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2008 BMW 528xi

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Subwoofers and enclosures, specifically designed for your 2008 528xi, 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 528xi

A subwoofer that works with, or is designed for, your 2008 BMW 528xi 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 528xi.

Subwoofer bass packages

Universal Subwoofer Bass Packages

These packages include an amp, sub(s), an enclosure and amplifier wiring. They should fit your BMW 528xi, 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 528xi, 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 528xi, 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.
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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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Metra OS-BMW84V3

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

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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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Fits your 528xi
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

Bavsound BSD.GUSW.8O-KIT

640W Peak (320W RMS) Ghost Series 8-ohm Underseat Subwoofers for select 2002-2025 vehicles from BMW, MINI

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Bavsound BSD.GUSW.8O-KIT

640W Peak (320W RMS) Ghost Series 8-ohm Underseat Subwoofers for select 2002-2025 vehicles from BMW, MINI

• Underseat subwoofer for select 2002-2025 vehicles from BMW, MINI
• Peak Power: 320 watts each
• RMS Power: 160 watts each
• Impedance: 8 ohm
• Polypropylene Subwoofer Cone
• Rubber Subwoofer Surround
• Includes protective subwoofer grilles

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Fits your 528xi
$649.00

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• Underseat subwoofer for select 2002-2025 vehicles from BMW, MINI
• Peak Power: 320 watts each
• RMS Power: 160 watts each
• Impedance: 8 ohm
• Polypropylene Subwoofer Cone
• Rubber Subwoofer Surround
• Includes protective subwoofer grilles

Bavsound BSD.GUSW.4O-KIT

640W Peak (320W RMS) Ghost Series 4-ohm Underseat Subwoofers for select 2002-2025 vehicles from BMW, MINI

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Bavsound BSD.GUSW.4O-KIT

640W Peak (320W RMS) Ghost Series 4-ohm Underseat Subwoofers for select 2002-2025 vehicles from BMW, MINI

• Underseat subwoofer for select 2002-2025 vehicles from BMW, MINI
• Peak Power: 320 watts each
• RMS Power: 160 watts each
• Impedance: 4 ohm
• Polypropylene Subwoofer Cone
• Rubber Subwoofer Surround
• Includes protective subwoofer grilles

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found car based on your search
Fits your 528xi
$649.00

In stock.

Add to Cart

• Underseat subwoofer for select 2002-2025 vehicles from BMW, MINI
• Peak Power: 320 watts each
• RMS Power: 160 watts each
• Impedance: 4 ohm
• Polypropylene Subwoofer Cone
• Rubber Subwoofer Surround
• Includes protective subwoofer grilles

Metra OS-BMW82V3

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

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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

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found car based on your search
Fits your 528xi
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

Bavsound BSD.GUSW.8O.SELFTAPSCREWS-KIT

640W Peak (320W RMS) Ghost Series 8-ohm Underseat Subwoofers with Self-Tapping Screws for select 2002-2025 vehicles from BMW, MINI

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Bavsound BSD.GUSW.8O.SELFTAPSCREWS-KIT

640W Peak (320W RMS) Ghost Series 8-ohm Underseat Subwoofers with Self-Tapping Screws for select 2002-2025 vehicles from BMW, MINI

• Underseat subwoofer for select 2002-2025 vehicles from BMW, MINI
• Peak Power: 320 watts each
• RMS Power: 160 watts each
• Impedance: 8 ohm
• Polypropylene Subwoofer Cone
• Rubber Subwoofer Surround
• Includes grilles and self-tapping screws

shipping truck icon Free shipping in USA. Provide zip for delivery date.
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VIP Product Get $64.90 in rewards to spend later

found car based on your search
Fits your 528xi
$649.00

In stock.

Add to Cart

• Underseat subwoofer for select 2002-2025 vehicles from BMW, MINI
• Peak Power: 320 watts each
• RMS Power: 160 watts each
• Impedance: 8 ohm
• Polypropylene Subwoofer Cone
• Rubber Subwoofer Surround
• Includes grilles and self-tapping screws

Bavsound BSD.SW.E38R.ALL-KIT

400W Peak (200W RMS) 7 Series 4-ohm Rear Deck Subwoofer Replacement Kit for select 2002-2025 vehicles from BMW, MINI

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Bavsound BSD.SW.E38R.ALL-KIT

400W Peak (200W RMS) 7 Series 4-ohm Rear Deck Subwoofer Replacement Kit for select 2002-2025 vehicles from BMW, MINI

• Subwoofer replacement kit for select 2002-2025 vehicles from BMW, MINI
• Peak Power: 100 watts each
• RMS Power: 25 watts each
• Impedance: 4 ohm
• Woven Glass Fiber Subwoofer Cone
• Butyl Rubber Subwoofer Surround

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$399.00

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• Subwoofer replacement kit for select 2002-2025 vehicles from BMW, MINI
• Peak Power: 100 watts each
• RMS Power: 25 watts each
• Impedance: 4 ohm
• Woven Glass Fiber Subwoofer Cone
• Butyl Rubber Subwoofer Surround

Diamond Audio VSP8BMW

Specific-fit 8” Subwoofers for select 2004-2025 vehicles from BMW (Pair)

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Diamond Audio VSP8BMW

Specific-fit 8” Subwoofers for select 2004-2025 vehicles from BMW (Pair)

• 200 Watts Max Each
• 100 Watts RMS Each
• Glass Fiber Reinforced Cone
• High-Strength Stamped Steel Frame
• FEA Optimized High-Power Neodymium Motor Structure
• Separate Optimized Crossover Module

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Fits select models only.
Add details to confirm fitment.
$499.99

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• 200 Watts Max Each
• 100 Watts RMS Each
• Glass Fiber Reinforced Cone
• High-Strength Stamped Steel Frame
• FEA Optimized High-Power Neodymium Motor Structure
• Separate Optimized Crossover Module

Limited time!

NVX VCW124 Version 3 (VCW124v3)

2400W Peak (1200W RMS) 12" VC-Series v3 Dual 4-ohm Car Subwoofer

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NVX VCW124 Version 3 (VCW124v3)

2400W Peak (1200W RMS) 12" VC-Series v3 Dual 4-ohm Car Subwoofer

• Peak Power: 2400 watts
• RMS Power: 1200 watts
• Impedance: Dual 4 ohm
• Carbon Fiber Enhanced Non-Pressed Paper Cone
• Custom High Roll Foam Surround with black nylon stitching
• Mount depth: 7.02"
• Sensitivity: 85 dB (1W/1m)

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132
List price $287.99
-17% $239.99

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NVX SQW104

1200W Peak (600W RMS) 10" SQ-Series Dual 4-ohm Shallow-Mount Car Subwoofer

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NVX SQW104

1200W Peak (600W RMS) 10" SQ-Series Dual 4-ohm Shallow-Mount Car Subwoofer

• Peak Power: 1200 watts
• RMS Power: 600 watts
• Impedance: Dual 4 ohm
• Polypropylene Cone
• Rubber Surround
• Mount depth: 3.23"
• Sensitivity: 83 dB

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List price $299.99
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Used from: $174.99

• Peak Power: 1200 watts
• RMS Power: 600 watts
• Impedance: Dual 4 ohm
• Polypropylene Cone
• Rubber Surround
• Mount depth: 3.23"
• Sensitivity: 83 dB

Tru Spec Dual 12in P (1460YX)

Empty Dual 12" Vented Prefabricated Enclosure for Sundown SA 12" Subwoofers

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Tru Spec Dual 12in P (1460YX)

Empty Dual 12" Vented Prefabricated Enclosure for Sundown SA 12" Subwoofers

• 12" Dual Ported Subwoofer Enclosure
• 3/4" Medium Density Fiberboard (MDF) construction
• Total box volume: 3.50 cubic feet
• Compatible for Sundown SA 12V2 subwoofers (Sold separately)

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List price $299.99
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NVX SQW124

1200W Peak (600W RMS) 12" SQ-Series Dual 4-ohm Shallow-Mount Car Subwoofer

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NVX SQW124

1200W Peak (600W RMS) 12" SQ-Series Dual 4-ohm Shallow-Mount Car Subwoofer

• Peak Power: 1200 watts
• RMS Power: 600 watts
• Impedance: Dual 4 ohm
• Polypropylene Cone
• Rubber Surround
• Mount depth: 3.51"
• Sensitivity: 84 dB

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List price $359.99
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• Peak Power: 1200 watts
• RMS Power: 600 watts
• Impedance: Dual 4 ohm
• Polypropylene Cone
• Rubber Surround
• Mount depth: 3.51"
• Sensitivity: 84 dB

Single 10" Sealed MDF Subwoofer Enclosure (Belva MDFS10)

10-inch Sealed Car Sub Box Made with 3/4" MDF and lined w/ Polyfil (0.77 cu ft airspace 10SQTC)

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Single 10" Sealed MDF Subwoofer Enclosure (Belva MDFS10)

10-inch Sealed Car Sub Box Made with 3/4" MDF and lined w/ Polyfil (0.77 cu ft airspace 10SQTC)

• 0.77 cu ft Sealed Enclosure
• 3/4" Medium Density Fiberboard Construction
• Durable Black Carpeting
• Pre-Lined with Poly-Fil
• Gold Speaker Terminals

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121
List price $99.99
-40% $59.99

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Used from: $41.99

JL Audio 12W6v3-D4

600W RMS 12" W6v3 Series Dual 4-ohm Car Subwoofer

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JL Audio 12W6v3-D4

600W RMS 12" W6v3 Series Dual 4-ohm Car Subwoofer

• RMS Power: 600 watts
• Impedance: Dual 4 ohm
• Mineral-Filled Polypropylene Cone
• Butyl Rubber Surround
• Mount depth: 7.52"
• Sensitivity: 85.4 dB

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$949.99

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Used from: $807.49
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NVX VCW122 Version 3 (VCW122v3)

2400W Peak (1200W RMS) 12" VC-Series v3 Dual 2-ohm Car Subwoofer

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NVX VCW122 Version 3 (VCW122v3)

2400W Peak (1200W RMS) 12" VC-Series v3 Dual 2-ohm Car Subwoofer

• Peak Power: 2400 watts
• RMS Power: 1200 watts
• Impedance: Dual 2 ohm
• Carbon Fiber Enhanced Non-Pressed Paper Cone
• Custom High Roll Foam Surround with black nylon stitching
• Mount depth: 7.02"
• Sensitivity: 85 dB (1W/1m)

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94
List price $287.99
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JL Audio 10TW3-D4

400W RMS 10" TW3 Series Dual 4-ohm Shallow Subwoofer

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JL Audio 10TW3-D4

400W RMS 10" TW3 Series Dual 4-ohm Shallow Subwoofer

• RMS Power: 400 watts
• Polymer/Mica Composite Cone
• Rubber Surround
• Impedance: Dual 4 ohm
• Mount depth: 3.25"
• Sensitivity: 82.10 dB

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$519.99

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Single 12" Vented MDF Subwoofer Enclosure (Belva 1SV12B)

12-inch Vented Car Sub Box Made with 3/4" MDF and lined w/ Polyfil (1.8 cu ft airspace 1SV12B)

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Single 12" Vented MDF Subwoofer Enclosure (Belva 1SV12B)

12-inch Vented Car Sub Box Made with 3/4" MDF and lined w/ Polyfil (1.8 cu ft airspace 1SV12B)

• Single 12" Vented MDF Enclosure
• Holds one 12" subwoofer
• 3/4 MDF (Medium Density Fiberboard) Construction
• Durable black carpeting
• Gold Terminals
• Internal Box Volume: 1.8 cubic ft.

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NVX VCW82 Version 3 (VCW82v3)

1300W Peak (650W RMS) 8" VC-Series v3 Dual 2-ohm Car Subwoofer

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NVX VCW82 Version 3 (VCW82v3)

1300W Peak (650W RMS) 8" VC-Series v3 Dual 2-ohm Car Subwoofer

• Peak Power: 1300 watts
• RMS Power: 650 watts
• Impedance: Dual 2 ohm
• Carbon Fiber Enhanced Non-Pressed Paper Cone
• High Roll Foam Surround with black nylon stitching
• Mount depth: 5.31"
• Sensitivity: 83 dB (1W/1m)

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JL Audio BassWedge CP210-W0v3

600W RMS Dual 10" W0v3 BassWedge Series Enclosed Subwoofer System

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JL Audio BassWedge CP210-W0v3

600W RMS Dual 10" W0v3 BassWedge Series Enclosed Subwoofer System

•Dual 10" 10W0v3-4 Loaded Ported Enclosure
• 1200W Peak
• 600W RMS
• Top-Quality MDF Construction
• Durable Dark Gray Carpet Finish
• Five-Way Binding Post Connectors
• Embroidered JL Audio Logo

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Kicker DL7R122 (45DL7R122)

2400W Peak (1200W RMS) Loaded Dual 12" Vented Enclosure

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Kicker DL7R122 (45DL7R122)

2400W Peak (1200W RMS) Loaded Dual 12" Vented Enclosure

• Ported enclosure with 2 12" Solo-Baric L7R Series Subwoofer
• 1200 watts RMS (2400 watts Peak)
• Final Impedance: 2-ohm
• Dimensions: 33-3/4" L x 15-7/8" H x 15-1/4" W x 20-3/8" W2

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JL Audio 10W0v3-4

300W RMS 10" W0v3 Series Single 4-ohm Car Subwoofer

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JL Audio 10W0v3-4

300W RMS 10" W0v3 Series Single 4-ohm Car Subwoofer

• RMS Power: 300 watts
• Impedance: Single 4 ohm
• Mount depth: 4.90"
• Sensitivity: 84.07 dB

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