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Rockford Fosgate Prime R14X2 with Sound Damping

120W Peak (60W RMS) 4” Prime Series 2-way 4-ohm Coaxial Car Speaker + NVX SDBSK2 Premium Sound Damping

R14X2_SDBSK2 big
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120W Peak (60W RMS) 4” Prime Series 2-way 4-ohm Coaxial Car Speaker + NVX SDBSK2 Premium Sound Damping

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

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found car based on your search
Fits your B Series
61
List price $83.73
$79.98

In stock

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

NVX VSP4 (2-Pairs, 4-Total)

900W Peak (300W RMS) 4" V-Series 2-Way Coaxial Car Speakers with Silk Dome Tweeters (2-Pairs)

VSP4_2 big
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900W Peak (300W RMS) 4" V-Series 2-Way Coaxial Car Speakers with Silk Dome Tweeters (2-Pairs)

• 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"

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found car based on your search
Fits your B Series
17
List price $143.98
-21% $113.98

In stock

• 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"

Hertz CX 100 with Speaker Installation Kit

4" Cento Series 2-Way Coaxial Car Speakers + NVX Speaker Baffles, Sound Dampening, Roller, and Panel Removal Kit

CX 100, FRING4, SDSK2, SDRLR1, BTK106 big
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4" Cento Series 2-Way Coaxial Car Speakers + NVX Speaker Baffles, Sound Dampening, Roller, and Panel Removal Kit

• 60 Watts Max Each, 20 Watts RMS Each
• Semi-pressed paper + Mica cone material
• Tetolon Tweeter dome
• 4 Ohm Impedance
• Sensitivity: 92 dB
• Mounting Depth: 1-3/4"

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Install kits available for most vehicles

found car based on your search
Fits multiple locations in your B Series
  • Front Door
  • Behind Seat
147
List price $331.71
-14% $286.52 /pair

In stock

• 60 Watts Max Each, 20 Watts RMS Each
• Semi-pressed paper + Mica cone material
• Tetolon Tweeter dome
• 4 Ohm Impedance
• Sensitivity: 92 dB
• Mounting Depth: 1-3/4"

Hertz DCX100.3 (2-Pairs, 4-Total)

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

DCX1003_2 big
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240W Peak (120W RMS) 4" Dieci Series 2-Way Coaxial Car Speakers (2-Pairs)

• 30 Watts Max Each, 15 Watts RMS Each
• Water-repellent pressed paper cone material
• PEI dome tweeter
• 4 Ohm Impedance
• Sensitivity: 92 dB
• Mounting Depth: 1-3/4"

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shipping truck icon Free shipping in USA. Provide zip for delivery date.
found car based on your search
Fits your B Series
2
List price $300.00
-13% $259.98

In stock

Only 2 Left!

• 30 Watts Max Each, 15 Watts RMS Each
• Water-repellent pressed paper cone material
• PEI dome tweeter
• 4 Ohm Impedance
• Sensitivity: 92 dB
• Mounting Depth: 1-3/4"

Pioneer TS-G1020S (2-Pairs, 4-Total)

840W Max (240W RMS) 4" G-Series 2-Way Coaxial Car Speakers (2-Pairs)

TSG1020S_2 big
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840W Max (240W RMS) 4" G-Series 2-Way Coaxial Car Speakers (2-Pairs)

• 210W Max Each, 60W RMS Each
• 1-3/16 Balanced Dome Tweeter
• Injection Molded Polypropylene with Mica Cone
• 4 ohm Impedance
• Sensitivity: 87dB
• Mounting Depth: 1-3/4"

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found car based on your search
Fits your B Series
2
List price $130.00
-25% $97.98

In stock

• 210W Max Each, 60W RMS Each
• 1-3/16 Balanced Dome Tweeter
• Injection Molded Polypropylene with Mica Cone
• 4 ohm Impedance
• Sensitivity: 87dB
• Mounting Depth: 1-3/4"

DS18 ZXI-44 with Speaker Accessories

100W RMS 4" 2-Way Coaxial Speakers with Speaker Baffles, Sound Damping, Roller, and Panel Removal Kit

ZXI-44, FRING4, SDSK2, SDRLR1, BTK106 big
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100W RMS 4" 2-Way Coaxial Speakers with Speaker Baffles, Sound Damping, Roller, and Panel Removal Kit

• 150 watts Peak Each, 50 watts RMS Each
• 1" PEI (Polyetherimide) Dome Tweeters
• Glass Fiber cone material
• Impedance: 4 ohm
• Sensitivity: 88 dB

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Install kits available for most vehicles

found car based on your search
Fits multiple locations in your B Series
  • Front Door
  • Behind Seat
143
List price $152.66
-23% $117.55 /pair

In stock

Only 1 Left!

• 150 watts Peak Each, 50 watts RMS Each
• 1" PEI (Polyetherimide) Dome Tweeters
• Glass Fiber cone material
• Impedance: 4 ohm
• Sensitivity: 88 dB

Hertz DCX100.3 with Speaker Installation Kit

4" Dieci Series 2-Way Coaxial Car Speakers + NVX 4" Speaker Baffles, Sound Dampening, Heavy Duty Roller and Panel Removal Kit

DCX 100.3, FRING4, SDSK2, SDRLR1 big
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4" Dieci Series 2-Way Coaxial Car Speakers + NVX 4" Speaker Baffles, Sound Dampening, Heavy Duty Roller and Panel Removal Kit

• 30 Watts Max Each, 15 Watts RMS Each
• Water-repellent pressed paper cone material
• PEI dome tweeter
• 4 Ohm Impedance
• Sensitivity: 92 dB
• Mounting Depth: 1-3/4"

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 B Series
  • Front Door
  • Behind Seat
145
List price $221.71
-25% $166.52 /pair

In stock

• 30 Watts Max Each, 15 Watts RMS Each
• Water-repellent pressed paper cone material
• PEI dome tweeter
• 4 Ohm Impedance
• Sensitivity: 92 dB
• Mounting Depth: 1-3/4"

AudioControl PNW-4 with Installation Accessories

150W Peak (50W RMS) 4″ PNW Series High-fidelity 2-way 3-ohm Coaxial Speakers + 4" Speaker Baffles + Sound Damping, Roller and Panel Removal Kit

PNW4_ACC_KIT big
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150W Peak (50W RMS) 4″ PNW Series High-fidelity 2-way 3-ohm Coaxial Speakers + 4" Speaker Baffles + Sound Damping, Roller and Panel Removal Kit

• 75 watts Peak Each, 25 watts RMS Each
• 1" Silk Dome Tweeters
• Rigid Poly Mica cone material
• Impedance: 3 ohm

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shipping truck icon Free shipping in USA. Provide zip for delivery date.
found car based on your search
Fits your B Series
223
List price $260.71
-21% $206.06

In stock

• 75 watts Peak Each, 25 watts RMS Each
• 1" Silk Dome Tweeters
• Rigid Poly Mica cone material
• Impedance: 3 ohm

4) New Rockford Fosgate R14X2 4" 120 Watts 2-Way Full Range Car Audio Speakers

120W Peak 4" 2-Way PRIME Series Coaxial Car Audio Speakers Package

R14X2 2 Pack big
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120W Peak 4" 2-Way PRIME Series Coaxial Car Audio Speakers Package

• Peak Power: 120W
• RMS Power: 60W
• 1/2" Silk Balanced Dome Tweeter
• Mounting Depth: 1-3/4"
• Polypropylene Mid-Woofer Cone
• 4 Ohm Impedance
• Sensitivity: 85dB

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shipping truck icon Free shipping in USA. Provide zip for delivery date.
found car based on your search
Fits your B Series
14
$129.98

In stock

• Peak Power: 120W
• RMS Power: 60W
• 1/2" Silk Balanced Dome Tweeter
• Mounting Depth: 1-3/4"
• Polypropylene Mid-Woofer Cone
• 4 Ohm Impedance
• Sensitivity: 85dB

Cerwin Vega XED42 (2-Pairs, 4-Total)

1000W Peak (80W RMS) 4" XED Series 2-Way Coaxial Car Speakers(2-Pairs)

XED42_2 big
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1000W Peak (80W RMS) 4" XED Series 2-Way Coaxial Car Speakers(2-Pairs)

• 250 watts Peak Each, 20 watts RMS Each
• 1" Metallic Dome Tweeters
• Curvilinear polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 93 dB

shipping truck icon Free shipping in USA. Provide zip for delivery date.
found car based on your search
Fits your B Series
4
List price $95.98
-17% $79.98

In stock

Only 2 Left!

• 250 watts Peak Each, 20 watts RMS Each
• 1" Metallic Dome Tweeters
• Curvilinear polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 93 dB

Hertz CX 100 (2-Pairs, 4-Total)

480W Peak (160W RMS) 4" Cento Series 2-Way Coaxial Car Speakers (2-Pairs)

CX100_2 big
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480W Peak (160W RMS) 4" Cento Series 2-Way Coaxial Car Speakers (2-Pairs)

• 120 watts Peak Each, 40 watts RMS Each
• 15/16 Tetolon Dome Tweeters
• Semi-Pressed Paper + Mica cone material
• Impedance: 4 ohm
• Sensitivity: 92 dB

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found car based on your search
Fits your B Series
4
List price $520.00
$499.98

In stock

• 120 watts Peak Each, 40 watts RMS Each
• 15/16 Tetolon Dome Tweeters
• Semi-Pressed Paper + Mica cone material
• Impedance: 4 ohm
• Sensitivity: 92 dB

JL Audio C1-400x (Open Box, Great)

100W Peak (70W RMS) 4" C1 Series 2-Way 4-ohm Coaxial Car Speakers

C1-400x big
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100W Peak (70W RMS) 4" C1 Series 2-Way 4-ohm Coaxial Car Speakers

• 50 watts Peak Each, 35 watts RMS Each
• 0.75" Silk-suspended aluminum Edge-Driven Dome Tweeters
• Mica Injected Polypropylene - MIPP cone material
• Impedance: 4 ohm
• Sensitivity: 87.5 dB

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Install kits available for most vehicles

found car based on your search
Fits multiple locations in your B Series
  • Front Door
  • Behind Seat
8
List price $94.99
-15% $80.74 /pair

In stock

JBL Club 422F with Speaker Installtion Kit

70W RMS 4" 2-Way 3-Ohms Coaxial Speakers with Speaker Baffles, Sound Dampening, Roller, and Panel Removal Kit

Club 422F, FRING4, SDSK2, SDRLR1, BTK106 big
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70W RMS 4" 2-Way 3-Ohms Coaxial Speakers with Speaker Baffles, Sound Dampening, Roller, and Panel Removal Kit

• 105 watts Max Each, 35 watts RMS Each
• 3/4" Silk Dome Tweeters
• Polypropylene cone material
• Impedance: 3 ohm
• Sensitivity: 90 dB @ 2.83V
• Mounting Height: 0.604"

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Install kits available for most vehicles

found car based on your search
Fits multiple locations in your B Series
  • Front Door
  • Behind Seat
115
List price $202.66
-47% $107.75 /pair

In stock

• 105 watts Max Each, 35 watts RMS Each
• 3/4" Silk Dome Tweeters
• Polypropylene cone material
• Impedance: 3 ohm
• Sensitivity: 90 dB @ 2.83V
• Mounting Height: 0.604"

JBL Stage 3 427F with Speaker Installation Kit

300Peak (60W RMS) 4" Stage 3 Series 2-Way Coaxial Car Speakers

STAGE3427FAM, FRING4, SDSK2, SDRLR2, BTK106 big
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300Peak (60W RMS) 4" Stage 3 Series 2-Way Coaxial Car Speakers

• 150 watts Peak Each, 30 watts RMS Each
• 3/4" Edge-driven Dome Tweeters
• Polypropylene cone material
• Impedance: 3 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 B Series
  • Front Door
  • Behind Seat
118
List price $162.66
-34% $107.71 /pair

In stock

Only 1 Left!

• 150 watts Peak Each, 30 watts RMS Each
• 3/4" Edge-driven Dome Tweeters
• Polypropylene cone material
• Impedance: 3 ohm
• Sensitivity: 90 dB

Polk Audio DB402 DB+ with Installation Accessories

90W RMS 4" 2-way Car & Marine Coaxial Speakers with Speaker Baffles, Sound Damping, Roller, and Panel Removal Kit

DB402, FRING4, SDSK2, SDRLR1, BTK106 big
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90W RMS 4" 2-way Car & Marine Coaxial Speakers with Speaker Baffles, Sound Damping, Roller, and Panel Removal Kit

• 135 watts Peak Each, 45 watts RMS Each
• 3/4" Silk Dome Tweeters
• 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 B Series
  • Front Door
  • Behind Seat
147
List price $171.70
-26% $126.36 /pair

In stock

• 135 watts Peak Each, 45 watts RMS Each
• 3/4" Silk Dome Tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 90 dB

Alpine S2-S40 with Installation Accessories

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

S2-S40, FRING4, SDSK2, SDRLR2, BTK106 big
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280W Peak (90W RMS) 4" S-Series 2-way Coaxial Car Speakers

• 140 watts Peak Each, 45 watts RMS Each
• 3/4" Silk Dome Tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 86 dB

Save 15% Off Package Deals at Checkout!
shipping truck icon Free shipping in USA. Provide zip for delivery date.
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Install kits available for most vehicles

found car based on your search
Fits multiple locations in your B Series
  • Front Door
  • Behind Seat
145
List price $201.71
-27% $146.48 /pair

In stock

• 140 watts Peak Each, 45 watts RMS Each
• 3/4" Silk Dome Tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 86 dB

Alpine S2-S40C with Sound Damping

280W Peak (90W RMS) 4" Next-Generation S-Series 2-way Component Speaker System + NVX SDSK2 Sound Damping

S2S40C_SDSK2 big
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280W Peak (90W RMS) 4" Next-Generation S-Series 2-way Component Speaker System + NVX SDSK2 Sound Damping

• 140 watts Peak Each, 45 watts RMS Each
• 1" Silk Dome Tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 88 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 B Series
48
List price $198.74
-25% $149.95

In stock

• 140 watts Peak Each, 45 watts RMS Each
• 1" Silk Dome Tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 88 dB

Pioneer TS-A1081F (2-Pairs, 4-Total)

920W Peak (200W RMS) 4” A Series 2-way Coaxial Speakers (2-Pairs)

TSA1081F_2 big
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920W Peak (200W RMS) 4” A Series 2-way Coaxial Speakers (2-Pairs)

• 230 watts Peak Each, 50 watts RMS Each
• 1" PEI (Polyetherimide) Semi-Dome Tweeters
• Carbon and mica Carbon and Mica Reinforced Injection Molded Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 90 dB

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found car based on your search
Fits your B Series
3
List price $220.00
-18% $180.00

In stock

• 230 watts Peak Each, 50 watts RMS Each
• 1" PEI (Polyetherimide) Semi-Dome Tweeters
• Carbon and mica Carbon and Mica Reinforced Injection Molded Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 90 dB

NVX VSP4 with Speaker Installation Kit

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

VSP4, FRING4, SDRLR1, SDSK2, BTK106 big
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450W Peak (150W RMS) 4" V-Series 2-Way Coaxial Car Speakers with Silk Dome Tweeters

• 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"

shipping truck icon Free shipping in USA. Provide zip for delivery date.
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Install kits available for most vehicles

found car based on your search
Fits multiple locations in your B Series
  • Front Door
  • Behind Seat
160
List price $143.70
-33% $96.33 /pair

In stock

• 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"

Cerwin Vega XED42 with Speaker Installation Kit

40W RMS 4" 2-Way Coaxial Car Speakers + 4” Foam Speaker Rings + Sound Dampening, Roller and Panel Removal Kit

XED42_ACC_KIT big
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40W RMS 4" 2-Way Coaxial Car Speakers + 4” Foam Speaker Rings + Sound Dampening, Roller and Panel Removal Kit

• 250 watts Peak Each, 20 watts RMS Each
• 1" Metallic Dome Tweeters
• Curvilinear polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 93 dB

shipping truck icon Free shipping in USA. Provide zip for delivery date.
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Install kits available for most vehicles

found car based on your search
Fits multiple locations in your B Series
  • Front Door
  • Behind Seat
147
List price $119.70
-36% $76.52 /pair

In stock

• 250 watts Peak Each, 20 watts RMS Each
• 1" Metallic Dome Tweeters
• Curvilinear polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 93 dB

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    FAQ for Speakers in 1979 B Series

    Q: Can I upgrade or change the Speakers in 1979 Mazda B Series?

    A: Yes this page includes all the best Speakers that work in your B Series.

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

    • You see only parts engineered for your exact vehicle
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    Whether you're replacing a factory stereo or upgrading your entire audio system, the Fit Finder eliminates uncertainty.