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Alpine S2-S50

340W Peak (110W RMS) 5.25" S-Series Hi-Res 2-Way Coaxial 4-ohm Car Speakers

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340W Peak (110W RMS) 5.25" S-Series Hi-Res 2-Way Coaxial 4-ohm Car Speakers

• 170 watts Peak Each, 55 watts RMS Each
• Hi-Res Audio Certified
• 3/4" Cloth Soft Dome tweeters
• Polypropylene, Glass Fiber and Mica cone material
• Impedance: 4 ohm
• Sensitivity: 87 dB

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Install kits available for most vehicles

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2
List price $160.00
-19% $129.95 /pair

• 170 watts Peak Each, 55 watts RMS Each
• Hi-Res Audio Certified
• 3/4" Cloth Soft Dome tweeters
• Polypropylene, Glass Fiber and Mica cone material
• Impedance: 4 ohm
• Sensitivity: 87 dB

Infinity Reference REF-4032cfx with Sound Damping

210W Peak (70W RMS) Reference Series 4" 2-Way Car Speakers + NVX SDSK2 Sound Damping

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210W Peak (70W RMS) Reference Series 4" 2-Way Car Speakers + NVX SDSK2 Sound Damping

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

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49
List price $158.69
-40% $94.98

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

Deaf Bonce Avatar MTU 50LE

280W Peak (140W RMS) 5.2" Tsunami Series Midrange 4-ohm Car Speakers

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280W Peak (140W RMS) 5.2" Tsunami Series Midrange 4-ohm Car Speakers

• 140 watts Peak Each, 70 watts RMS Each
• Pressed Paper cone material
• Impedance: 4 ohm
• Sensitivity: 87 dB

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$29.90 /pair

• 140 watts Peak Each, 70 watts RMS Each
• Pressed Paper cone material
• Impedance: 4 ohm
• Sensitivity: 87 dB

JBL Stadium 52F (2-Pairs, 4-Total)

720W Peak (240W RMS) 5.25" Stadium Series 2-way 3-Ohm Coaxial Car Speaker (2-Pairs)

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720W Peak (240W RMS) 5.25" Stadium Series 2-way 3-Ohm Coaxial Car Speaker (2-Pairs)

• 180 watts Max Each, 60 watts RMS Each
• 3/4" Textile Dome Tweeters
• Glass Fiber cone material
• Impedance: 3 ohm
• Sensitivity: 93 dB
• Mounting Depth: 2 1/4"

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List price $439.90
-14% $379.90

• 180 watts Max Each, 60 watts RMS Each
• 3/4" Textile Dome Tweeters
• Glass Fiber cone material
• Impedance: 3 ohm
• Sensitivity: 93 dB
• Mounting Depth: 2 1/4"

Hifonics ZS4CX with Installation Accessories

350W Peak (60W RMS) Zeus Series 4" 2-Way Coaxial Car Speakers + 4" Speaker Baffles + Sound Damping, Roller and Panel Removal Kit

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350W Peak (60W RMS) Zeus Series 4" 2-Way Coaxial Car Speakers + 4" Speaker Baffles + Sound Damping, Roller and Panel Removal Kit

• 175 Watts Max Each, 30 Watts RMS Each
• 1" Neo-Mylar Soft Dome Tweeter
• Alpha-Cellulose mid-woofer cone material
• 4 Ohm Impedance
• Sensitivity: 88dB
• CEA-426B compliant speakers

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228
List price $94.70
-37% $60.05

• 175 Watts Max Each, 30 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 PRIME R152-S with Sound Damping

160W Peak (80W RMS) 5.25" Prime Series 2-way 4-ohm Component Speaker System + NVX SDBSK2 Premium Sound Damping

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160W Peak (80W RMS) 5.25" Prime Series 2-way 4-ohm Component Speaker System + NVX SDBSK2 Premium Sound Damping

• 80 watts Peak Each, 40 watts RMS Each
• 1" Mylar Balanced Dome tweeters
• Mica Injected Polypropylene - MIPP cone material
• Impedance: 4 ohm
• Sensitivity: 85 dB

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74
List price $98.73
$94.98

• 80 watts Peak Each, 40 watts RMS Each
• 1" Mylar Balanced Dome tweeters
• Mica Injected Polypropylene - MIPP cone material
• Impedance: 4 ohm
• Sensitivity: 85 dB

Diamond Audio DES525 (2-Pairs, 4-Total)

400W Peak (200W RMS) 5.25" Elite Series 2-Way Coaxial Car Speakers (2-Pairs)

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400W Peak (200W RMS) 5.25" Elite Series 2-Way Coaxial Car Speakers (2-Pairs)

• 100 watts Peak Each, 50 watts RMS Each
• 1" Aluminum Dome Tweeters
• Composite Fiber Weave cone material
• Impedance: 4 ohm
• Sensitivity: 85 dB

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• 100 watts Peak Each, 50 watts RMS Each
• 1" Aluminum Dome Tweeters
• Composite Fiber Weave cone material
• Impedance: 4 ohm
• Sensitivity: 85 dB

Rockford Fosgate Punch P152-S with Sound Damping

200W Peak (100W RMS) 5.52" Punch Series 2-way 4-ohm Component Speaker System + NVX SDBSK2 Premium Sound Damping

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200W Peak (100W RMS) 5.52" Punch Series 2-way 4-ohm Component Speaker System + NVX SDBSK2 Premium Sound Damping

• 100 watts Peak Each, 50 watts RMS Each
• 3/4" PEI (Polyetherimide) Dome tweeters
• Mica Injected Polypropylene - MIPP cone material
• Impedance: 4 ohm
• Sensitivity: 87 dB

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61
List price $178.73
$174.98

• 100 watts Peak Each, 50 watts RMS Each
• 3/4" PEI (Polyetherimide) Dome tweeters
• Mica Injected Polypropylene - MIPP cone material
• Impedance: 4 ohm
• Sensitivity: 87 dB

JBL STADIUM52F Speakers with Speaker Installation Kit

5 1/4" Step-up Multielement Speaker System with Speaker Baffles, Sound Dampening and Heavy Duty Roller

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5 1/4" Step-up Multielement Speaker System with Speaker Baffles, Sound Dampening and Heavy Duty Roller

•180 Watts Max Each, 60 Watts RMS Each
• 3/4" Aluminum Dome Tweeter
• Glass Fiber cone material
• Impedance: 3 Ohm
• Speaker Baffles + Installation Accessories Included

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Install kits available for most vehicles

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76
List price $273.67
-19% $220.72 /pair

•180 Watts Max Each, 60 Watts RMS Each
• 3/4" Aluminum Dome Tweeter
• Glass Fiber cone material
• Impedance: 3 Ohm
• Speaker Baffles + Installation Accessories Included

Alpine S2-S50 (2-Pairs, 4-Total)

680W Peak (220W RMS) 5.25" S-Series 2-way Coaxial Car Speakers (2-Pairs)

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680W Peak (220W RMS) 5.25" S-Series 2-way Coaxial Car Speakers (2-Pairs)

• 170 watts Peak Each, 55 watts RMS Each
• 3/4" Silk Dome Tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 87 dB

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2
List price $320.00
-19% $259.90

• 170 watts Peak Each, 55 watts RMS Each
• 3/4" Silk Dome Tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 87 dB

Rockford Fosgate Punch P152-S (2-Pairs, 4-Total)

400W Peak (200W RMS) 5.52" Punch Series 2-way 4-ohm Component Speaker System

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400W Peak (200W RMS) 5.52" Punch Series 2-way 4-ohm Component Speaker System

• 100 watts Peak Each, 50 watts RMS Each
• 3/4" PEI (Polyetherimide) Dome Tweeters
• Mica Injected Polypropylene - MIPP cone material
• Impedance: 4 ohm
• Sensitivity: 87 dB

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additional information required
Fits select locations in your GLC.
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• 100 watts Peak Each, 50 watts RMS Each
• 3/4" PEI (Polyetherimide) Dome Tweeters
• Mica Injected Polypropylene - MIPP cone material
• Impedance: 4 ohm
• Sensitivity: 87 dB

Alpine S2-S50 with Installation Accessories

340W Peak (110W RMS) 5.25" S-Series 2-way Coaxial Car Speakers

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340W Peak (110W RMS) 5.25" S-Series 2-way Coaxial Car Speakers

• 170 watts Peak Each, 55 watts RMS Each
• 3/4" Silk Dome Tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 87 dB

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

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Fits select locations in your GLC.
Add vehicle details to confirm exact location.
151
List price $232.71
-27% $169.98 /pair

• 170 watts Peak Each, 55 watts RMS Each
• 3/4" Silk Dome Tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 87 dB

JBL Stadium 52F (JBLSPKSD52FAM) with Sound Damping

360W Peak (120W RMS) 5.25" Stadium Series 2-way 3-ohm Coaxial Car Speakers + NVX SDBSK2 Premium Sound Damping

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360W Peak (120W RMS) 5.25" Stadium Series 2-way 3-ohm Coaxial Car Speakers + NVX SDBSK2 Premium Sound Damping

• 180 watts Peak Each, 60 watts RMS Each
• 3/4" Textile Edge-driven Dome tweeters, with an allowed 270° rotation
• Glass Fiber cone material with Plus One woofer cone architecture
• Impedance: 3 ohm
• Sensitivity: 93 dB

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48
List price $238.69
-14% $204.94

• 180 watts Peak Each, 60 watts RMS Each
• 3/4" Textile Edge-driven Dome tweeters, with an allowed 270° rotation
• Glass Fiber cone material with Plus One woofer cone architecture
• Impedance: 3 ohm
• Sensitivity: 93 dB

JVC CS-DR421 (2-Pairs, 4-Total)

880W Peak (140W RMS) 4" DRVN Series 2-Way Coaxial Car Speakers (2-Pairs)

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880W Peak (140W RMS) 4" DRVN Series 2-Way Coaxial Car Speakers (2-Pairs)

• 220 watts Peak Each, 35 watts RMS Each
• 1" Polymide Balanced Dome Tweeters
• Carbon Mica cone material
• Impedance: 4 ohm
• Sensitivity: 88 dB

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List price $238.00
-17% $198.00

• 220 watts Peak Each, 35 watts RMS Each
• 1" Polymide Balanced Dome Tweeters
• Carbon Mica cone material
• Impedance: 4 ohm
• Sensitivity: 88 dB

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

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

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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!
additional information required
Fits select locations in your GLC.
Add vehicle details to confirm exact location.
1
List price $279.90
-43% $159.98

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

Infinity Reference REF-4032CFX with Installation Accessories

70W RMS Reference Series 4" 2-Way Speakers with Speaker Baffles, Sound Damping, Roller, and Panel Removal Kit

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70W RMS Reference Series 4" 2-Way Speakers with Speaker Baffles, Sound Damping, Roller, and Panel Removal Kit

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

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

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Fits select locations in your GLC.
Add vehicle details to confirm exact location.
117
List price $212.66
-45% $117.75 /pair

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

Kenwood KFC-C1056S (2-Pairs, 4-Total)

880W Max (82W RMS) 4" 2-Way Coaxial Car Speakers (2-Pairs)

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880W Max (82W RMS) 4" 2-Way Coaxial Car Speakers (2-Pairs)

• 220 Watts Max Each, 21 Watts RMS Each
• Dual Cone Design
• Polypropylene Cone
• 4 ohm Impedance
• Sensitivity: 88 dB
• Mounting Depth: 1-11/16"

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Fits select locations in your GLC.
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1
List price $140.00
-44% $78.00

• 220 Watts Max Each, 21 Watts RMS Each
• Dual Cone Design
• Polypropylene Cone
• 4 ohm Impedance
• Sensitivity: 88 dB
• Mounting Depth: 1-11/16"

Rockford Fosgate Punch P152-S (Open Box, Great)

200W Peak (100W RMS) 5.52" Punch Series 2-way 4-ohm Component Speaker System

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200W Peak (100W RMS) 5.52" Punch Series 2-way 4-ohm Component Speaker System

• 100 watts Peak Each, 50 watts RMS Each
• 3/4" PEI (Polyetherimide) Dome tweeters
• Mica Injected Polypropylene - MIPP cone material
• Impedance: 4 ohm
• Sensitivity: 87 dB

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Install kits available for most vehicles

additional information required
Fits select locations in your GLC.
Add vehicle details to confirm exact location.
13
List price $159.99
-15% $135.99 /set

• 100 watts Peak Each, 50 watts RMS Each
• 3/4" PEI (Polyetherimide) Dome tweeters
• Mica Injected Polypropylene - MIPP cone material
• Impedance: 4 ohm
• Sensitivity: 87 dB

Rockford Fosgate PRIME R152-S (Open Box, Great)

160W Peak (80W RMS) 5.25" Prime Series 2-way 4-ohm Component Speaker System

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160W Peak (80W RMS) 5.25" Prime Series 2-way 4-ohm Component Speaker System

• 80 watts Peak Each, 40 watts RMS Each
• 1" Mylar Balanced Dome tweeters
• Mica Injected Polypropylene - MIPP cone material
• Impedance: 4 ohm
• Sensitivity: 85 dB

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Install kits available for most vehicles

additional information required
Fits select locations in your GLC.
Add vehicle details to confirm exact location.
26
List price $79.99
-15% $67.99 /set

• 80 watts Peak Each, 40 watts RMS Each
• 1" Mylar Balanced Dome tweeters
• Mica Injected Polypropylene - MIPP cone material
• Impedance: 4 ohm
• Sensitivity: 85 dB

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    FAQ for Speakers in 1977 GLC

    Q: Can I upgrade or change the Speakers in 1977 Mazda GLC?

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

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

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