Garage
Shop
Loading...
Filters
filter-icon Filters & Sort

Massive Audio MA8 (Sold Individually) with Sound Damping

350W Peak (150W RMS) 8" MA Series 8-ohm Pro-Audio Midrange Car Speaker + NVX SDBSK2 Premium Sound Damping

MA-MA8_SDBSK2 big
Go to item page Right Arrow Icon of Right Arrow

350W Peak (150W RMS) 8" MA Series 8-ohm Pro-Audio Midrange Car Speaker + NVX SDBSK2 Premium Sound Damping

• 350 watts Peak Each, 150 watts RMS Each
• Hardened Paper cone material
• Impedance: 8 ohm
• Sensitivity: 96 dB

shipping truck icon Free shipping in USA. Provide zip for delivery date.
found car based on your search
Fits your 128i
47
List price $81.23
-26% $59.98

Available

Ships in 10-14 days

• 350 watts Peak Each, 150 watts RMS Each
• Hardened Paper cone material
• Impedance: 8 ohm
• Sensitivity: 96 dB

Massive Audio MC 8II (Sold Individually) with Sound Damping

600W Peak (200W RMS) 8" MC Series 8-ohm Pro-Audio Midrange Car Speaker + NVX SDBSK2 Premium Sound Damping

MC8II_SDBSK2 big
Go to item page Right Arrow Icon of Right Arrow

600W Peak (200W RMS) 8" MC Series 8-ohm Pro-Audio Midrange Car Speaker + NVX SDBSK2 Premium Sound Damping

• 600 watts Peak Each, 200 watts RMS Each
• Kevlar-Enhanced Paper cone material
• Impedance: 8 ohm
• Sensitivity: 98.1 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 128i
47
List price $118.73
-20% $94.98

Available

Ships in 10-14 days

• 600 watts Peak Each, 200 watts RMS Each
• Kevlar-Enhanced Paper cone material
• Impedance: 8 ohm
• Sensitivity: 98.1 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 128i
47
$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"

Hertz SX 200 NEO with Sound Damping

520W Peak (260W RMS) 8" NEO SPL Series 2-way 4-ohms coaxial car speakers + NVX SDSK2 Sound Damping

SX200NEO_SDSK2 big
Go to item page Right Arrow Icon of Right Arrow

520W Peak (260W RMS) 8" NEO SPL Series 2-way 4-ohms coaxial car speakers + NVX SDSK2 Sound Damping

• 260 watts Peak Each, 130 watts RMS Each
• 1-3/4" PEI (Polyetherimide) Dome Tweeters
• Paper cone material
• Impedance: 4 ohm
• Sensitivity: 99.5 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 128i
48
List price $723.74
-15% $614.98

Available

Ships in 10-14 days

• 260 watts Peak Each, 130 watts RMS Each
• 1-3/4" PEI (Polyetherimide) Dome Tweeters
• Paper cone material
• Impedance: 4 ohm
• Sensitivity: 99.5 dB

Diamond Audio DMD42 (2-Pairs, 4-Total)

240W Peak (120W RMS) 4" DMD Series 2-way Coaxial Car Speakers (2-Pairs)

DMD42_2 big
Go to item page Right Arrow Icon of Right Arrow

240W Peak (120W RMS) 4" DMD Series 2-way Coaxial Car Speakers (2-Pairs)

• 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 128i.
Add vehicle details to confirm exact location.
List price $239.98
-8% $219.98

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

Hertz SX 200 NEO (2-Pairs, 4-Total)

1040W Peak (520W RMS) 8" NEO SPL Series 2-way 4-ohms coaxial car speakers (2-Pairs)

SX200NEO_2 big
Go to item page Right Arrow Icon of Right Arrow

1040W Peak (520W RMS) 8" NEO SPL Series 2-way 4-ohms coaxial car speakers (2-Pairs)

• 260 watts Peak Each, 130 watts RMS Each
• 1-3/4" PEI (Polyetherimide) Dome Tweeters
• Paper cone material
• Impedance: 4 ohm
• Sensitivity: 99.5 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 128i
1
List price $1410.00
-15% $1,199.98

Available

Ships in 10-14 days

• 260 watts Peak Each, 130 watts RMS Each
• 1-3/4" PEI (Polyetherimide) Dome Tweeters
• Paper cone material
• Impedance: 4 ohm
• Sensitivity: 99.5 dB

Infinity Reference REF-4032cfx (2-Pairs, 4-Total)

420W Peak (140W RMS) Reference Series 4" 2-Way Car Speakers (2-Pairs)

REF4032CFXAM_2 big
Go to item page Right Arrow Icon of Right Arrow

420W Peak (140W RMS) Reference Series 4" 2-Way Car Speakers (2-Pairs)

• 105 watts Peak Each, 35 watts RMS Each
• 1" Textile Balanced Dome Tweeters
• Polypropylene cone material
• Impedance: 3 ohm
• Sensitivity: 92 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 128i.
Add vehicle details to confirm exact location.
1
List price $279.90
-43% $159.98

In stock.

• 105 watts Peak Each, 35 watts RMS Each
• 1" Textile Balanced Dome Tweeters
• Polypropylene cone material
• Impedance: 3 ohm
• Sensitivity: 92 dB

Massive Audio MX4 (2-Pairs, 4-Total)

600W Max (120W RMS) 4" MX Series 2-Way Coaxial Car Speakers (2-Pairs)

MA-MX4_2 big
Go to item page Right Arrow Icon of Right Arrow

600W Max (120W RMS) 4" MX Series 2-Way Coaxial Car Speakers (2-Pairs)

• 150W Max Each, 30W RMS Each
• .5" PEI Tweeter
• Laminated Paper Cone
• 4 ohm Impedance
• Sensitivity: 91.5 dB
• Mounting Depth: 1.63"

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 128i.
Add vehicle details to confirm exact location.
1
List price $99.98
-20% $79.98

Available

Ships in 10-14 days

• 150W Max Each, 30W RMS Each
• .5" PEI Tweeter
• Laminated Paper Cone
• 4 ohm Impedance
• Sensitivity: 91.5 dB
• Mounting Depth: 1.63"

Rockford Fosgate Prime R14X2 (Open Box, Great)

120W Peak (60W RMS) 4” Prime Series 2-way 4-ohm Coaxial Car Speaker

R14X2 big
Go to item page Right Arrow Icon of Right Arrow

120W Peak (60W RMS) 4” Prime Series 2-way 4-ohm Coaxial Car Speaker

• 60 watts Peak Each, 30 watts RMS Each
• 1/2" Silk Dome tweeters
• Vacuum polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 85 dB

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 128i.
Add vehicle details to confirm exact location.
14
List price $64.99
-15% $55.24 /pair

In stock

JL Audio C2-400x (Open Box, Great)

100W Peak (70W RMS) 4” Evolution C2 Series 2-way 4-ohm Coaxial Car Speakers

C2-400X big
Go to item page Right Arrow Icon of Right Arrow

100W Peak (70W RMS) 4” Evolution C2 Series 2-way 4-ohm Coaxial Car Speakers

• 50 watts Peak Each, 35 watts RMS Each
• 0.75" Silk Dome Tweeters
• 2 speaker grilles included
• Mica Injected Polypropylene - MIPP cone material
• Impedance: 4 ohm
• Sensitivity: 87.5 dB

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 128i.
Add vehicle details to confirm exact location.
9
List price $189.99
-15% $161.49 /pair

In stock

Limited time!

NVX NSP4

300W Peak (100W RMS) 4" N-Series 2-Way Coaxial Car Speakers

NSP4 big
Go to item page Right Arrow Icon of Right Arrow

300W Peak (100W RMS) 4" N-Series 2-Way Coaxial Car Speakers

• 150 watts Peak Each, 50 watts RMS Each
• 3/4" Silk Dome tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 86 dB
• Mounting Depth: 1.88"

Free Speaker Accessory 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 128i.
Add vehicle details to confirm exact location.
25
List price $59.99
-25% $44.99 /pair

In stock

Used from: $27.99

NVX VSP4

450W Peak (150W RMS) 4" V-Series 2 Way Coaxial Car Speakers

VSP4 big
Go to item page Right Arrow Icon of Right Arrow

450W Peak (150W RMS) 4" V-Series 2 Way Coaxial Car Speakers

• 225 watts Peak Each, 75 watts RMS Each
• 1" Silk Dome tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 86 dB
• Mounting Depth: 2.04"

2+ offers available
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 128i.
Add vehicle details to confirm exact location.
17
List price $65.99
-17% $54.99 /pair

In stock

Continue to cart

Available Offers (2) for NVX VSP4
Offer image
Dads & Grads Sale! Save 15% at Checkout!
List price $65.99
-17% $54.99
$46.74 with coupon | Price details
2026-06-30 23:59:00
Free Speaker Accessory at Checkout!
Used from: $38.49

DS18 PRO-X8MSE (Pair)

1100W Peak (500W RMS) 8" PRO-X Series Midrange Loudspeakers Sealed Back (Pair)

Go to item page Right Arrow Icon of Right Arrow

1100W Peak (500W RMS) 8" PRO-X Series Midrange Loudspeakers Sealed Back (Pair)

• 550 watts Peak Each, 275 watts RMS Each
• Glossy Red steel basket
• Non-Pressed Paper cone material
• Impedance: 8 ohm
• Sensitivity: 97 dB

found car based on your search
Fits your 128i
List price $135.90
$131.82

• 550 watts Peak Each, 275 watts RMS Each
• Glossy Red steel basket
• Non-Pressed Paper cone material
• Impedance: 8 ohm
• Sensitivity: 97 dB

Rockford Fosgate Punch Pro PPS4-8 (Sold Individually)

250 Peak (125W RMS) 8” Punch Pro Series Pro-Audio 4-ohm Speaker

Go to item page Right Arrow Icon of Right Arrow

250 Peak (125W RMS) 8” Punch Pro Series Pro-Audio 4-ohm Speaker

• 200 watts Peak Each, 100 watts RMS Each
• Fiber-Reinforced High Strength Paper cone material
• Impedance: 4 ohm
• Sensitivity: 95 dB

VIP Star Icon

VIP Product Get $10.00 in rewards to spend later

install icon

Install kits available for most vehicles

found car based on your search
Fits your 128i

• 200 watts Peak Each, 100 watts RMS Each
• Fiber-Reinforced High Strength Paper cone material
• Impedance: 4 ohm
• Sensitivity: 95 dB

Limited time!

Rockford Fosgate Punch P1 P142

120W Peak (60W RMS) 4" Punch Series 2 Way Coaxial 4-ohm Speakers

Go to item page Right Arrow Icon of Right Arrow

120W Peak (60W RMS) 4" Punch Series 2 Way Coaxial 4-ohm Speakers

• 60 watts Peak Each, 30 watts RMS Each
• 3/4" PEI (Polyetherimide) Dome tweeters
• Injection-molded mineral-filled polypropylene cone material with VAST technology
• Impedance: 4 ohm
• Sensitivity: 86.5 dB

Free Speaker Accessory at Checkout!
VIP Star Icon

VIP Product Get $11.00 in rewards to spend later

install icon

Install kits available for most vehicles

additional information required
Fits select locations in your 128i.
Add vehicle details to confirm exact location.
11
$109.99 /pair

• 60 watts Peak Each, 30 watts RMS Each
• 3/4" PEI (Polyetherimide) Dome tweeters
• Injection-molded mineral-filled polypropylene cone material with VAST technology
• Impedance: 4 ohm
• Sensitivity: 86.5 dB

Limited time!

Metra OS-BMW4V4

690W Peak (230W RMS) 4" OptiSound Series Direct Replacement Front Door 2-Way Component 4-ohm Speakers for

Go to item page Right Arrow Icon of Right Arrow

690W Peak (230W RMS) 4" OptiSound Series Direct Replacement Front Door 2-Way Component 4-ohm Speakers for

• 345 watts Peak Each, 115 watts RMS Each
• 1" Silk Dome tweeters
• Impedance: 4 ohm
• Sensitivity: 90 dB
• Direct fit for

Free Speaker Accessory at Checkout!
VIP Star Icon

VIP Product Get $28.80 in rewards to spend later

found car based on your search
Fits your 128i
List price $319.99
-10% $287.99

• 345 watts Peak Each, 115 watts RMS Each
• 1" Silk Dome tweeters
• Impedance: 4 ohm
• Sensitivity: 90 dB
• Direct fit for

JBL STAGE3 GEN2 48F (STAGE348F)

800W Peak (100W RMS) 4" Stage3 Gen2 Series 2-Way Coaxial 4-ohm Car Speakers

Go to item page Right Arrow Icon of Right Arrow

800W Peak (100W RMS) 4" Stage3 Gen2 Series 2-Way Coaxial 4-ohm Car Speakers

• 400 watts Peak Each, 50 watts RMS Each
• PEI (Polyetherimide) Balanced Dome Tweeters
• Plus One Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 89 dB

install icon

Install kits available for most vehicles

additional information required
Fits select locations in your 128i.
Add vehicle details to confirm exact location.
List price $89.95
-22% $69.95 /pair

• 400 watts Peak Each, 50 watts RMS Each
• PEI (Polyetherimide) Balanced Dome Tweeters
• Plus One Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 89 dB

Limited time!

NVX VPRO8 (Sold Individually)

550W Peak (275W RMS) 8" V-Series Pro 2 Way Coaxial Loudspeaker

Go to item page Right Arrow Icon of Right Arrow

550W Peak (275W RMS) 8" V-Series Pro 2 Way Coaxial Loudspeaker

• 550 watts Peak Each, 275 watts RMS Each
• 1" Aluminum Bullet tweeter
• Competition Grade Paper cone material
• Impedance: 4 ohm
• Sensitivity: 96 dB

Dads & Grads Sale! Save 15% at Checkout!
install icon

Install kits available for most vehicles

found car based on your search
Fits your 128i
List price $107.99
-31% $74.99
Used from: $52.49

• 550 watts Peak Each, 275 watts RMS Each
• 1" Aluminum Bullet tweeter
• Competition Grade Paper cone material
• Impedance: 4 ohm
• Sensitivity: 96 dB

American Bass SQ-4-FR

180W Peak (90W RMS) 4" SQ Series 2 Way Full Range Coaxial 4-ohm Speakers

Go to item page Right Arrow Icon of Right Arrow

180W Peak (90W RMS) 4" SQ Series 2 Way Full Range Coaxial 4-ohm Speakers

• 90 watts Peak Each, 45 watts RMS Each
• Swivel 3/4" Neodymium Dome Tweeters
• Glass Carbon Fiber cone material
• Impedance: 4 ohm
• Sensitivity: 86 dB

install icon

Install kits available for most vehicles

additional information required
Fits select locations in your 128i.
Add vehicle details to confirm exact location.
List price $68.84
-34% $45.23 /pair

• 90 watts Peak Each, 45 watts RMS Each
• Swivel 3/4" Neodymium Dome Tweeters
• Glass Carbon Fiber cone material
• Impedance: 4 ohm
• Sensitivity: 86 dB

Limited time!

Kenwood KFC-C1056S

440W Peak (42W RMS) 4" 2-Way Dual Cone 4-ohm Car Speakers

Go to item page Right Arrow Icon of Right Arrow

440W Peak (42W RMS) 4" 2-Way Dual Cone 4-ohm Car Speakers

• 220 watts Peak Each, 21 watts RMS Each
• Polypropylene cone material
• Smaller whizzer cone to extend its frequency response
• Impedance: 4 ohm
• Sensitivity: 88 dB

install icon

Install kits available for most vehicles

additional information required
Fits select locations in your 128i.
Add vehicle details to confirm exact location.
1
List price $70.00
Save 44%
-44% $39.00 /pair

• 220 watts Peak Each, 21 watts RMS Each
• Polypropylene cone material
• Smaller whizzer cone to extend its frequency response
• Impedance: 4 ohm
• Sensitivity: 88 dB

Items per page: 20 40 60

    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?
    FAQ for Speakers in 2013 128i

    Q: Can I upgrade or change the Speakers in 2013 BMW 128i?

    A: Yes this page includes all the best Speakers that work in your 128i.

    Save up to 10 different vehicles in your garage
    Vehicle
    Store
    Delete

    2010 Rolls Royce Ghost

    1979 Jeep CJ7

    2017 Nissan Altima

    1999 Volvo V70

    2013 BMW 128i

    2004 GMC Envoy XUV

    1993 Mazda B2600

    2007 Ford Five Hundred

    1997 Audi A8

    1984 Chrysler E Class

    Vehicle
    Store
    Delete

    2017 Can-Am Defender XT HD8

    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.