Garage
Shop
Loading...
Filters
filter-icon Filters & Sort
Limited time!

Cerwin-Vega H40

300W Peak (100W RMS) 4" Vega Series 2-Way Coaxial 4-ohm Speakers

H40 big
Go to item page Right Arrow Icon of Right Arrow

300W Peak (100W RMS) 4" Vega Series 2-Way Coaxial 4-ohm Speakers

• 150 watts Peak Each, 50 watts RMS Each
• 1" PEI (Polyetherimide) Balanced Dome Tweeters
• UV-Treated Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 84 dB

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

found car based on your search
Fits the following location in your 328i
  • Rear Deck Corner
List price $95.99
-17% $79.99 /pair

Available

Ships in 10-14 days

Limited time!

Kicker CSS65 (46CSS654)

600W Peak (200W RMS) 6.5" CS Series 2 Way Component 4-ohm Speaker System

46CSS654 big
Go to item page Right Arrow Icon of Right Arrow

600W Peak (200W RMS) 6.5" CS Series 2 Way Component 4-ohm Speaker System

• 300 watts Max Each, 100 watts RMS Each
• 3/4" Titanium Dome tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 90 dB
• Mounting Depth: 9/16"

shipping truck icon Free shipping in USA. Provide zip for delivery date.
VIP Star Icon

VIP Product Get $14.40 in rewards to spend later

install icon

Save $8 on install kits for this speaker

found car based on your search
Fits the following location in your 328i
9
List price $199.99
Save $56.03
-28% $143.96 /set

In stock

Used from: $125.99

Hertz MPK165.3

440W Peak (220W RMS) 6.5" Mille PRO Series 2-Way 4 Ohm Component Speaker System

MPK 165.3 big
Go to item page Right Arrow Icon of Right Arrow

440W Peak (220W RMS) 6.5" Mille PRO Series 2-Way 4 Ohm Component Speaker System

• 220 watts Peak Each, 110 watts RMS Each
• 1" Tetolon Soft Dome tweeters
• Pressed Pulp Fiber cone material
• Impedance: 4 ohm
• Sensitivity: 92 dB

shipping truck icon Free shipping in USA. Provide zip for delivery date.
VIP Star Icon

VIP Product Get $60.00 in rewards to spend later

install icon

Save $8 on install kits for this speaker

found car based on your search
Fits the following location in your 328i
2
List price $705.00
-15% $599.99 /set

In stock

Limited time!

Infinity Kappa 683XF (INFSPKKA683XFAM)

600W Peak (200W RMS) 6x8" Kappa Series 2-Way Coaxial 3-ohm Car Speakers

Kappa 683XF big
Go to item page Right Arrow Icon of Right Arrow

600W Peak (200W RMS) 6x8" Kappa Series 2-Way Coaxial 3-ohm Car Speakers

• 300 watts Peak Each, 100 watts RMS Each
• 3/4" Textile Edge Driven Dome tweeters
• Glass Fiber cone material
• Plus One woofer cone architecture
• Impedance: 3 ohm
• Sensitivity: 93 dB

Free Speaker Accessory at Checkout!
shipping truck icon Free shipping in USA. Provide zip for delivery date.
VIP Star Icon

VIP Product Get $22.40 in rewards to spend later

install icon

Install kits available for most vehicles

found car based on your search
Fits the following location in your 328i
  • Front Door
3
List price $329.95
Save $106.00
-32% $223.95 /pair

In stock

Only 2 Left!

Limited time!

JBL STAGE2 65

120W Peak (60W RMS) 6.5" Stage 2 Gen 2 Series 2 Way Coaxial Speakers

STAGE2 65 big
Go to item page Right Arrow Icon of Right Arrow

120W Peak (60W RMS) 6.5" Stage 2 Gen 2 Series 2 Way Coaxial Speakers

• 60 watts Peak Each, 30 watts RMS Each
• PEI (Polyetherimide) Edge Driven Dome tweeters
• Polypropylene cone material
• Sensitivity: 87 dB

shipping truck icon Free shipping in USA. Provide zip for delivery date.
install icon

Save $8 on install kits for this speaker

found car based on your search
Fits the following location in your 328i
List price $64.95
Save 9%
-9% $58.95 /pair

In stock

Limited time!

MTX Audio THUNDER68

120W RMS 6x8" Thunder Series 2 Way Coaxial 4-ohm Speakers

THUNDER68 big
Go to item page Right Arrow Icon of Right Arrow

120W RMS 6x8" Thunder Series 2 Way Coaxial 4-ohm Speakers

• 60 watts RMS Each
• 1" Silk Dome tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 92 dB

Free Speaker Accessory at Checkout!
shipping truck icon Free shipping in USA. Provide zip for delivery date.
VIP Star Icon

VIP Product Get $11.20 in rewards to spend later

install icon

Install kits available for most vehicles

found car based on your search
Fits the following location in your 328i
  • Front Door
1
List price $129.95
Save $17.99
-14% $111.96 /pair

In stock

Alpine BRV-S65 (Like New (Open Box))

300W Peak (100W RMS) 6.5" BassRev Series 4-ohm 2-Way Coaxial Speaker Set

BRV-S65 big
Go to item page Right Arrow Icon of Right Arrow

300W Peak (100W RMS) 6.5" BassRev Series 4-ohm 2-Way Coaxial Speaker Set

• 150 watts Peak Each, 50 watts RMS Each
• 1" Polyester cloth Dome Tweeters
• Polypropylene-Mica cone material
• BassRev tuning via Alpine OPTIM8
• Impedance: 4 ohm
• Sensitivity: 84 dB

shipping truck icon Free shipping in USA. Provide zip for delivery date.
install icon

Save $8 on install kits for this speaker

found car based on your search
Fits the following location in your 328i
List price $360.00
-29% $254.96 /pair

In stock

Only 1 Left!

• 150 watts Peak Each, 50 watts RMS Each
• 1" Polyester cloth Dome Tweeters
• Polypropylene-Mica cone material
• BassRev tuning via Alpine OPTIM8
• Impedance: 4 ohm
• Sensitivity: 84 dB

Hertz CX 165

420W Peak (140W RMS) 6.5" Cento Series 2-Way Coaxial 4-ohm Car Speakers

CX 165 big
Go to item page Right Arrow Icon of Right Arrow

420W Peak (140W RMS) 6.5" Cento Series 2-Way Coaxial 4-ohm Car Speakers

• 210 watts Peak Each, 70 watts RMS Each
• 0.9" Tetolon Dome tweeters
• Semi-Pressed paper with Mica cone material
• Impedance: 4 ohm
• Sensitivity: 93 dB

shipping truck icon Free shipping in USA. Provide zip for delivery date.
VIP Star Icon

VIP Product Get $25.00 in rewards to spend later

install icon

Save $8 on install kits for this speaker

found car based on your search
Fits the following location in your 328i
2
List price $260.00
$249.99 /pair

In stock

Lowest price in 30 days

(4) KICKER CSC65 (43CSC654) 6.5" 1200W 4-Ohm Car Audio Coaxial Speakers

1200W Peak (400W RMS) 6.5" CS Series 2-Way Coaxial Speakers

43CSC654_X2 big
Go to item page Right Arrow Icon of Right Arrow

1200W Peak (400W RMS) 6.5" CS Series 2-Way Coaxial Speakers

• 300 Watts Max Each, 100 Watts RMS Each
• 1/2" Polyether imide (PEI) balanced dome tweeter
• Polypropylene mid-woofer cone material
• 4 Ohm Impedance
• Sensitivity: 90dB
• Mounting Depth: 3/8"

shipping truck icon Free shipping in USA. Provide zip for delivery date.
found car based on your search
Fits your 328i
127
List price $239.98
-33% $159.92

In stock

• 300 Watts Max Each, 100 Watts RMS Each
• 1/2" Polyether imide (PEI) balanced dome tweeter
• Polypropylene mid-woofer cone material
• 4 Ohm Impedance
• Sensitivity: 90dB
• Mounting Depth: 3/8"

JBL Stadium 62F

510W Peak (170W RMS) 6.5" Stadium Series 2-way Coaxial 3-ohm Speakers

Stadium 62F big
Go to item page Right Arrow Icon of Right Arrow

510W Peak (170W RMS) 6.5" Stadium Series 2-way Coaxial 3-ohm Speakers

• 255 watts Peak Each, 85 watts RMS Each
• 3/4" Aluminum Edge Driven Dome tweeters
• Glass Fiber cone material
• Impedance: 3 ohm
• Sensitivity: 93 dB

shipping truck icon Free shipping in USA. Provide zip for delivery date.
VIP Star Icon

VIP Product Get $24.00 in rewards to spend later

install icon

Save $8 on install kits for this speaker

found car based on your search
Fits the following location in your 328i
3
List price $289.95
-17% $239.95 /pair

In stock

Alpine S2-S40 (Like New (Open Box))

280W Peak (90W RMS) 4" Next Generation S-Series 2-way Coaxial 4-ohm Speakers

S2-S40 big
Go to item page Right Arrow Icon of Right Arrow

280W Peak (90W RMS) 4" Next Generation S-Series 2-way Coaxial 4-ohm Speakers

• 140 watts Peak Each, 45 watts RMS Each
• 0.8" Cloth Soft Dome Tweeters with in-line crossovers
• Interlaced Carbon-Glass Fiber Composite - IMPP 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

found car based on your search
Fits the following location in your 328i
  • Rear Deck Corner
List price $130.00
-37% $82.46 /pair

In stock

Only 1 Left!

Precision Power AS.57

240W Peak (120W RMS) 5x7" ATOM Series 2-way 4-ohm Coaxial Car Speakers

AS.57 big
Go to item page Right Arrow Icon of Right Arrow

240W Peak (120W RMS) 5x7" ATOM Series 2-way 4-ohm Coaxial Car Speakers

• 120 watts Peak Each, 60 watts RMS Each
• 1" Teteron Dome tweeters
• Polypropylene-coated Pressed Paper cone material
• Impedance: 4 ohm
• Sensitivity: 89.3 dB

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 the following location in your 328i
  • Front Door
$84.99 /pair

In stock

Only 1 Left!

Hifonics ZS65CXS

600W Peak (100W RMS) 6.5" Zeus Series 2-way 4-ohm Coaxial Car Speakers

ZS65CXS big
Go to item page Right Arrow Icon of Right Arrow

600W Peak (100W RMS) 6.5" Zeus Series 2-way 4-ohm Coaxial Car Speakers

• 300 watts Peak Each, 50 watts RMS Each
• 1" Neo-Mylar Soft Dome tweeters on Kapton former
• Alpha-Cellulose cone material
• Impedance: 4 ohm
• Sensitivity: 88 dB

shipping truck icon Free shipping in USA. Provide zip for delivery date.
install icon

Save $7 on install kits for this speaker

found car based on your search
Fits the following location in your 328i
18
List price $34.99
-6% $32.99 /pair

In stock

Limited time!

Alpine HDZ-65

600W Peak (200W RMS) 6.5” Status Series Hi-Res 2-Way Coaxial 4-ohm Car Speakers

HDZ-65 big
Go to item page Right Arrow Icon of Right Arrow

600W Peak (200W RMS) 6.5” Status Series Hi-Res 2-Way Coaxial 4-ohm Car Speakers

• 300 watts Peak Each, 100 watts RMS Each
• Hi-Res Audio Certified
• 1" Carbon Composite Cone Tweeters
• Carbon Composite cone material
• Impedance: 4 ohm
• Sensitivity: 88 dB

shipping truck icon Free shipping in USA. Provide zip for delivery date.
VIP Star Icon

VIP Product Get $52.80 in rewards to spend later

install icon

Save $8 on install kits for this speaker

found car based on your search
Fits the following location in your 328i
1
List price $790.00
Save $262.05
-33% $527.95 /pair

In stock

Only 2 Left!

Limited time!

Precision Power MAS.652HT

600W Peak (300W RMS) 6.5" MAS Series 2-Way Coaxial 2-ohm Horn Loaded Motorcycle Speakers

MAS.652HT big
Go to item page Right Arrow Icon of Right Arrow

600W Peak (300W RMS) 6.5" MAS Series 2-Way Coaxial 2-ohm Horn Loaded Motorcycle Speakers

• 300 watts Peak Each, 150 watts RMS Each
• Titanium Ring Radiator Tweeters
• Polypropylene cone material
• Impedance: 2 ohm
• Sensitivity: 93 dB

Flash Sale! Save at Checkout!
shipping truck icon Free shipping in USA. Provide zip for delivery date.
VIP Star Icon

VIP Product Get $45.00 in rewards to spend later

install icon

Save $8 on install kits for this speaker

found car based on your search
Fits the following location in your 328i
List price $579.99
-22% $449.99 /pair

In stock

Only 1 Left!

• 300 watts Peak Each, 150 watts RMS Each
• Titanium Ring Radiator Tweeters
• Polypropylene cone material
• Impedance: 2 ohm
• Sensitivity: 93 dB

Limited time!

MTX TERMINATOR68

220W Peak (110W RMS) 5x7” / 6x8” Terminator Series 2 Way Coaxial 4-ohm Speakers

TERMINATOR68 big
Go to item page Right Arrow Icon of Right Arrow

220W Peak (110W RMS) 5x7” / 6x8” Terminator Series 2 Way Coaxial 4-ohm Speakers

• 110 watts Peak Each, 55 watts RMS Each
• Silk Dome tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 87.9 dB

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

found car based on your search
Fits the following location in your 328i
  • Front Door
1
List price $89.95
-11% $79.95 /pair

In stock

Alpine SXE-1751S

440W Peak (80W RMS) 6.5" SXE-Series 2-way 4-ohm Component Speakers with Mylar-Titanium Tweeters

SXE-1751S big
Go to item page Right Arrow Icon of Right Arrow

440W Peak (80W RMS) 6.5" SXE-Series 2-way 4-ohm Component Speakers with Mylar-Titanium Tweeters

• 220 watts Peak Each, 40 watts RMS Each
• Mylar/Titanium Hybrid Balanced Dome tweeters
• Pulp cone material
• Impedance: 4 ohm
• Sensitivity: 90 dB

shipping truck icon Free shipping in USA. Provide zip for delivery date.
install icon

Save $8 on install kits for this speaker

found car based on your search
Fits the following location in your 328i
4
List price $77.99
-17% $64.99 /set

In stock

Kenwood KFC-C6898RS

720W Peak (162W RMS) 6x8" RS Series 2-Way Coaxial 4-ohm Car Speakers

KFC-C6898RS big
Go to item page Right Arrow Icon of Right Arrow

720W Peak (162W RMS) 6x8" RS Series 2-Way Coaxial 4-ohm Car Speakers

• 360 watts Peak Each, 81 watts RMS Each
• 1-3/16" Balanced Dome Tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 88 dB

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 the following location in your 328i
  • Front Door
List price $130.00
-16% $109.00 /pair

In stock

Only 3 Left!

Orion HCCA-654NHP

1800W Peak (450W RMS) 6.5" HCCA Series Pro Audio Midrange 4-ohm Speaker

HCCA-654NHP big
Go to item page Right Arrow Icon of Right Arrow

1800W Peak (450W RMS) 6.5" HCCA Series Pro Audio Midrange 4-ohm Speaker

• 1800 watts Peak Each, 450 watts RMS Each
• Non-Pressed Paper cone material
• Integrated Aluminum phase plug
• Impedance: 4 ohm
• Sensitivity: 99.8 dB

shipping truck icon Free shipping in USA. Provide zip for delivery date.
VIP Star Icon

VIP Product Get $28.00 in rewards to spend later

install icon

Save $8 on install kits for this speaker

found car based on your search
Fits the following location in your 328i
List price $335.99
-17% $279.95

In stock

Limited time!

AudioControl PNW-525

150W Peak (100W RMS) 5.25″ PNW Series 2-way 3-ohm Coaxial Car Speakers

PNW-525 big
Go to item page Right Arrow Icon of Right Arrow

150W Peak (100W RMS) 5.25″ PNW Series 2-way 3-ohm Coaxial Car Speakers

• 75 watts Peak Each, 50 watts RMS Each
• Hybrid Silk Dome tweeters
• Rigid Poly Mica cone material
• Impedance: 3 ohm
• Sensitivity: 88.41 dB

Free Speaker Accessory at Checkout!
shipping truck icon Free shipping in USA. Provide zip for delivery date.
VIP Star Icon

VIP Product Get $23.90 in rewards to spend later

install icon

Save $3 on install kits for this speaker

found car based on your search
Fits multiple locations in your 328i
1
List price $259.00
-8% $239.00 /pair

Available

Ships in 10-14 days

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 1998 328i

    Q: Can I upgrade or change the Speakers in 1998 BMW 328i?

    A: Yes this page includes all the best Speakers that work in your 328i.

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

    1998 BMW 328i

    2004 Ford Excursion

    2009 Kia Rio

    2005 Ford Excursion

    2001 Toyota Prius

    1992 BMW 735iL

    2003 Land Rover Discovery

    2002 Ford Excursion

    2022 Audi A4 allroad

    1994 Suzuki Swift

    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.