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Kenwood KFC-4675C with Installation Accessories

120W Peak (40W RMS) 4x6” 2-Way Car Speakers with Speaker Baffles, Sound Damping, Roller, and Panel Removal Kit

KFC-4675C, FRING46, SDSK2, SDRLR1, BTK106 big
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120W Peak (40W RMS) 4x6” 2-Way Car Speakers with Speaker Baffles, Sound Damping, Roller, and Panel Removal Kit

• 60 watts Peak Each, 20 watts RMS Each
• 1" Polypropylene Balanced Dome Tweeters
• Injection Molded Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 90 dB

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Install kits available for most vehicles

found car based on your search
Fits multiple locations in your 528i
  • Kick Panel
  • Rear Deck Corner
155
List price $200.71
-44% $112.64 /pair

In stock

• 60 watts Peak Each, 20 watts RMS Each
• 1" Polypropylene Balanced Dome Tweeters
• Injection Molded Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 90 dB

Kenwood KFC-4675C with Sound Damping

60W Peak (20W RMS) 4x6” 2-way 4-ohm Coaxial Car Speakers + NVX SDBSK2 Premium Sound Damping

KFC4675C_SDBSK2 big
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60W Peak (20W RMS) 4x6” 2-way 4-ohm Coaxial Car Speakers + NVX SDBSK2 Premium Sound Damping

• 60 watts Peak Each, 20 watts RMS Each
• 1" PEI (Polyetherimide) Balanced Dome tweeters
• Injection Molded Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 90 dB

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found car based on your search
Fits your 528i
62
List price $146.74
-40% $87.49

In stock

• 60 watts Peak Each, 20 watts RMS Each
• 1" PEI (Polyetherimide) Balanced Dome tweeters
• Injection Molded Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 90 dB

MTX TERMINATOR46 with Sound Damping

160W Peak (80W RMS) 4x6” Terminator Series 2-way 4-ohm Coaxial Car Speakers + NVX SDBSK2 Premium Sound Damping

TERMINATOR46_SDBSK2 big
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160W Peak (80W RMS) 4x6” Terminator Series 2-way 4-ohm Coaxial Car Speakers + NVX SDBSK2 Premium Sound Damping

• 80 watts Peak Each, 40 watts RMS Each
• 1" Mylar Dome tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 86.1 dB

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found car based on your search
Fits your 528i
49
List price $83.69
-16% $69.94

In stock

• 80 watts Peak Each, 40 watts RMS Each
• 1" Mylar Dome tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 86.1 dB

Polk Audio DB462 Two Pack (DB 462)

2 Pair of 4x6" 2-Way DB+ (Plus) Series Coaxial Car Audio Speakers with Marine/ATV/UTV Certification

DB462 2 Pack big
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2 Pair of 4x6" 2-Way DB+ (Plus) Series Coaxial Car Audio Speakers with Marine/ATV/UTV Certification

• Two Pair (4 Speakers)
• 50 Watts Max Each, 150 Watts RMS Each
• 0.75" shallow tweeter design
• Polypropylene UV tolerant cone
• 4 Ohm Impedance
• Sensitivity: 90dB
• Mounting Depth: 1.81"
• IP65 rated

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found car based on your search
Fits your 528i
7
List price $199.98
-46% $108.00

In stock

Only 1 Left!

• Two Pair (4 Speakers)
• 50 Watts Max Each, 150 Watts RMS Each
• 0.75" shallow tweeter design
• Polypropylene UV tolerant cone
• 4 Ohm Impedance
• Sensitivity: 90dB
• Mounting Depth: 1.81"
• IP65 rated

(4) Hifonics ZS46CX 4x6" 800 Watt Coaxial Car Audio Speakers

2 Pairs (4 Total) 400W Max (80W RMS) 4x6" Zeus Series 2-Way Coaxial Car Speakers Package

ZS46CX 2 Pack big
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2 Pairs (4 Total) 400W Max (80W RMS) 4x6" Zeus Series 2-Way Coaxial Car Speakers Package

• 200 Watts Max Each, 40 Watts RMS Each
• 1" Neo-Mylar Soft Dome Tweeter
• Alpha-Cellulose mid-woofer cone material
• 4 Ohm Impedance
• Sensitivity: 88dB
• CEA-426B compliant speakers

shipping truck icon Free shipping in USA. Provide zip for delivery date.
found car based on your search
Fits your 528i
23
List price $49.98
-24% $37.92

In stock

• 200 Watts Max Each, 40 Watts RMS Each
• 1" Neo-Mylar Soft Dome Tweeter
• Alpha-Cellulose mid-woofer cone material
• 4 Ohm Impedance
• Sensitivity: 88dB
• CEA-426B compliant speakers

Rockford Fosgate P1462 4 x 6 Inch 140W 2-Way Full Range Car Speakers (12 Pack)

Rockford Fosgate P1462 4 x 6 Inch 140W 2-Way Full Range Car Speakers (12 Pack)

P1462 6 Pack big
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Rockford Fosgate P1462 4 x 6 Inch 140W 2-Way Full Range Car Speakers (12 Pack)

• Peak Power: 70W
• RMS Power: 35W
• Mineral-Filled and Polypropylene Injection Molded Cone
• Butyl Rubber Surround
• PEI Dome Tweeter
• ICC Crossover
• VAST Surround

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shipping truck icon Free shipping in USA. Provide zip for delivery date.
found car based on your search
Fits your 528i
37
$659.94

In stock

• Peak Power: 70W
• RMS Power: 35W
• Mineral-Filled and Polypropylene Injection Molded Cone
• Butyl Rubber Surround
• PEI Dome Tweeter
• ICC Crossover
• VAST Surround

Hifonics ZS46CX with Sound Damping

400W Peak (80W RMS) Zeus Series 4x6" Zeus Series 2-Way Coaxial Car Speakers + NVX SDSK2 Sound Damping

ZS46CX_SDSK2 big
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400W Peak (80W RMS) Zeus Series 4x6" Zeus Series 2-Way Coaxial Car Speakers + NVX SDSK2 Sound Damping

• 200 Watts Max Each, 40 Watts RMS Each
• 1" Neo-Mylar Soft Dome Tweeter
• Alpha-Cellulose mid-woofer cone material
• 4 Ohm Impedance
• Sensitivity: 88dB
• CEA-426B compliant speakers

shipping truck icon Free shipping in USA. Provide zip for delivery date.
found car based on your search
Fits your 528i
69
List price $43.73
-18% $35.99

In stock

• 200 Watts Max Each, 40 Watts RMS Each
• 1" Neo-Mylar Soft Dome Tweeter
• Alpha-Cellulose mid-woofer cone material
• 4 Ohm Impedance
• Sensitivity: 88dB
• CEA-426B compliant speakers

Hifonics ZS46CX with Installation Accessories

400W Peak (80W RMS) Zeus Series 4x6" Zeus Series 2-Way Coaxial Car Speakers + 4"x6" Speaker Baffles + Sound Damping, Roller and Panel Removal Kit

ZS46CX_ACC_KIT big
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400W Peak (80W RMS) Zeus Series 4x6" Zeus Series 2-Way Coaxial Car Speakers + 4"x6" Speaker Baffles + Sound Damping, Roller and Panel Removal Kit

• 200 Watts Max Each, 40 Watts RMS Each
• 1" Neo-Mylar Soft Dome Tweeter
• Alpha-Cellulose mid-woofer cone material
• 4 Ohm Impedance
• Sensitivity: 88dB
• CEA-426B compliant speakers

shipping truck icon Free shipping in USA. Provide zip for delivery date.
found car based on your search
Fits your 528i
239
List price $97.70
-41% $57.36

In stock

• 200 Watts Max Each, 40 Watts RMS Each
• 1" Neo-Mylar Soft Dome Tweeter
• Alpha-Cellulose mid-woofer cone material
• 4 Ohm Impedance
• Sensitivity: 88dB
• CEA-426B compliant speakers

Infinity REF467F (2-Pairs, 4-Total)

540W Peak (180W RMS) 4x6" Reference Series 2-way 3-ohm Speakers (2-Pairs)

REF467F_2 big
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540W Peak (180W RMS) 4x6" Reference Series 2-way 3-ohm Speakers (2-Pairs)

• 135 watts Peak Each, 45 watts RMS Each
• 1/2" Textile Balanced Dome Tweeters
• Polypropylene cone material
• Impedance: 3 ohm
• Sensitivity: 92 dB

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shipping truck icon Free shipping in USA. Provide zip for delivery date.
found car based on your search
Fits your 528i
List price $279.90
-21% $219.90

In stock

• 135 watts Peak Each, 45 watts RMS Each
• 1/2" Textile Balanced Dome Tweeters
• Polypropylene cone material
• Impedance: 3 ohm
• Sensitivity: 92 dB

Pioneer TS-G4620S with Sound Damping

400W Max (60W RMS) 4x6" G-Series 2-way 4-ohm Coaxial Car Speakers + NVX SDBSK2 Premium Sound Damping

TSG4620S_SDBSK2 big
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400W Max (60W RMS) 4x6" G-Series 2-way 4-ohm Coaxial Car Speakers + NVX SDBSK2 Premium Sound Damping

• 200 watts Peak Each, 30 watts RMS Each
• 1-3/16" Polyethylene Terephthalate (PET) Balanced Dome tweeters
• Injection-molded Polypropylene with MICA cone material
• Impedance: 4 ohm
• Sensitivity: 89 dB

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found car based on your search
Fits your 528i
52
List price $83.74
-36% $53.18

In stock

• 200 watts Peak Each, 30 watts RMS Each
• 1-3/16" Polyethylene Terephthalate (PET) Balanced Dome tweeters
• Injection-molded Polypropylene with MICA cone material
• Impedance: 4 ohm
• Sensitivity: 89 dB

Hertz DCX460.3 (2-Pairs, 4-Total)

160W Peak (80W RMS) 4x6” Dieci Series 2-way Coaxial Car Speaker (2-Pairs)

DCX4603_2 big
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160W Peak (80W RMS) 4x6” Dieci Series 2-way Coaxial Car Speaker (2-Pairs)

• 80 Watts Max Each, 40 Watts RMS Each
• Water-repellent pressed paper Cone
• Woofer magnet: High density flux ferrite
• 4 Ohm Impedance
• Sensitivity: 93 dB
• Mounting Depth: 1-13/16"

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shipping truck icon Free shipping in USA. Provide zip for delivery date.
found car based on your search
Fits your 528i
List price $300.00
-13% $259.98

In stock

Only 3 Left!

• 80 Watts Max Each, 40 Watts RMS Each
• Water-repellent pressed paper Cone
• Woofer magnet: High density flux ferrite
• 4 Ohm Impedance
• Sensitivity: 93 dB
• Mounting Depth: 1-13/16"

Hifonics ZS46CX (2-Pairs, 4-Total)

800W Peak (160W RMS) Zeus Series 4x6" Zeus Series 2-Way Coaxial Car Speakers (2-Pairs)

ZS46CX_2 big
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800W Peak (160W RMS) Zeus Series 4x6" Zeus Series 2-Way Coaxial Car Speakers (2-Pairs)

• 200 Watts Max Each, 40 Watts RMS Each
• 1" Neo-Mylar Soft Dome Tweeter
• Alpha-Cellulose mid-woofer cone material
• 4 Ohm Impedance
• Sensitivity: 88dB
• CEA-426B compliant speakers

shipping truck icon Free shipping in USA. Provide zip for delivery date.
found car based on your search
Fits your 528i
23
List price $49.98
-16% $42.00

In stock

• 200 Watts Max Each, 40 Watts RMS Each
• 1" Neo-Mylar Soft Dome Tweeter
• Alpha-Cellulose mid-woofer cone material
• 4 Ohm Impedance
• Sensitivity: 88dB
• CEA-426B compliant speakers

JBL CLUB 644F (2-Pairs, 4-Total)

480W Peak (160W RMS) 4x6" Club Series 3-ohms 2-way Coaxial Car Speakers (2-Pairs)

CLUB644F_2 big
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480W Peak (160W RMS) 4x6" Club Series 3-ohms 2-way Coaxial Car Speakers (2-Pairs)

• 120 watts Peak Each, 40 watts RMS Each
• Silk Dome Tweeters
• Injection Molded Polypropylene with UV Protection 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.
found car based on your search
Fits your 528i
List price $259.90
-23% $199.90

In stock

• 120 watts Peak Each, 40 watts RMS Each
• Silk Dome Tweeters
• Injection Molded Polypropylene with UV Protection cone material
• Impedance: 3 ohm
• Sensitivity: 92 dB

NVX NSP46 (2-Pairs, 4-Total)

600W Peak (200W RMS) 4x6" 2-Way N-Series Coaxial Car Speakers with 20mm Silk Dome Tweeters (2-Pairs)

NSP46_2 big
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600W Peak (200W RMS) 4x6" 2-Way N-Series Coaxial Car Speakers with 20mm Silk Dome Tweeters (2-Pairs)

• 150 watts Peak Each, 50 watts RMS Each
• 3/4" Silk Dome Tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 86 dB
• Mounting Depth: 1.81"

shipping truck icon Free shipping in USA. Provide zip for delivery date.
found car based on your search
Fits your 528i
34
List price $119.98
-21% $94.98

In stock

• 150 watts Peak Each, 50 watts RMS Each
• 3/4" Silk Dome Tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 86 dB
• Mounting Depth: 1.81"

Lowest price in 30 days

Infinity Kappa 463XF with Installation Accessories

120W RMS 4"x6" 2-way Coaxial Speakers with Speaker Baffles, Sound Damping, Roller, and Panel Removal Kit

Kappa 463XF, FRING46, SDSK2, SDRLR1, BTK106 big
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120W RMS 4"x6" 2-way Coaxial Speakers with Speaker Baffles, Sound Damping, Roller, and Panel Removal Kit

• 180 watts Peak Each, 60 watts RMS Each
• 1" Silk Edge-driven Dome Tweeters
• Glass Fiber cone material
• Impedance: 3 ohm
• Sensitivity: 93 dB

Save 15% Off Package Deals at Checkout!
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Install kits available for most vehicles

found car based on your search
Fits multiple locations in your 528i
  • Kick Panel
  • Rear Deck Corner
113
List price $343.66
-30% $241.51 /pair

Available

Ships in 10-14 days

• 180 watts Peak Each, 60 watts RMS Each
• 1" Silk Edge-driven Dome Tweeters
• Glass Fiber cone material
• Impedance: 3 ohm
• Sensitivity: 93 dB

Crunch CS46CX (2-Pairs, 4-Total)

1000W Max (500W RMS) 4x6" CS Series 2-Way Coaxial Car Speakers (2-Pairs)

CS46CX_2 big
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1000W Max (500W RMS) 4x6" CS Series 2-Way Coaxial Car Speakers (2-Pairs)

• 250W Max each / 125W RMS each
• Neo Mylar Soft Dome Tweeter
• Impedance: 4 ohm
• Cellulose Cone and Rubber Surround

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found car based on your search
Fits your 528i
11
List price $51.98
-8% $47.98

Available

Ships in 10-14 days

• 250W Max each / 125W RMS each
• Neo Mylar Soft Dome Tweeter
• Impedance: 4 ohm
• Cellulose Cone and Rubber Surround

Rockford Fosgate Punch P1462 (Open Box, Great)

140W Peak (70W RMS) 4x6” Punch Series 2-way 4-ohm Coaxial Car Speakers

P1462 big
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140W Peak (70W RMS) 4x6” Punch Series 2-way 4-ohm Coaxial Car Speakers

• 70 watts Peak Each, 35 watts RMS Each
• 3/4" PEI (Polyetherimide) Dome tweeters
• Injection-molded Mineral-filled Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 90 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 multiple locations in your 528i
  • Kick Panel
  • Rear Deck Corner
37
List price $109.99
-15% $93.49 /pair

In stock

Kenwood eXcelon KFC-X463C with Installation Accessories

200W Peak (60W RMS) 4" x 6" 2-Way Coaxial Car Speakers with Speaker Baffles, Sound Damping, Roller, and Panel Removal Kit

KFC-X463C, FRING46, SDSK2, SDRLR1, BTK106 big
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200W Peak (60W RMS) 4" x 6" 2-Way Coaxial Car Speakers with Speaker Baffles, Sound Damping, Roller, and Panel Removal Kit

• 4" x 6" 2-way Car Speakers
• 100W Max
• 30W RMS
• Carbon-Polypropylene Cone Woofer
• Butyl Rubber Surround
• 1" PEI Dome Tweeter
• 3 ohm Impedance
• Top-Mount Depth: 1-7/8"

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 multiple locations in your 528i
  • Kick Panel
  • Rear Deck Corner
143
List price $192.71
-19% $155.82 /pair

Available

Ships in 10-14 days

• 4" x 6" 2-way Car Speakers
• 100W Max
• 30W RMS
• Carbon-Polypropylene Cone Woofer
• Butyl Rubber Surround
• 1" PEI Dome Tweeter
• 3 ohm Impedance
• Top-Mount Depth: 1-7/8"

MTX Audio THUNDER46 with Speaker Installation Kit

160W Peak (80W RMS) 4" x 6" Thunder Series 2-Way Coaxial Speakers with Speaker Baffles, Sound Dampening, Roller, and Panel Removal Kit

THUNDER46, FRING46, SDSK2, SDRLR1, BTK106 big
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160W Peak (80W RMS) 4" x 6" Thunder Series 2-Way Coaxial Speakers with Speaker Baffles, Sound Dampening, Roller, and Panel Removal Kit

• Peak Power: 80W • RMS Power: 40W
• Concave Cone Design
• Mounting Depth: 2"
• Polypropylene Cone and Rubber Surround

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 multiple locations in your 528i
  • Kick Panel
  • Rear Deck Corner
139
List price $172.66
-21% $135.78 /pair

Available

Ships in 10-14 days

• Peak Power: 80W • RMS Power: 40W
• Concave Cone Design
• Mounting Depth: 2"
• Polypropylene Cone and Rubber Surround

Rockford Fosgate Punch P142 (Open Box, Great)

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

P142 big
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120W Peak (60W RMS) 4" Punch Series 2-way 4-ohm Coaxial Car 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

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 multiple locations in your 528i
  • Kick Panel
  • Rear Deck Corner
11
List price $109.99
-15% $93.49 /pair

In stock

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    FAQ for Speakers in 1981 528i

    Q: Can I upgrade or change the Speakers in 1981 BMW 528i?

    A: Yes this page includes all the best Speakers that work in your 528i.

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    Modern vehicles often require specific brackets, wiring harnesses, and mounting solutions. A fit guide ensures:

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