Garage
Shop

Diamond Audio Speakers with Sound Deadening for your 2008 528i close

Improve your system's efficiency with Diamond Audio's speakers with sound deadening.

Loading...
Filters

Your Vehicle


Checkmark Icon
Fits select locations in your 2008 528i
Add vehicle details to confirm exact location or Update vehicle.

Update vehicle | Remove vehicle | Vehicle store

Shop the Category

filter-icon Filters & Sort

Diamond Audio MSPRO8 with Sound Damping

1000W Peak (500W RMS) 8” MSPRO Series 2-way Coaxial Speakers + NVX SDSK2 Sound Damping

MSPRO8_SDSK2 big
Go to item page Right Arrow Icon of Right Arrow

1000W Peak (500W RMS) 8” MSPRO Series 2-way Coaxial Speakers + NVX SDSK2 Sound Damping

• 500 watts Peak Each, 250 watts RMS Each
• Tweeters
• Thermal molded waterproof paper cone material
• Impedance: 4 ohm
• Sensitivity: 100 dB

Save 15% Off Package Deals at Checkout!
shipping truck icon Free shipping in USA. Provide zip for delivery date.
found car based on your search
Fits your 528i
48
List price $388.73
-7% $359.99

In stock

• 500 watts Peak Each, 250 watts RMS Each
• Tweeters
• Thermal molded waterproof paper cone material
• Impedance: 4 ohm
• Sensitivity: 100 dB

Diamond Audio MSPRO8 with Speaker Installation Kit

Includes: (2) 8" Midrange Component Speaker, 2 Piece Speaker Baffles, Sound Damping Kit, Installer Panel Removal Tool Kit, Rubber Roller

MSPRO8, XBAF8, SDRLR1, SDSK2, BTK106 big
Go to item page Right Arrow Icon of Right Arrow

Includes: (2) 8" Midrange Component Speaker, 2 Piece Speaker Baffles, Sound Damping Kit, Installer Panel Removal Tool Kit, Rubber Roller

• 500 watts Peak Each, 250 watts RMS Each
• Tweeters
• Thermal molded waterproof paper cone material
• Impedance: 4 ohm
• Sensitivity: 100 dB

Save 15% Off Package Deals at Checkout!
shipping truck icon Free shipping in USA. Provide zip for delivery date.
install icon

Install kits available for most vehicles

found car based on your search
Fits your 528i
142
List price $452.70
-10% $405.80 /pair

In stock

• 500 watts Peak Each, 250 watts RMS Each
• Tweeters
• Thermal molded waterproof paper cone material
• Impedance: 4 ohm
• Sensitivity: 100 dB

Diamond Audio MP84 with Sound Damping

400W MAX (200W RMS) 8" PRO Full-Range Coaxial Horn Speakers + NVX SDSK2 Sound Damping

MP84_SDSK2 big
Go to item page Right Arrow Icon of Right Arrow

400W MAX (200W RMS) 8" PRO Full-Range Coaxial Horn Speakers + NVX SDSK2 Sound Damping

• 400 watts Max Each, 200 watts RMS Each
• 1" Aluminum Horn Tweeters
• Heavy duty die-cast aluminum basket
• Advanced voice coil heat sink design for better heat dissipation
• Sensitivity: 103 dB
• Mounting Depth: 7.09"

Save 15% Off Package Deals at Checkout!
shipping truck icon Free shipping in USA. Provide zip for delivery date.
found car based on your search
Fits your 528i
48
$564.98

In stock.

• 400 watts Max Each, 200 watts RMS Each
• 1" Aluminum Horn Tweeters
• Heavy duty die-cast aluminum basket
• Advanced voice coil heat sink design for better heat dissipation
• Sensitivity: 103 dB
• Mounting Depth: 7.09"

Diamond Audio DMD42 with Speaker Installation Kit

Includes: (2) 4” 2-Way speaker, 2 Piece Foam Speaker Ring Kit, Sound Damping Kit, Installer Panel Removal Tool Kit, Rubber Roller

DMD42, FRING4, SDRLR1, SDSK2, BTK106 big
Go to item page Right Arrow Icon of Right Arrow

Includes: (2) 4” 2-Way speaker, 2 Piece Foam Speaker Ring Kit, Sound Damping Kit, Installer Panel Removal Tool Kit, Rubber Roller

• 60 watts Peak Each, 30 watts RMS Each
• 3/4" PEI (Polyetherimide) Dome Tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 84 dB

Save 15% Off Package Deals at Checkout!
shipping truck icon Free shipping in USA. Provide zip for delivery date.
install icon

Install kits available for most vehicles

additional information required
Fits select locations in your 528i.
Add vehicle details to confirm exact location.
144
List price $191.70
-24% $146.52 /pair

In stock.

• 60 watts Peak Each, 30 watts RMS Each
• 3/4" PEI (Polyetherimide) Dome Tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 84 dB

Diamond Audio DMD42 with Sound Damping

120W Peak (60W RMS) 4" DMD Series 2-way Coaxial Car Speakers + NVX SDSK2 Sound Damping

DMD42_SDSK2 big
Go to item page Right Arrow Icon of Right Arrow

120W Peak (60W RMS) 4" DMD Series 2-way Coaxial Car Speakers + NVX SDSK2 Sound Damping

• 60 watts Peak Each, 30 watts RMS Each
• 3/4" PEI (Polyetherimide) Dome Tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 84 dB

Save 15% Off Package Deals at Checkout!
shipping truck icon Free shipping in USA. Provide zip for delivery date.
additional information required
Fits select locations in your 528i.
Add vehicle details to confirm exact location.
48
List price $138.73
-10% $124.98

In stock.

• 60 watts Peak Each, 30 watts RMS Each
• 3/4" PEI (Polyetherimide) Dome Tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 84 dB

Diamond Audio MP84 with Installation Accessories

200W RMS 8" PRO Full-Range Coaxial Horn Speakers with Speaker Baffles, Sound Damping, Roller, and Panel Removal Kit

MP84, XBAF8, SDSK2, SDRLR1, BTK106 big
Go to item page Right Arrow Icon of Right Arrow

200W RMS 8" PRO Full-Range Coaxial Horn Speakers with Speaker Baffles, Sound Damping, Roller, and Panel Removal Kit

• 200 watts Max Each, 100 watts RMS Each
• 1" Aluminum Horn Tweeters
• Heavy duty die-cast aluminum basket
• Advanced voice coil heat sink design for better heat dissipation
• Sensitivity: 103 dB
• Mounting Depth: 7.09"

Save 15% Off Package Deals at Checkout!
shipping truck icon Free shipping in USA. Provide zip for delivery date.
install icon

Install kits available for most vehicles

found car based on your search
Fits your 528i
142
List price $622.70
$595.80 /pair

In stock.

• 200 watts Max Each, 100 watts RMS Each
• 1" Aluminum Horn Tweeters
• Heavy duty die-cast aluminum basket
• Advanced voice coil heat sink design for better heat dissipation
• Sensitivity: 103 dB
• Mounting Depth: 7.09"

Diamond Audio MS8NEO with Sound Damping

1400W Peak 700W 8″ MS Neo Series Midrange Coaxial Speakers + NVX SDSK2 Sound Damping

MS8NEO_SDSK2 big
Go to item page Right Arrow Icon of Right Arrow

1400W Peak 700W 8″ MS Neo Series Midrange Coaxial Speakers + NVX SDSK2 Sound Damping

• 700 watts Max Each, 350 watts RMS Each
• Neodymium Cone Tweeters
• Waterproof Black DUPONT™ Kevlar Cone
• Impedance: 4 ohm
• Sensitivity: 96 dB
• Mounting Depth: 3.15"

Save 15% Off Package Deals at Checkout!
shipping truck icon Free shipping in USA. Provide zip for delivery date.
found car based on your search
Fits your 528i
48
$814.98

In stock.

• 700 watts Max Each, 350 watts RMS Each
• Neodymium Cone Tweeters
• Waterproof Black DUPONT™ Kevlar Cone
• Impedance: 4 ohm
• Sensitivity: 96 dB
• Mounting Depth: 3.15"

Diamond Audio MSMB82NEO with Sound Damping

1400W Peak (700W RMS) 8" NEO Series 2-way 2-ohm Mid Bass Speaker + NVX SDSK2 Sound Damping

MSMB82NEO_SDSK2 big
Go to item page Right Arrow Icon of Right Arrow

1400W Peak (700W RMS) 8" NEO Series 2-way 2-ohm Mid Bass Speaker + NVX SDSK2 Sound Damping

• 700 watts Peak Each, 350 watts RMS Each
• DUPONT™ Kevlar cone material
• Impedance: 2 ohm
• Sensitivity: 92 dB

Save 15% Off Package Deals at Checkout!
shipping truck icon Free shipping in USA. Provide zip for delivery date.
found car based on your search
Fits your 528i
48
$894.98

In stock.

• 700 watts Peak Each, 350 watts RMS Each
• DUPONT™ Kevlar cone material
• Impedance: 2 ohm
• Sensitivity: 92 dB

Diamond Audio HXM8F4 with Sound Damping

600W Peak (300W RMS) 8" Elite Series 2-Way Marine Speaker System + NVX SDSK2 Sound Damping

HXM8F4_SDSK2 big
Go to item page Right Arrow Icon of Right Arrow

600W Peak (300W RMS) 8" Elite Series 2-Way Marine Speaker System + NVX SDSK2 Sound Damping

• 300 watts Max Each, 150 watts RMS Each
• 1" Cone Tweeter
• UV-Treated Thermal Molded Waterproof Cone Material
• Impedance: 4 ohm
• Sensitivity: 94 dB
• Mounting Depth: 3.15"

Save 15% Off Package Deals at Checkout!
shipping truck icon Free shipping in USA. Provide zip for delivery date.
Universal Icon
Universal – fits most vehicles.
Shop similar products or Update vehicle
48
List price $568.73
$564.98

In stock.

• 300 watts Max Each, 150 watts RMS Each
• 1" Cone Tweeter
• UV-Treated Thermal Molded Waterproof Cone Material
• Impedance: 4 ohm
• Sensitivity: 94 dB
• Mounting Depth: 3.15"

    Clear all
    why-shoping-with-sonic

    We love people and we're ready to help you! See what separates us from our competition.

    Take advantage of our VIP rewards like 10% back on your purchases, free 2-day shipping, extended warranties, and free returns! Gain access to all of these rewards without any membership fees.
    Get great discounted (and possibly FREE) installation accessories with most car stereo purchases. This includes dash kits, wiring harnesses and antenna adapters that you will need to properly install your new car stereo.
    We are an Authorized Dealer for all the brands we sell, including the most premium brands in car and marine audio such as Hertz, JL Audio, NVX, Rockford Fosgate, Kicker, Alpine, Kenwood and many more.
    Shop Deals and get up to 30% off premium brands! Shop Now! We are always looking out for the best products and deals to offer our customers. Don’t pay too much by shopping elsewhere!
    We have information on brands, gear, and more for you to explore! Check out our YouTube Channel for helpful how-to videos, product reviews, and Q&As. For a more detailed look, also visit our Learning Center!
    Our trained experts are here to assist you! They are just a phone call or click away to help you get the right gear for you and your vehicle!
    Why Shop With Us?
    Save up to 10 different vehicles in your garage
    Vehicle
    Store
    Delete

    2024 GMC Canyon

    1997 Lexus SC400

    2013 Honda Crosstour

    2008 BMW 528i

    2017 Dodge Durango

    2003 Dodge Durango

    2024 Genesis GV60

    2017 Hyundai Santa Fe

    2011 Ram 3500

    2015 Mazda 5

    Vehicle
    Store
    Delete

    2007 Harley Davidson VRSCX V-Rod

    2007 Harley Davidson FLHTCSE Screamin Eagle Electra Glide

    2008 Harley Davidson FXD Dyna Super Glide

    2000 Harley Davidson FXST Softail Standard

    Vehicle
    Store
    Delete

    2019 Can-Am Defender DPS HD5

    Add vehicle Clear all vehicles
    Where to find vehicle info
    Are you sure you want to clear your garage?
    This action cannot be undone. Confirm
    This category was not designed for products.
    If you continue, you will be redirected to a category customized for your vehicle. Continue
    Loading...
    Identify your vehicle and submodel details
    • Owner's manual
    • Vehicle's insurance card
    • Vehicle registration
    • Vehicle produced after 2005: Inside driver's side door
    • Vehicle produced before 2005: Rear passenger doorjamb, glove box, center console, or engine compartment
    Car Info Side Door Icon
    Vehicle Registration Icon
    Vehicle Insurance Icon

    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
    • You get the correct accessories the first time

    Whether you're replacing a factory stereo or upgrading your entire audio system, the Fit Finder eliminates uncertainty.