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1978 BMW 630CSi

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 1978 BMW 630CSi

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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JL Audio M6-8IB-S-GwGw-4

200W RMS 8" M6 Series Single 4-ohm Marine Subwoofer with Gloss White Sport Grille

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200W RMS 8" M6 Series Single 4-ohm Marine Subwoofer with Gloss White Sport Grille

• RMS Power: 200 watts
• Impedance: Single 4 ohm
• Injection Molded Polypropylene Cone
• Synthetic Rubber Surround
• Mount depth: 5.07"
• Sensitivity: 86.8 dB

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$349.99

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NVX XKIT42

Full Spec 4 Gauge 100% (OFC) Oxygen Free Copper Complete 2-Channel Amplifier Wiring Kit with RCA for Amplifiers up to 1500 Watts

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Full Spec 4 Gauge 100% (OFC) Oxygen Free Copper Complete 2-Channel Amplifier Wiring Kit with RCA for Amplifiers up to 1500 Watts

• Complete 4 Gauge Amplifier Installation Kit
• For Amplifiers Up To 1500 Watts RMS
• 100% (OFC) Oxygen Free Copper
• Dual Twisted Pair 2-Channel RCA Cable
• Tinned conductors for corrosion resistance
• Pre-terminated seamless power and ground ring terminals
• ANL/Mini-ANL Fuse Holder with 100 amp fuse
• CEA-2015 and BC5W2 Compliant

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Available Offers (2) for NVX XKIT42
15% off an NVX XCAP10H w/ Select Amp Kits Add a qualifying amplifier to your cart and save 15% on the NVX XCAP10H Capacitor! No code needed — discount applies automatically at checkout.
15% off an NVX XCAP1F w/ Select Amp Kits Add a qualifying amplifier to your cart and save 15% on the NVX XCAP1F Capacitor! No code needed — discount applies automatically at checkout.

NVX XW8BL20

20 ft 8-Gauge EnvyFlex True Spec Oxygen-Free Copper Power and Ground Wire (Blue)

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20 ft 8-Gauge EnvyFlex True Spec Oxygen-Free Copper Power and Ground Wire (Blue)

• 20 feet 8 gauge Power and Ground Wire
• Silver-tinned OFC (100% Oxygen-Free Copper) material
• Color: Blue

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Rockford Fosgate Punch Pro PP4-NT (Sold Individually)

100W Peak (50W RMS) 1" Punch Series 4-ohm Pro-Audio Horn Tweeter

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100W Peak (50W RMS) 1" Punch Series 4-ohm Pro-Audio Horn Tweeter

• 1” Aluminum Pro Audio Horn Tweeter
• 100 watts Peak Each
• 50 watts RMS Each
• 4 ohm Impedance

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• 1” Aluminum Pro Audio Horn Tweeter
• 100 watts Peak Each
• 50 watts RMS Each
• 4 ohm Impedance

Alpine RUX-KNOB.2

Dash Mount Wired Bass Remote Controller for Alpine Amplifiers

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Dash Mount Wired Bass Remote Controller for Alpine Amplifiers

• Wired Bass Remote Controller
• Compatible with Alpine amplifiers
• Dash-mountable installation
• Variable Gain Control: 0 to -12 dB
• Color: Black

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JL Audio M-SWMCPv3-2.250

ETXv3 Enclosed Speaker System Swivel Mount Fixture, for pipe diameter of 2.50 inches

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ETXv3 Enclosed Speaker System Swivel Mount Fixture, for pipe diameter of 2.50 inches

• JL Audio Tower Speaker Mounting Kit
• Clamp has an Inner Diameter of 2.50 Inches
• For JL Audio M880-ETXv3, M770-ETXv3 and MX770-ETXv3 speaker models

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• JL Audio Tower Speaker Mounting Kit
• Clamp has an Inner Diameter of 2.50 Inches
• For JL Audio M880-ETXv3, M770-ETXv3 and MX770-ETXv3 speaker models

Deaf Bonce Apocalypse ATOM-700.2 PRO

700W RMS Class D Apocalypse Atom Pro Series 2-Channel Full Range Car Amplifier

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700W RMS Class D Apocalypse Atom Pro Series 2-Channel Full Range Car Amplifier

• 230 watts x 2 channel @ 4 ohm
• 480 watts x 2 channel @ 2 ohm
• 700 watts x 2 channel @ 1 ohm
• Bridged: 960 watts x 1 channel @ 4 ohm
• 14000 watts @ 2 ohm
• Total RMS Power: 700 watts
• Class D 1 ohm Stable 2-Channel-Channel Amplifier

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MTX TN10-04

300W Peak (150W RMS) 10" Terminator Series Single 4-ohm Car Subwoofer

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300W Peak (150W RMS) 10" Terminator Series Single 4-ohm Car Subwoofer

• Peak Power: 300 watts
• RMS Power: 150 watts
• Impedance: Single 4 ohm
• Polypropylene Cone
• Rubber Surround
• Mount depth: 4-11/16"
• Sensitivity: 84.9 dB

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JL Audio 10W0v3-4

300W RMS 10" W0v3 Series Single 4-ohm Car Subwoofer

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300W RMS 10" W0v3 Series Single 4-ohm Car Subwoofer

• RMS Power: 300 watts
• Impedance: Single 4 ohm
• Mount depth: 4.90"
• Sensitivity: 84.07 dB

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NVX VAD17001 v2 (VAD17001v2)

3400W Peak (1700W RMS) Class D V-Series Monoblock Car/Marine/Powersports Amplifier with Bass Remote

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3400W Peak (1700W RMS) Class D V-Series Monoblock Car/Marine/Powersports Amplifier with Bass Remote

• 800 watts x 1 channel @ 4 ohm
• 1350 watts x 1 channel @ 2 ohm
• 1700 watts x 1 channel @ 1 ohm
• Total RMS Power: 1700 watts
• Class D 1 ohm Stable Monoblock Amplifier

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Available Offers (2) for NVX VAD17001 v2 (VAD17001v2)
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List price $335.99
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$220.99 with coupon | Price details
2026-06-30 23:59:00
Save 30% on an NVX XKIT42 Amp Kit with Purchase! Add a qualifying amplifier to your cart and save 30% on the NVX XKIT42 Amp Kit! No code needed — discount applies automatically at checkout.

Viper 5108V

2-Way Remote Start, Keyless Entry and Car Alarm System with (2) 1/4 Mile Range 4 Button Transmitters

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2-Way Remote Start, Keyless Entry and Car Alarm System with (2) 1/4 Mile Range 4 Button Transmitters

• 1-Way Remote Start, Keyless Entry and Car Alarm System
• Includes (2) 4-button LED remote control transmitter
• 1/4 mile (1320 ft) range
• Antenna with integrated valet switch and LED

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• 1-Way Remote Start, Keyless Entry and Car Alarm System
• Includes (2) 4-button LED remote control transmitter
• 1/4 mile (1320 ft) range
• Antenna with integrated valet switch and LED

Metra 44-UA200 Antenna

Amplified AM/FM Antenna that will help you get better signal for clarity (Metra 44-UA200)

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Amplified AM/FM Antenna that will help you get better signal for clarity (Metra 44-UA200)

• High Performance Windshield or Glass Mount Amplified Antenna
• Separate AM/FM Amplifiers • Ground wire for noise-cancellation
• LED Indicator confirms amplifier operation

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• High Performance Windshield or Glass Mount Amplified Antenna
• Separate AM/FM Amplifiers • Ground wire for noise-cancellation
• LED Indicator confirms amplifier operation

Stinger SPT5503

PRO Series Classic Banana Plug Dual Terminal w/ Shoc-Krome Plating and Black Plastic Clip (1/pack)

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PRO Series Classic Banana Plug Dual Terminal w/ Shoc-Krome Plating and Black Plastic Clip (1/pack)

• Accepts Up To 8 Gauge
• Dual Red Molded Design
• Compression Style Connection
• Expandable Quick Connection
• Shoc-Krome Plating

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• Accepts Up To 8 Gauge
• Dual Red Molded Design
• Compression Style Connection
• Expandable Quick Connection
• Shoc-Krome Plating

JBL Cruise 8MM Bolt Kit (PWSACCCRUISEM8)

8MM Bolt Kit for JBL Cruise Handlebar Speaker Pods

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8MM Bolt Kit for JBL Cruise Handlebar Speaker Pods

• Mounting hardware for JBL Cruise Handlebar Speakers
• Designed for select motorcycles for Vespa, Benelli, Piaggio, and Genuine motorcycles
• Designed for a majority of Asian scooter brands

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• Mounting hardware for JBL Cruise Handlebar Speakers
• Designed for select motorcycles for Vespa, Benelli, Piaggio, and Genuine motorcycles
• Designed for a majority of Asian scooter brands

JL Audio BassWedge CP210-W0v3

600W RMS Dual 10" W0v3 BassWedge Series Enclosed Subwoofer System

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600W RMS Dual 10" W0v3 BassWedge Series Enclosed Subwoofer System

•Dual 10" 10W0v3-4 Loaded Ported Enclosure
• 1200W Peak
• 600W RMS
• Top-Quality MDF Construction
• Durable Dark Gray Carpet Finish
• Five-Way Binding Post Connectors
• Embroidered JL Audio Logo

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$349.99

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NVX XW0BL5

5 ft 1/0-Gauge EnvyFlex True Spec Oxygen-Free Copper Power and Ground Wire (Blue)

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5 ft 1/0-Gauge EnvyFlex True Spec Oxygen-Free Copper Power and Ground Wire (Blue)

• 5 feet 1/0 gauge Power and Ground Wire
• Silver-tinned OFC (100% Oxygen-Free Copper) material
• Color: Blue

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Belva 1.0 Farad Capacitor

1.0 Farad Capacitor with Digital Red Display

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1.0 Farad Capacitor with Digital Red Display

• 1.0 Farad Power Capacitor
• Perfect for Systems up to 1000 Watts
• Audible Warning
• Red Voltage Display
• Mounting Brackets Included

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• 1.0 Farad Power Capacitor
• Perfect for Systems up to 1000 Watts
• Audible Warning
• Red Voltage Display
• Mounting Brackets Included

PAC AVS21

Two-Way Audio/Video RCA Switcher

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Two-Way Audio/Video RCA Switcher

• Switchable Positive or Negative Trigger
• Slim and Compact Design
• Plug and Play Connection

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List price $149.00
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• Switchable Positive or Negative Trigger
• Slim and Compact Design
• Plug and Play Connection

Tru Spec Dual 10" (1459UN)

Empty Dual 10" Vented Prefabricated Enclosure

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Empty Dual 10" Vented Prefabricated Enclosure

• 10" Dual Ported Subwoofer Enclosure
• 3/4" Medium Density Fiberboard (MDF) construction
• Total box volume: 2 cubic feet
• Compatible for Sundown SA10V2 and similar subwoofers (Sold separately)

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AudioControl SPK-10S4

700W RMS 10" Spike Series Single 4-ohm High-Performance Car Subwoofer

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700W RMS 10" Spike Series Single 4-ohm High-Performance Car Subwoofer

• RMS Power: 700 watts
• Impedance: Single 4 ohm
• Paper Fiber with Mica Coating Cone
• Rubber Surround
• Mount depth: 5.32"
• Sensitivity: 83.7199 dB

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List price $229.00
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    FAQ for Universal-Fit Audio & Electronics in 1978 630CSi

    Q: Can I upgrade or change the Universal-Fit Audio & Electronics in 1978 BMW 630CSi?

    A: Yes this page includes all the best Universal-Fit Audio & Electronics that work in your 630CSi.

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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.