subwoofer

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Alpine R2-W12D2

2250W Peak (750W RMS) 12" R2-Series Dual 2-ohm Car Subwoofer

• Peak Power: 2250 watts
• RMS Power: 750 watts
• Impedance: Dual 2 ohm
• Kevlar Reinforced Pulp Paper Cone
• High-Amplitude Multi-Roll (HAMR) Surround
• Mount depth: 6.43"
• Sensitivity: 85 dB

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Sundown Audio LCS 10 v.2 D4 10" (LCS10V2D4)

1000W Peak (500W RMS) 10" LCS Series Dual 4-ohm Car Subwoofer (SW-LCSV210D4)

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Sundown Audio LCS 10 v.2 D4 10" (LCS10V2D4)

1000W Peak (500W RMS) 10" LCS Series Dual 4-ohm Car Subwoofer (SW-LCSV210D4)

• Peak Power: 1000 watts
• RMS Power: 500 watts
• Impedance: Dual 4 ohm
• Paper Cone
• Foam Surround
• Mount depth: 5.250"
• Sensitivity: 85.4 dB

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Atrend 12SAL

Empty Single 12" Medium Sealed Subwoofer Enclosure

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Atrend 12SAL

Empty Single 12" Medium Sealed Subwoofer Enclosure

• 12" Single Medium Sealed Subwoofer Enclosure
• 3/4" Medium Density Fiberboard (MDF) construction
• Miter and Dado construction
• Premium carpet finish
• Silver spring loaded terminal cups
• Glued and braced with fasteners
• Total box volume: 0.66 cubic feet

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Atrend A122-12CPV

Empty Dual 12" 3rd Row SUV Universal Vented Subwoofer Enclosure

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Atrend A122-12CPV

Empty Dual 12" 3rd Row SUV Universal Vented Subwoofer Enclosure

• 12" Dual Ported Subwoofer Enclosure
• 3/4" Medium Density Fiberboard (MDF) construction
• Universal fit for 3rd row SUV and behind rear seat
• Miter and Dado construction
• Premium charcoal carpet finish
• Silver spring loaded terminal cups
• Glued and braced with fasteners
• Total box volume: 2.7 cubic feet

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Kicker L7XS151 (52L7XS151)

3000W RMS 15" SoloXS L7XS Series Dual 1-ohm Square Car Subwoofer

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Kicker L7XS151 (52L7XS151)

3000W RMS 15" SoloXS L7XS Series Dual 1-ohm Square Car Subwoofer

• RMS Power: 1500 - 3000 watts
• Impedance: Dual 1 ohm
• Double-pressed pulp Cone
• Nitrile Butadiene Rubber NBR Surround
• Mount depth: 11-9/16"

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• RMS Power: 1500 - 3000 watts
• Impedance: Dual 1 ohm
• Double-pressed pulp Cone
• Nitrile Butadiene Rubber NBR Surround
• Mount depth: 11-9/16"

Atrend 8TKV

Empty Single 8" Vented Truck Subwoofer Enclosure

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Atrend 8TKV

Empty Single 8" Vented Truck Subwoofer Enclosure

• 8" Single Truck Ported Subwoofer Enclosure
• 3/4" Medium Density Fiberboard (MDF) construction
• Miter and Dado construction
• Premium black carpet finish
• Silver spring loaded terminal cups
• Glued and braced with fasteners
• Total box volume: 0.51 cubic feet

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List price $89.99
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JBL CLUB 122SL (JBLSUBCB122SL)

1200W Peak (400W RMS) 12" Club Series Dual 2-or 4-ohm Shallow Car Subwoofer

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JBL CLUB 122SL (JBLSUBCB122SL)

1200W Peak (400W RMS) 12" Club Series Dual 2-or 4-ohm Shallow Car Subwoofer

• Peak Power: 1200 watts
• RMS Power: 400 watts
• Impedance: Dual 2 or 4 ohm
• Aluminum Cone
• Hi-Roll Rubber Surround
• Mount depth: 3-1/4"
• Sensitivity: 89 dB

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Kicker CWRT122 (48CWRT122)

1000W Peak (500W RMS) 12" CompRT Series Dual 2-ohm Shallow Car Subwoofer

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Kicker CWRT122 (48CWRT122)

1000W Peak (500W RMS) 12" CompRT Series Dual 2-ohm Shallow Car Subwoofer

• Peak Power: 1000 watts
• RMS Power: 500 watts
• Impedance: Dual 2 ohm
• UV-Treated Polypropylene Cone
• UV-resistant Santoprene Surround
• Mount depth: 3-3/4"
• Sensitivity: 85.5 dB

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Kicker L7X81 (49L7X81)

800W RMS 8" SoloX Series Dual 1-ohm Subwoofer

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Kicker L7X81 (49L7X81)

800W RMS 8" SoloX Series Dual 1-ohm Subwoofer

• RMS Power: 400 - 800 watts
• Impedance: Dual 1 ohm
• Double-pressed pulp Cone
• UV-resistant Santoprene Surround
• Mount depth: 7-15/16"

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• RMS Power: 400 - 800 watts
• Impedance: Dual 1 ohm
• Double-pressed pulp Cone
• UV-resistant Santoprene Surround
• Mount depth: 7-15/16"

Deaf Bonce Apocalypse DB-SA272 D2

3000W Peak (1500W RMS) 12” Apocalypse Series Dual 2-ohm Car Subwoofer

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Deaf Bonce Apocalypse DB-SA272 D2

3000W Peak (1500W RMS) 12” Apocalypse Series Dual 2-ohm Car Subwoofer

• Peak Power: 3000 watts
• RMS Power: 1500 watts
• Pressed Paper Cone
• Foam Surround
• Impedance: Dual 2 ohm
• Mount depth: 7.07"
• Sensitivity: 86.20 dB

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Kicker L7S152 (44L7S152)

2000W Peak (1000W RMS) 15” Solo-Baric L7S Series Dual 2-ohm Subwoofer

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Kicker L7S152 (44L7S152)

2000W Peak (1000W RMS) 15” Solo-Baric L7S Series Dual 2-ohm Subwoofer

• Peak Power: 2000 watts
• RMS Power: 1000 watts
• Impedance: Dual 2 ohm
• Injection Molded Polypropylene Cone
• Ribbed Santoprene Surround
• Mount depth: 8 11/16"
• Sensitivity: 88.56 dB

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JL Audio H.O. Wedge HO110-W6v3

600W Single 10" 10W6v3 Vented Enclosed Subwoofer System

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JL Audio H.O. Wedge HO110-W6v3

600W Single 10" 10W6v3 Vented Enclosed Subwoofer System

• 600W Single 10" Vented Subwoofer Enclosure
• 10" W6 Series Subwoofer
• 5/8" Medium Density Fiberboard with High-grade Automotive Carpet
• 2 Screw Terminals
• Enclosure Dimensions: 21-3/4" D x 12-1/4" W x 14" H

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Rockford Fosgate Punch P3 P3D2-15

1200W Peak (600W RMS) 15" Punch Series Dual 2-ohm Car Subwoofer

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Rockford Fosgate Punch P3 P3D2-15

1200W Peak (600W RMS) 15" Punch Series Dual 2-ohm Car Subwoofer

• Peak Power: 1200 watts
• RMS Power: 600 watts
• Impedance: Dual 2 ohm
• Anodized Aluminum Cone
• Santoprene Rubber Surround
• Mount depth: 7.58"
• Sensitivity: 86 dB

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Kicker CWQ122 (51CWQ122)

2000W Peak (1000W RMS) 12" CompQ Series Dual 2-ohm Subwoofer

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Kicker CWQ122 (51CWQ122)

2000W Peak (1000W RMS) 12" CompQ Series Dual 2-ohm Subwoofer

• Peak Power: 2000 watts
• RMS Power: 1000 watts
• Impedance: Dual 2 ohm
• SoloKon Polypropylene Cone
• Blue-stitched Santoprene Rubber Surround
• Mount depth: 7-1/8"
• Sensitivity: 85.4 dB

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Atrend 12LSV

Empty Single 12" SPL Vented Subwoofer Enclosure

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Atrend 12LSV

Empty Single 12" SPL Vented Subwoofer Enclosure

• 12" Single SPL Ported Subwoofer Enclosure
• 3/4" Medium Density Fiberboard (MDF) construction
• Miter and Dado construction
• Premium carpet finish
• Silver spring loaded terminal cups
• Glued and braced with fasteners
• Total box volume: 1.75 cubic feet

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List price $164.99
-15% $139.99
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• 12" Single SPL Ported Subwoofer Enclosure
• 3/4" Medium Density Fiberboard (MDF) construction
• Miter and Dado construction
• Premium carpet finish
• Silver spring loaded terminal cups
• Glued and braced with fasteners
• Total box volume: 1.75 cubic feet

Limited time!

Wet Sounds ZERO 10 ENC (Like New (Open Box))

Empty Single 10" Sealed Enclosure for ZERO 10 Subwoofers

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Wet Sounds ZERO 10 ENC (Like New (Open Box))

Empty Single 10" Sealed Enclosure for ZERO 10 Subwoofers

• 10" Single Sealed Truck Subwoofer Enclosure
• Medium Density Fiberboard (MDF) construction
• Compatible with ZERO 10 subwoofers (Sold separately)

10% Off Open Box!
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Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

List price $299.99
-15% $254.99
$229.49 with coupon | Price details

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Only 2 Left!

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• 10" Single Sealed Truck Subwoofer Enclosure
• Medium Density Fiberboard (MDF) construction
• Compatible with ZERO 10 subwoofers (Sold separately)

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    FAQ for Subwoofer and Sub Box Upgrades in 2008 528i

    Q: Can I upgrade or change the Subwoofer and Sub Box Upgrades in 2008 BMW 528i?

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