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2004 MINI Cooper

Universal gear includes car amplifiers, subs, and other products that do not install in a specific location or require fitment to integrate with a vehicle.

Universal-Fit Audio for 2004 MINI Cooper

When thinking of universal gear, we consider products like a car amp that gives more power to your speakers or subs, cell phone chargers, equalizers and sound processors, rear-seat entertainment and video monitors, as well as dash cameras.

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Belva BAK84 (Open Box, Great)

8 Gauge Premium (CCA) Copper Clad Aluminum Complete 4-Channel Amplifier Wiring Kit with RCA for Amplifiers up to 600 Watts - RED

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8 Gauge Premium (CCA) Copper Clad Aluminum Complete 4-Channel Amplifier Wiring Kit with RCA for Amplifiers up to 600 Watts - RED

• Complete 8 Gauge Amplifier Installation Kit
• For Amplifiers Up To 600 Watts RMS
• Premium (CCA) Copper Clad Aluminum
• Helical Twist 4-Channel RCA Cable
• ANL/Mini-ANL Fuse Holder with 60 amp fuse
• Complies to American Wire Gauge standards

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List price $59.99
-48% $31.49

In stock

Only 1 Left!

• Complete 8 Gauge Amplifier Installation Kit
• For Amplifiers Up To 600 Watts RMS
• Premium (CCA) Copper Clad Aluminum
• Helical Twist 4-Channel RCA Cable
• ANL/Mini-ANL Fuse Holder with 60 amp fuse
• Complies to American Wire Gauge standards

EXCLUSIVE

Belva BB2D 2 Farad Capacitor with Red Digital Voltage Meter + 4 Gauge Amp Kit

Package Includes a 2 Farad Cap + Premium 4 Gauge Wire Kit

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Package Includes a 2 Farad Cap + Premium 4 Gauge Wire Kit

• 2.0 Farad Power Capacitor
• Perfect for Systems up to 2000 Watts
• Audible Warning
• Red Voltage Display
• Mounting Brackets Included

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List price $149.98
-49% $75.95

In stock

• 2.0 Farad Power Capacitor
• Perfect for Systems up to 2000 Watts
• Audible Warning
• Red Voltage Display
• Mounting Brackets Included

Belva BAK42BL (Open Box, Great)

4 Gauge Premium (CCA) Copper Clad Aluminum Complete 2-Channel Amplifier Wiring Kit with RCA for Amplifiers up to 1200 Watts - BLUE

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4 Gauge Premium (CCA) Copper Clad Aluminum Complete 2-Channel Amplifier Wiring Kit with RCA for Amplifiers up to 1200 Watts - BLUE

• Complete 4 Gauge Amplifier Installation Kit
• For Amplifiers Up To 1200 Watts RMS
• Premium (CCA) Copper Clad Aluminum
• Helical Twist 2-Channel RCA Cable
• ANL/Mini-ANL Fuse Holder with 80 amp fuse
• Complies to American Wire Gauge standards

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List price $59.99
-42% $34.99

In stock

Belva BAK02 (Like New (Open Box))

1/0 Gauge Premium (CCA) Copper Clad Aluminum Complete 2-Channel Amplifier Wiring Kit with RCA for Amplifiers up to 2000 Watts - RED

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1/0 Gauge Premium (CCA) Copper Clad Aluminum Complete 2-Channel Amplifier Wiring Kit with RCA for Amplifiers up to 2000 Watts - RED

• 1/0 Gauge Amplifier Installation Kit
• For Amplifiers Up To 2000 Watts RMS
• Premium (CCA) Copper Clad Aluminum
• Helical Twist 2-Channel RCA Cable
• ANL Fuse Holder with 100 amp fuse
• Complies to American Wire Gauge standards

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List price $69.99
-27% $50.99

In stock

Only 1 Left!

• 1/0 Gauge Amplifier Installation Kit
• For Amplifiers Up To 2000 Watts RMS
• Premium (CCA) Copper Clad Aluminum
• Helical Twist 2-Channel RCA Cable
• ANL Fuse Holder with 100 amp fuse
• Complies to American Wire Gauge standards

Belva BAK82 (Open Box, Great)

8 Gauge Premium (CCA) Copper Clad Aluminum Complete 2-Channel Amplifier Wiring Kit with RCA for Amplifiers up to 600 Watts - RED

BAK82 big
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8 Gauge Premium (CCA) Copper Clad Aluminum Complete 2-Channel Amplifier Wiring Kit with RCA for Amplifiers up to 600 Watts - RED

• Complete 8 Gauge Amplifier Installation Kit
• For Amplifiers Up To 600 Watts RMS
• Premium (CCA) Copper Clad Aluminum
• Helical Twist 2-Channel RCA Cable
• ANL/Mini-ANL Fuse Holder with 60 amp fuse
• Complies to American Wire Gauge standards

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List price $49.99
-44% $27.99

In stock

• Complete 8 Gauge Amplifier Installation Kit
• For Amplifiers Up To 600 Watts RMS
• Premium (CCA) Copper Clad Aluminum
• Helical Twist 2-Channel RCA Cable
• ANL/Mini-ANL Fuse Holder with 60 amp fuse
• Complies to American Wire Gauge standards

Belva BMSS10RW (Open Box, Good)

800W Peak (400W RMS) 10" Shallow Marine Subwoofer with Multi-color LED Lighting

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800W Peak (400W RMS) 10" Shallow Marine Subwoofer with Multi-color LED Lighting

• Peak Power: 800 watts
• RMS Power: 400 watts
• Polypropylene Cone
• Butyl Rubber Surround
• Impedance: Dual 4 ohm
• Sensitivity: 92 dB

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List price $99.99
-44% $55.99

In stock

Only 2 Left!

• Peak Power: 800 watts
• RMS Power: 400 watts
• Polypropylene Cone
• Butyl Rubber Surround
• Impedance: Dual 4 ohm
• Sensitivity: 92 dB

Belva BAK44 (Open Box, Great)

4 Gauge Premium (CCA) Copper Clad Aluminum Complete 4-Channel Amplifier Wiring Kit with RCA for Amplifiers up to 1200 Watts - RED

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4 Gauge Premium (CCA) Copper Clad Aluminum Complete 4-Channel Amplifier Wiring Kit with RCA for Amplifiers up to 1200 Watts - RED

• Complete 4 Gauge Amplifier Installation Kit
• For Amplifiers Up To 1200 Watts RMS
• Premium (CCA) Copper Clad Aluminum
• Helical Twist 4-Channel RCA Cable
• ANL/Mini-ANL Fuse Holder with 80 amp fuse
• Complies to American Wire Gauge standards

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List price $79.99
-48% $41.99

In stock

Only 1 Left!

Belva BSA10LED (Open Box, Great)

Universal RGB LED Light Ring with Remote for Most 10" Subwoofers

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Universal RGB LED Light Ring with Remote for Most 10" Subwoofers

• Remote Control Included
• Use the remote to cycle through over 30 different modes
• LEDs have an adjustable brightness
• The lights have the ability to sync to the music and change to the beat
• The fitment is universal and this subwoofer light ring should fit almost all 10" subwoofers

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List price $39.99
-69% $12.59

In stock

• Remote Control Included
• Use the remote to cycle through over 30 different modes
• LEDs have an adjustable brightness
• The lights have the ability to sync to the music and change to the beat
• The fitment is universal and this subwoofer light ring should fit almost all 10" subwoofers

Single 12" Subwoofer Angled Truck or Hatchback Box Enclosure (Open Box, Great)

1TRUCK12 - CARB Compliant, 5/8" MDF Shallow Sub Enclosure Lined with Polyfil

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1TRUCK12 - CARB Compliant, 5/8" MDF Shallow Sub Enclosure Lined with Polyfil

• 5/8" MDF (Medium Density Fiberboard)
• Perfect for Tight Spaces (trucks/hatchbacks)
• Fits Most 12" Subwoofers
• 0.75 CuFt
• fully carpeted
• Fully Caulked and Sealed Tight

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List price $95.99
-42% $55.99

In stock

• 5/8" MDF (Medium Density Fiberboard)
• Perfect for Tight Spaces (trucks/hatchbacks)
• Fits Most 12" Subwoofers
• 0.75 CuFt
• fully carpeted
• Fully Caulked and Sealed Tight

EXCLUSIVE

Belva BPKG110v2 (Open Box, Good)

Includes: 500W 10" Sub, Ported Box, Mono Amplifier with Bass Knob and Amp Kit

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Includes: 500W 10" Sub, Ported Box, Mono Amplifier with Bass Knob and Amp Kit

• Works with both Factory and Aftermarket Audio Systems
• Single 10" Belva Subwoofer
• Monoblock Amp with Bass Knob
• Ported Enclosure
• Complete Amp Wiring Kit

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List price $259.99
-54% $119.99

In stock

Only 2 Left!

• Works with both Factory and Aftermarket Audio Systems
• Single 10" Belva Subwoofer
• Monoblock Amp with Bass Knob
• Ported Enclosure
• Complete Amp Wiring Kit

Belva BAK42 (Open Box, Great)

4 Gauge Premium (CCA) Copper Clad Aluminum Complete 2-Channel Amplifier Wiring Kit with RCA for Amplifiers up to 1200 Watts - RED

BAK42 big
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4 Gauge Premium (CCA) Copper Clad Aluminum Complete 2-Channel Amplifier Wiring Kit with RCA for Amplifiers up to 1200 Watts - RED

• Complete 4 Gauge Amplifier Installation Kit
• For Amplifiers Up To 1200 Watts RMS
• Premium (CCA) Copper Clad Aluminum
• Helical Twist 2-Channel RCA Cable
• ANL/Mini-ANL Fuse Holder with 80 amp fuse
• Complies to American Wire Gauge standards

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Universal Icon Universal – fits most vehicles.

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List price $59.99
-42% $34.99

In stock

Only 2 Left!

Belva BASB26 Version 2 (BASB26v2) (Open Box, Great)

26" 500W Amplified 6-Speaker Weatherproof Powersports Bluetooth Soundbar Sound System for most UTV, ATV, SXS, and Golf Carts

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26" 500W Amplified 6-Speaker Weatherproof Powersports Bluetooth Soundbar Sound System for most UTV, ATV, SXS, and Golf Carts

• Compatible with 1.5", 1.75", and 2" roll cages and bars
• Four 3.5" full-range speakers and two 1" tweeters
• Built-in Bluetooth for Wireless Music Streaming
• USB port and 3.5mm AUX input (minijack)
• Remote control included

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List price $359.99
-59% $145.99

In stock

• Compatible with 1.5", 1.75", and 2" roll cages and bars
• Four 3.5" full-range speakers and two 1" tweeters
• Built-in Bluetooth for Wireless Music Streaming
• USB port and 3.5mm AUX input (minijack)
• Remote control included

EXCLUSIVE

Belva BPKG110v2 (Open Box, Great)

Includes: 500W 10" Sub, Ported Box, Mono Amplifier with Bass Knob and Amp Kit

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Includes: 500W 10" Sub, Ported Box, Mono Amplifier with Bass Knob and Amp Kit

• Works with both Factory and Aftermarket Audio Systems
• Single 10" Belva Subwoofer
• Monoblock Amp with Bass Knob
• Ported Enclosure
• Complete Amp Wiring Kit

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List price $259.99
-48% $135.99

In stock

Only 2 Left!

• Works with both Factory and Aftermarket Audio Systems
• Single 10" Belva Subwoofer
• Monoblock Amp with Bass Knob
• Ported Enclosure
• Complete Amp Wiring Kit

Belva BLPCAM2 (Open Box, Good)

License Plate Mounted Waterproof Rearview Backup Camera with Built in Night Vision

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License Plate Mounted Waterproof Rearview Backup Camera with Built in Night Vision

• Full License Plate Frame Rearview Back Up Camera
• Nightvision
• Resolution: 720 x 480
• Viewing Angle: 170°

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List price $99.99
-76% $23.99

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Only 1 Left!

• Full License Plate Frame Rearview Back Up Camera
• Nightvision
• Resolution: 720 x 480
• Viewing Angle: 170°

Belva BAK82 (Like New (Open Box))

8 Gauge Premium (CCA) Copper Clad Aluminum Complete 2-Channel Amplifier Wiring Kit with RCA for Amplifiers up to 600 Watts - RED

BAK82 big
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8 Gauge Premium (CCA) Copper Clad Aluminum Complete 2-Channel Amplifier Wiring Kit with RCA for Amplifiers up to 600 Watts - RED

• Complete 8 Gauge Amplifier Installation Kit
• For Amplifiers Up To 600 Watts RMS
• Premium (CCA) Copper Clad Aluminum
• Helical Twist 2-Channel RCA Cable
• ANL/Mini-ANL Fuse Holder with 60 amp fuse
• Complies to American Wire Gauge standards

shipping truck icon Free shipping in USA. Provide zip for delivery date.

Universal Icon Universal – fits most vehicles.

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List price $49.99
-32% $33.99

In stock

Only 2 Left!

• Complete 8 Gauge Amplifier Installation Kit
• For Amplifiers Up To 600 Watts RMS
• Premium (CCA) Copper Clad Aluminum
• Helical Twist 2-Channel RCA Cable
• ANL/Mini-ANL Fuse Holder with 60 amp fuse
• Complies to American Wire Gauge standards

Belva BAK42BK (Open Box, Great)

4 Gauge Premium (CCA) Copper Clad Aluminum Complete 2-Channel Amplifier Wiring Kit with RCA for Amplifiers up to 1200 Watts - GRAY

BAK42BK big
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4 Gauge Premium (CCA) Copper Clad Aluminum Complete 2-Channel Amplifier Wiring Kit with RCA for Amplifiers up to 1200 Watts - GRAY

• Complete 4 Gauge Amplifier Installation Kit
• For Amplifiers Up To 1200 Watts RMS
• Premium (CCA) Copper Clad Aluminum
• Helical Twist 2-Channel RCA Cable
• ANL/Mini-ANL Fuse Holder with 80 amp fuse
• Complies to American Wire Gauge standards

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Universal Icon Universal – fits most vehicles.

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List price $59.99
-42% $34.99

In stock

Only 1 Left!

Belva BASB26 (Open Box, Great)

26" 500W Weatherproof UTV/ATV/Powersports Bluetooth Soundbar with 6 Speakers

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26" 500W Weatherproof UTV/ATV/Powersports Bluetooth Soundbar with 6 Speakers

• Weatherproof IPX 5 soundbar
• Four 3" Full-Range Drivers
• Two 1" Horn Tweeters
• Built-in Class-D Amplifier

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List price $299.99
-65% $104.99

In stock

• Weatherproof IPX 5 soundbar
• Four 3" Full-Range Drivers
• Two 1" Horn Tweeters
• Built-in Class-D Amplifier

Belva BASB27 Version 2 (BASB27v2) (Like New (Open Box))

27" 500W Amplified 8-Speaker Weatherproof Powersports Bluetooth Soundbar Sound System with RGB LED lights for most UTV, ATV, SXS, and Golf Carts

BASB27v2 big
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27" 500W Amplified 8-Speaker Weatherproof Powersports Bluetooth Soundbar Sound System with RGB LED lights for most UTV, ATV, SXS, and Golf Carts

• Compatible with 1.5", 1.75", and 2" roll cages and bars
• Six 3.5" full-range speakers and two 1" tweeters
• Built-in Bluetooth for Wireless Music Streaming
• USB port and 3.5mm AUX input (minijack)
• Remote control included

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List price $549.99
-66% $186.99

In stock

Only 1 Left!

• Compatible with 1.5", 1.75", and 2" roll cages and bars
• Six 3.5" full-range speakers and two 1" tweeters
• Built-in Bluetooth for Wireless Music Streaming
• USB port and 3.5mm AUX input (minijack)
• Remote control included

Limited time!

Belva BB200ABv2 (Open Box, Good)

500W Peak Class A/B Monoblock Amplifier

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500W Peak Class A/B Monoblock Amplifier

• Class A/B Monoblock Amplifier
• Adjustable Gain Controls
• Low-Pass Filter: 40-300Hz
• Bass Boost: +0-12DB
• One pair of preamp outputs
• Remote bass knob included

Save 30% off an NVX XKIT82 Amp Kit at Checkout!
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List price $75.99
-13% $65.99

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Belva BPKGW122 (Open Box, Great)

600W Peak 12" Single 2-Ohm Car Audio Subwoofer

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600W Peak 12" Single 2-Ohm Car Audio Subwoofer

• 600 Watts Max
• Polypropylene Cone
• Durable Rubber Surround
• 1.5" black aluminum voice coil
• 37 oz. ferrite magnet motor structure

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List price $59.99
-42% $34.99

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Only 1 Left!

• 600 Watts Max
• Polypropylene Cone
• Durable Rubber Surround
• 1.5" black aluminum voice coil
• 37 oz. ferrite magnet motor structure

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    FAQ for Universal-Fit Audio & Electronics in 2004 Cooper

    Q: Can I upgrade or change the Universal-Fit Audio & Electronics in 2004 MINI Cooper?

    A: Yes this page includes all the best Universal-Fit Audio & Electronics that work in your Cooper.

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    • Owner's manual
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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.