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Kenwood KFC-1066S with Sound Damping

440W Peak (42W RMS) 4" Sport Series 2-way 4-ohm Coaxial Car Speakers + NVX SDBSK2 Premium Sound Damping

KFC1066S_SDBSK2 big
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440W Peak (42W RMS) 4" Sport Series 2-way 4-ohm Coaxial Car Speakers + NVX SDBSK2 Premium Sound Damping

• 220 watts Peak Each, 21 watts RMS Each
• 1" PEI (Polyetherimide) Balanced Dome tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 88 dB

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50
List price $98.74
-40% $59.49

In stock

• 220 watts Peak Each, 21 watts RMS Each
• 1" PEI (Polyetherimide) Balanced Dome tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 88 dB

MB Quart FKB 110 (FKB110) with Sound Damping

140W Peak (70W RMS) 4" Quart Formula Series 2-way 4-ohm Coaxial Car Speakers. + NVX SDBSK2 Premium Sound Damping

FKB110_SDBSK2 big
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140W Peak (70W RMS) 4" Quart Formula Series 2-way 4-ohm Coaxial Car Speakers. + NVX SDBSK2 Premium Sound Damping

• 70 watts Peak Each, 35 watts RMS Each
• 1" Aluminum Dome Tweeters
• Lightweight thermal-formed polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 88 dB

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46
List price $65.73
-32% $44.98

In stock

• 70 watts Peak Each, 35 watts RMS Each
• 1" Aluminum Dome Tweeters
• Lightweight thermal-formed polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 88 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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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

NVX NSP4 (2-Pairs, 4-Total)

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

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600W Peak (200W RMS) 4" N-Series 2-Way 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: 1.88"

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25
List price $119.98
-29% $85.48

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: 1.88"

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

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

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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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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

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

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8
List price $94.99
-15% $80.74 /pair

In stock

JBL GX428 (2-Pairs, 4-Total)

420W Peak (140W RMS) 4" GX Series 2-way Coaxial Speakers (2-Pairs)

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420W Peak (140W RMS) 4" GX Series 2-way Coaxial Speakers (2-Pairs)

• 105 watts Peak Each, 35 watts RMS Each
• Soft Dome Tweeters
• Polypropylene cone material
• Impedance: 2.3 ohm
• Sensitivity: 90 dB

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$129.90

Available

Ships in 10-14 days

• 105 watts Peak Each, 35 watts RMS Each
• Soft Dome Tweeters
• Polypropylene cone material
• Impedance: 2.3 ohm
• Sensitivity: 90 dB

Diamond Audio DMD42 with Sound Damping

120W Peak (60W RMS) 4" DMD Series 2-way Coaxial Car Speakers + NVX SDSK2 Sound Damping

DMD42_SDSK2 big
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120W Peak (60W RMS) 4" DMD Series 2-way Coaxial Car Speakers + NVX SDSK2 Sound Damping

• 60 watts Peak Each, 30 watts RMS Each
• 3/4" PEI (Polyetherimide) Dome Tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 84 dB

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46
List price $138.73
-10% $124.98

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

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

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

DMD42_2 big
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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!
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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

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

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Install kits available for most vehicles

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11
List price $109.99
-15% $93.49 /pair

In stock

Diamond Audio DMD42 with Speaker Installation Kit

Includes: (2) 4” 2-Way speaker, 2 Piece Foam Speaker Ring Kit, Sound Damping Kit, Installer Panel Removal Tool Kit, Rubber Roller

DMD42, FRING4, SDRLR1, SDSK2, BTK106 big
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Includes: (2) 4” 2-Way speaker, 2 Piece Foam Speaker Ring Kit, Sound Damping Kit, Installer Panel Removal Tool Kit, Rubber Roller

• 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!
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Install kits available for most vehicles

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142
List price $191.70
-24% $146.52 /pair

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

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

REF4032CFXAM, FRING4, SDSK2, SDRLR1, BTK106 big
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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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Add vehicle details to confirm exact location.
114
List price $212.66
-45% $117.75 /pair

In stock.

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

Infinity Reference REF-4032cfx with Sound Damping

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

REF4032CFXAM_SDSK2 big
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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

Save 15% Off Package Deals at Checkout!
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47
List price $158.69
-40% $94.98

In stock.

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

JBL GX428 (JBLGX428AM) with Sound Damping

210W Peak (70W RMS) 4" GX Series 2-way 2.3-ohm Coaxial Car Speakers + NVX SDBSK2 Premium Sound Damping

GX428AM_SDBSK2 big
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210W Peak (70W RMS) 4" GX Series 2-way 2.3-ohm Coaxial Car Speakers + NVX SDBSK2 Premium Sound Damping

• 105 watts Peak Each, 35 watts RMS Each
• Edge-driven Soft Dome tweeters with deflector
• Polypropylene Plus One woofer cone material
• Impedance: 2.3 ohm
• Sensitivity: 90 dB

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46
$79.94

Available

Ships in 10-14 days

• 105 watts Peak Each, 35 watts RMS Each
• Edge-driven Soft Dome tweeters with deflector
• Polypropylene Plus One woofer cone material
• Impedance: 2.3 ohm
• Sensitivity: 90 dB

Massive Audio MX4 with Sound Damping

300W Peak (60W RMS) 4" MX Series 2-way 4-ohm Coaxial Car Speakers+ NVX SDBSK2 Premium Sound Damping

MA-MX4_SDBSK2 big
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300W Peak (60W RMS) 4" MX Series 2-way 4-ohm Coaxial Car Speakers+ NVX SDBSK2 Premium Sound Damping

• 150 watts Peak Each, 30 watts RMS Each
• 0.51" Hard diaphragm Dome tweeters with ferro-fluid cooled VC
• Laminate-Treated Paper cone material
• 2 custom painted metal speaker grilles Included
• Impedance: 4 ohm
• Sensitivity: 91.5 dB

Save 15% Off Package Deals at Checkout!
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47
List price $68.73
-20% $54.98

Available

Ships in 10-14 days

• 150 watts Peak Each, 30 watts RMS Each
• 0.51" Hard diaphragm Dome tweeters with ferro-fluid cooled VC
• Laminate-Treated Paper cone material
• 2 custom painted metal speaker grilles Included
• Impedance: 4 ohm
• Sensitivity: 91.5 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
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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!
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Fits select locations in your 900.
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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
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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!
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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"

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
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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

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Install kits available for most vehicles

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9
List price $189.99
-15% $161.49 /pair

In stock

Rockford Fosgate Prime R14X2 (Open Box, Great)

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

R14X2 big
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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

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Install kits available for most vehicles

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14
List price $64.99
-15% $55.24 /pair

In stock

Limited time!

NVX NSP4

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

NSP4 big
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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!
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Install kits available for most vehicles

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25
List price $59.99
-25% $44.99 /pair

In stock

Used from: $27.99

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    FAQ for Speakers in 1981 900

    Q: Can I upgrade or change the Speakers in 1981 Saab 900?

    A: Yes this page includes all the best Speakers that work in your 900.

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

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