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Sundown Audio M-18 D1 18" (M18D1)

4000W Peak (2000W RMS) 18" M Series Dual 1-ohm Car Subwoofer (SW-M18D1)

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4000W Peak (2000W RMS) 18" M Series Dual 1-ohm Car Subwoofer (SW-M18D1)

• Peak Power: 4000 watts
• RMS Power: 2000 watts
• Impedance: Dual 1 ohm
• Polypropylene Cone
• High Roll Foam Surround
• Mount depth: 14.05"
• Sensitivity: 85.83 dB

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List price $839.99
-17% $699.99

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Kicker CDF104 (48CDF104)

300W Peak (150W RMS) Loaded Single 10" Downward Firing Sealed Subwoofer Enclosure

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300W Peak (150W RMS) Loaded Single 10" Downward Firing Sealed Subwoofer Enclosure

• Sealed enclosure with 1 10" Comp Series Subwoofer
• 75-150 watts RMS Power Rating
• Final Impedance: 4-ohm
• Dimensions: 20 11/16" L x 7 1/16" H x 12 1/4" W

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List price $189.99
-11% $169.99

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Cerwin-Vega V8DV2

2400W Peak (800W RMS) 8" Vega Series Dual 2-ohm Subwoofer

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2400W Peak (800W RMS) 8" Vega Series Dual 2-ohm Subwoofer

• Peak Power: 2400 watts
• RMS Power: 800 watts
• Impedance: Dual 2 ohm
• Carbon Fiber Polypropylene Cone
• Santoprene Rubber Surround
• Mount depth: 5.43"
• Sensitivity: 85 dB

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List price $227.99
-17% $189.99

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Rockford Fosgate Punch P1 P1S2-12

500W Peak (250W RMS) 12" Punch Series Single 2-ohm Car Subwoofer

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500W Peak (250W RMS) 12" Punch Series Single 2-ohm Car Subwoofer

• Peak Power: 500 watts
• RMS Power: 250 watts
• Impedance: Single 2 ohm
• Kevlar Reinforced Pulp Paper Cone
• Nitrile Butadiene Rubber NBR Surround
• Mount depth: 6"
• Sensitivity: 86 dB

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List price $129.99
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-8% $119.99

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Pioneer TS-A2000LB

700W Peak (250W RMS) Loaded Single 8" Sealed Shallow Truck Enclosure

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700W Peak (250W RMS) Loaded Single 8" Sealed Shallow Truck Enclosure

• Sealed shallow truck enclosure with 1 8" A Series Subwoofer
• 250 watts RMS (700 watts Peak)
• Final Impedance: 2-ohm
• Dimensions: 13.75" L x 9.875" H x 5.125" W

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List price $240.00
-17% $199.99

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Sundown Audio U-8 D4 8" (U8D4)

1500W Peak (750 RMS) 8" U Series Dual 2-ohm Car Subwoofer (SW-UV18D4)

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1500W Peak (750 RMS) 8" U Series Dual 2-ohm Car Subwoofer (SW-UV18D4)

• Peak Power: 1500 watts
• RMS Power: 750 watts
• Impedance: Dual 4 ohm
• Pressed Paper Cone
• Double-Stitched Surround
• Mount depth: 6.02"
• Sensitivity: 81.6 dB

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List price $419.99
-17% $349.99

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Atrend 15KS

Empty Single 15" Sealed Enclosure for Kicker L7R and L7S Series Subwoofers

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Empty Single 15" Sealed Enclosure for Kicker L7R and L7S Series Subwoofers

• 15" Single Sealed Subwoofer Enclosure
• Fits Kicker L7R and L7S series subwoofers
• 3/4" Medium Density Fiberboard (MDF) construction
• Miter and Dado construction
• Premium carpet finish
• Silver spring loaded terminal cups
• Glued and braced with fasteners
• Total box volume: 2.25 cubic feet

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List price $119.99
-29% $84.99

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DS18 ZR6.4D

600W Peak (300W RMS) 6.5" ZR Series Dual 4-ohm Car Subwoofer

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600W Peak (300W RMS) 6.5" ZR Series Dual 4-ohm Car Subwoofer

• Peak Power: 600 watts
• RMS Power: 300 watts
• Non-Pressed Paper Cone
• Foam Surround
• Impedance: Dual 4 ohm
• Mount depth: 3.49"
• Sensitivity: 82 dB

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$95.95

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Hertz MPS 300 S2

1000W Peak (500W RMS) 12" Mille Pro Series Single 2-ohm Shallow Car Subwoofer

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1000W Peak (500W RMS) 12" Mille Pro Series Single 2-ohm Shallow Car Subwoofer

• Peak Power: 1000 watts
• RMS Power: 500 watts
• Impedance: Single 2 ohm
• Polypropylene Cone material
• Rubber Surround material
• Mount depth: 3.46"
• Sensitivity: 84.5 dB

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List price $695.00
-14% $599.99

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Sundown Audio SA-12 v.2 D2 12" (SA12V2D2)

2500W Peak (1250W RMS) 12" SA Series Dual 2-ohm Car Subwoofer (SW-SAV212D2)

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2500W Peak (1250W RMS) 12" SA Series Dual 2-ohm Car Subwoofer (SW-SAV212D2)

• Peak Power: 2500 watts
• RMS Power: 1250 watts
• Impedance: Dual 2 ohm
• Competition Grade Paper Cone
• Foam Surround
• Mount depth: 7.35"
• Sensitivity: 86.59 dB

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List price $491.99
-17% $409.99

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Sundown Audio X-18 v.3 D1 18" (X12V3D1)

5000W Peak (2500W RMS) 18" X Series Dual 1-ohm Car Subwoofer (SW-XV318D1)

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5000W Peak (2500W RMS) 18" X Series Dual 1-ohm Car Subwoofer (SW-XV318D1)

• Peak Power: 5000 watts
• RMS Power: 2500 watts
• Impedance: Dual 1 ohm
• Pressed Paper Cone
• Mega Roll V2 Surround
• Mount depth: 13.6"
• Sensitivity: 88.6 dB

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List price $1019.99
-17% $849.99

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American Bass VFL Comp Signature 18" (VFLCOMP-1822)

10000W Peak (5000W RMS) 18" VFL Competition Series Dual 2-ohm Subwoofer

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10000W Peak (5000W RMS) 18" VFL Competition Series Dual 2-ohm Subwoofer

• Peak Power: 10000 watts
• RMS Power: 5000 watts
• Impedance: Dual 2 ohm
• Kevlar Fiber-Enforced Non-Pressed Paper cone
• High Roll Foam surround
• Mount depth: 11"

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List price $1618.44
-38% $1,002.36

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Hertz MPS 250 S2

1000W Peak (500W RMS) 10" Mille Pro Series Single 2-ohm Shallow Car Subwoofer

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1000W Peak (500W RMS) 10" Mille Pro Series Single 2-ohm Shallow Car Subwoofer

• Peak Power: 1000 watts
• RMS Power: 500 watts
• Impedance: Single 2 ohm
• Polypropylene Cone material
• Rubber Surround material
• Mount depth: 3.25"
• Sensitivity: 82.5 dB

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List price $580.00
-14% $499.99

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Sundown Audio SA-15 v.2 D4 15" (SA15V2D4)

2500W Peak (1250W RMS) 15" SA Series Dual 4-ohm Car Subwoofer (SW-SAV215D4)

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2500W Peak (1250W RMS) 15" SA Series Dual 4-ohm Car Subwoofer (SW-SAV215D4)

• Peak Power: 2500 watts
• RMS Power: 1250 watts
• Impedance: Dual 4 ohm
• Competition Grade Paper cone
• Foam surround
• Mount depth: 8.65"
• Sensitivity: 87.08 dB

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List price $491.99
-17% $409.99

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Atrend A122-12V

Empty Dual 12" 3rd Row SUV Universal Vented Subwoofer Enclosure

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Empty Dual 12" 3rd Row SUV Universal Vented Subwoofer Enclosure

• 12" Dual Ported Subwoofer Enclosure
• 3/4" Medium Density Fiberboard (MDF) construction
• Universal fit for 3rd row SUV and behind rear seat
• Subwoofers fire down and vents fire upward
• Miter and Dado construction
• Premium tuff-coat spray liner finish
• Silver spring loaded terminal cups
• Glued and braced with fasteners
• Total box volume: 2.7 cubic feet

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List price $319.99
-11% $283.40

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Atrend 10DV-MOJO

Empty Dual 10" Vented Enclosure for Memphis MOJO, MOJO Pro, and M6/M7 Series Subwoofers

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Empty Dual 10" Vented Enclosure for Memphis MOJO, MOJO Pro, and M6/M7 Series Subwoofers

• 10" Dual Ported Subwoofer Enclosure
• Fits Memphis MOJO, MOJO Pro, and M6/M7 series subwoofers
• 1" Medium Density Fiberboard (MDF) construction
• Premium black carpet finish
• Total box volume: 3.2 cubic feet

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List price $239.99
-35% $155.99

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Lowest price in 30 days

Sundown Audio X-18 v.3 D2 18" (X12V3D2)

5000W Peak (2500W RMS) 18" X Series Dual 2-ohm Car Subwoofer (SW-XV318D2)

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5000W Peak (2500W RMS) 18" X Series Dual 2-ohm Car Subwoofer (SW-XV318D2)

• Peak Power: 5000 watts
• RMS Power: 2500 watts
• Impedance: Dual 2 ohm
• Pressed Paper Cone
• Mega Roll V2 Surround
• Mount depth: 13.6"
• Sensitivity: 87.6 dB

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List price $1019.99
-17% $849.99

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JL Audio MicroSub CP106LG-W3v3

150W RMS Loaded Single 6.5" Vented Enclosure

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150W RMS Loaded Single 6.5" Vented Enclosure

• Ported enclosure with 1 6.5" W3 v3 Series Subwoofer
• 150 watts RMS
• Final Impedance: 4-ohm
• Dimensions: 14.125" L x 9.625" H x 5.125" W

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$419.99

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Used from: $356.99

Diamond Audio DPST12

600W Peak (300W RMS) Loaded 11" Spare Tire Passive Subwoofer Enclosure

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600W Peak (300W RMS) Loaded 11" Spare Tire Passive Subwoofer Enclosure

• Sealed enclosure with 1 11" DMD Series Subwoofer
• 300 watts RMS (600 watts Peak)
• Final Impedance: 4-ohm
• Dimensions: 14.2" L x 5.9" W

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$389.99

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• Sealed enclosure with 1 11" DMD Series Subwoofer
• 300 watts RMS (600 watts Peak)
• Final Impedance: 4-ohm
• Dimensions: 14.2" L x 5.9" W

Kicker L7X122 (49L7X122)

2000W RMS 12" SoloX Series Dual 2-ohm Subwoofer

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2000W RMS 12" SoloX Series Dual 2-ohm Subwoofer

• RMS Power: 1000 - 2000 watts
• Impedance: Dual 2 ohm
• Double-pressed pulp Cone
• UV-resistant Santoprene Surround
• Mount depth: 10-1/8"

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List price $849.99
-12% $749.99

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• RMS Power: 1000 - 2000 watts
• Impedance: Dual 2 ohm
• Double-pressed pulp Cone
• UV-resistant Santoprene Surround
• Mount depth: 10-1/8"

NVX - Worth the Envy - Direct to Consumer Car Audio

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    FAQ for Subwoofer and Sub Box Upgrades in 1977 Courier

    Q: Can I upgrade or change the Subwoofer and Sub Box Upgrades in 1977 Ford Courier?

    A: Yes this page includes all the best Subwoofer and Sub Box Upgrades that work in your Courier.

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