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2003 BMW M3

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 2003 BMW M3

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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MTX Audio RTP8A

360W Peak (120W RMS) Loaded Single 8" Vented Enclosure

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360W Peak (120W RMS) Loaded Single 8" Vented Enclosure

• 8" Amplified Loaded Subwoofer System
• 120 watts RMS (360 watts Peak)
• Built-In amplifier
• Variable bass boost
• Speaker-Level Inputs
• EBC wired remote bass level control

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8
List price $219.95
-9% $199.95

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Only 3 Left!

• 8" Amplified Loaded Subwoofer System
• 120 watts RMS (360 watts Peak)
• Built-In amplifier
• Variable bass boost
• Speaker-Level Inputs
• EBC wired remote bass level control

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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5
List price $299.99
-38% $184.99

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NVX - Worth the Envy - Direct to Consumer Car Audio
Limited time!

Deaf Bonce Apocalypse ATOM-500.2 PRO

500W RMS Class D Apocalypse Atom Pro Series 2-Channel Car Amplifier

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500W RMS Class D Apocalypse Atom Pro Series 2-Channel Car Amplifier

• 231 watts x 2 channel @ 4 ohm
• 390 watts x 2 channel @ 2 ohm
• 500 watts x 2 channel @ 1 ohm
• Bridged: 780 watts x 1 channel @ 4 ohm
• 1000 watts @ 2 ohm
• Total RMS Power: 500 watts
• Class D 1 ohm Stable 2-Channel-Channel Amplifier

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$189.90

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NVX XAPK4 + XIV25 (XKIT42 Sub)

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Crimestopper SP-302

2-Way Keyless Entry Car Alarm System with (1) 3000 ft Range 5-Button LCD Transmitter

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2-Way Keyless Entry Car Alarm System with (1) 3000 ft Range 5-Button LCD Transmitter

• 2-Way Paging Remote Car Starter
• 5-Button LCD Transmitter
• 3000 feet of range (0.56 miles)
• Full high speed 2-way data to data

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List price $199.95
-50% $99.99

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• 2-Way Paging Remote Car Starter
• 5-Button LCD Transmitter
• 3000 feet of range (0.56 miles)
• Full high speed 2-way data to data

NVX NDA11005

2200W Peak (1100W RMS) Class D N-Series 5-Channel Car Amplifier with Bass Remote

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2200W Peak (1100W RMS) Class D N-Series 5-Channel Car Amplifier with Bass Remote

• 100 watts x 4 channel + 315 watts x 1 channel @ 4 ohm
• 150 watts x 4 channel + 500 watts x 1 channel @ 2 ohm
• Bridged: 300 watts x 2 channel @ 4 ohm + 500 watts x 1 channel @ 2 ohm
• Total RMS Power: 1100 watts
• Class D 2 ohm Stable 5-Channel Amplifier

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-20% $259.99

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Available Offers (3) for NVX NDA11005
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List price $323.99
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$194.99 with coupon | Price details
2026-06-28 23:59:00
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2026-07-27 11:08:20
Used from: $150.49

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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33
List price $60.00
-17% $49.95

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NVX VBTERM2

Round Push Style Outer Design Terminal Cups With Chrome-Plated Contacts

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Round Push Style Outer Design Terminal Cups With Chrome-Plated Contacts

• Universal Round Chrome-plated Terminal Cup for Speaker & Subwoofer boxes
• Chrome-plated contacts for optimal signal transfer
• Screw binding posts for a tight secure connection
• Positive (Red) and negative (Black) indicators to ensure proper wiring
• Easy to install and use

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3
List price $9.99
-50% $4.99

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• Universal Round Chrome-plated Terminal Cup for Speaker & Subwoofer boxes
• Chrome-plated contacts for optimal signal transfer
• Screw binding posts for a tight secure connection
• Positive (Red) and negative (Black) indicators to ensure proper wiring
• Easy to install and use

Install Bay IBPS75

75 AMP 12V Power Supply

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75 AMP 12V Power Supply

• 75 Amp Power Supply
• Built-In 4 Stage Smart Charger
• Overtemp Protection
• Deck Mounted Converter
• Max Output: 1065 Watts

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List price $704.99
-10% $633.99

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• 75 Amp Power Supply
• Built-In 4 Stage Smart Charger
• Overtemp Protection
• Deck Mounted Converter
• Max Output: 1065 Watts

Kicker 49ST3TRK (ST3TW)

1" Bullet Tweeter Recone Kit for Kicker ST 1" Bullet Tweeter

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1" Bullet Tweeter Recone Kit for Kicker ST 1" Bullet Tweeter

• Aluminum diaphragm recone kit
• Designed for Kicker ST3TW bullet tweeter
• Field replaceable - no glue required.

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-33% $19.99

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• Aluminum diaphragm recone kit
• Designed for Kicker ST3TW bullet tweeter
• Field replaceable - no glue required.

Cobra CPIALCDG1

Remote Controller with Fast Charge USB and LCD Display for Select Cobra Inverters

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Remote Controller with Fast Charge USB and LCD Display for Select Cobra Inverters

• Remote Controller with Fast Charge USB for inverters
• Built-in bright blue backlit LCD text display
• Compatible with select Cobra inverters
• Features 4 mounting options
• Mounting hardware included

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$69.95

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Ships in 10-14 days

• Remote Controller with Fast Charge USB for inverters
• Built-in bright blue backlit LCD text display
• Compatible with select Cobra inverters
• Features 4 mounting options
• Mounting hardware included

Limited time!

Memphis SRX1240

500W Peak (250W RMS) 12" Street Reference Series Single 4-ohm Car Subwoofer

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500W Peak (250W RMS) 12" Street Reference Series Single 4-ohm Car Subwoofer

• Peak Power: 500 watts
• RMS Power: 250 watts
• Impedance: Single 4 ohm
• Polypropylene Cone
• Rubber Surround
• Mount depth: 4.92"
• Sensitivity: 85 dB

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List price $139.95
Save $59.96
-43% $79.99

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Belva BATENT2

Dual Knob Dual Surface Mount Housing Pod for use with BAWPL, BA2USB, BAVTM

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Dual Knob Dual Surface Mount Housing Pod for use with BAWPL, BA2USB, BAVTM

• Dual Knob Dual Surface Mount Housing Pod
• Mounting Option For use with: BAWPL, BA2USB, BAVTM
• Color: Black

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List price $4.99
-60% $1.99

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• Dual Knob Dual Surface Mount Housing Pod
• Mounting Option For use with: BAWPL, BA2USB, BAVTM
• Color: Black

Alpine RUE-4360

Wireless Audio Remote Control for Remote-Ready Alpine Stereos

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Wireless Audio Remote Control for Remote-Ready Alpine Stereos

• Wireless remote control for remote-ready Alpine stereos
• 20 soft push-buttons for variety of control functions
• Siri voice assistant activation on paired iPhone
• Voice recognition mode when paired with other smartphones
• Utilizes IR (Infrared) to send commands wirelessly

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List price $20.00
$19.95

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• Wireless remote control for remote-ready Alpine stereos
• 20 soft push-buttons for variety of control functions
• Siri voice assistant activation on paired iPhone
• Voice recognition mode when paired with other smartphones
• Utilizes IR (Infrared) to send commands wirelessly

Limited time!

NVX NE101P

Single 10" Slot Ported 3/4" MDF Black Carpeted Subwoofer Enclosure – 1.5 Cu. Ft. with Polyfil and NVX Logo

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Single 10" Slot Ported 3/4" MDF Black Carpeted Subwoofer Enclosure – 1.5 Cu. Ft. with Polyfil and NVX Logo

• 10" Single Ported Subwoofer Enclosure
• 3/4" Medium Density Fiberboard (MDF) construction
• Internal box volume: 1.50 cubic feet
• Premium Black Carpet with Black NVX Logo

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39
List price $101.99
-17% $84.99

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MTX Audio TNP212D2

400W RMS Loaded Dual 12" Sealed Enclosure and Monoblock Amplifier

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400W RMS Loaded Dual 12" Sealed Enclosure and Monoblock Amplifier

• 12" Amplified Loaded Subwoofer System
• 400 watts RMS
MTX TN250/1 amplifier included
• Selectable bass boost
• Speaker-level (high-level) inputs (adapter included)
• Wired remote bass level control

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196
List price $399.95
-8% $369.95

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Rockford Fosgate PLC2

Wired Bass Remote Controller for Select 2013-2025 Punch and Power Amplifiers

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Wired Bass Remote Controller for Select 2013-2025 Punch and Power Amplifiers

• Wired Bass Remote for select 2013-2025 Punch and Power amplifiers
• Includes bass knob, cable, mounting clip, mounting screws
• Controls level on rear outputs of 4-channel amplifiers
• Conveniently mount under dash, inside center console or glovebox

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6
$49.99

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• Wired Bass Remote for select 2013-2025 Punch and Power amplifiers
• Includes bass knob, cable, mounting clip, mounting screws
• Controls level on rear outputs of 4-channel amplifiers
• Conveniently mount under dash, inside center console or glovebox

Metra 44-EC144 Antenna Extension

12 ft. (144") Antenna Extension Cable with Impedance Matching Capacitors

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12 ft. (144") Antenna Extension Cable with Impedance Matching Capacitors

• Extension cable perfect when installing an FM modulated multi-disc CD changer, or other FM modulated tuner like a Satellite Radio box
• Also works with hideaway "brain" units from multimedia receivers

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List price $16.99
-41% $9.99

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• Extension cable perfect when installing an FM modulated multi-disc CD changer, or other FM modulated tuner like a Satellite Radio box
• Also works with hideaway "brain" units from multimedia receivers

Limited time!

4 Pack of 80 Amp Nickel-Plated MANL Fuse (Belva BMANL80)

Four fuses per order. High quality 80 Amp MANL Fuses

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Four fuses per order. High quality 80 Amp MANL Fuses

• 80A MANL Fuse (4 Pack)
• Nickel Plated for Better Power Transfer
• Resealable Polybag
• Heavy Duty Construction

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List price $8.99
-56% $3.99

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• 80A MANL Fuse (4 Pack)
• Nickel Plated for Better Power Transfer
• Resealable Polybag
• Heavy Duty Construction

Cerwin Vega VPAS12

600W Peak (250W RMS) Loaded Single 12" Under Seat Powered Subwoofer Enclosure with Passive Radiator

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600W Peak (250W RMS) Loaded Single 12" Under Seat Powered Subwoofer Enclosure with Passive Radiator

• 12" Amplified Loaded Subwoofer System
• 250 watts RMS
• Built-In Class D Amplifier
• Variable Bass Boost
• Speaker-Level Inputs

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List price $395.99
-17% $329.99

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• 12" Amplified Loaded Subwoofer System
• 250 watts RMS
• Built-In Class D Amplifier
• Variable Bass Boost
• Speaker-Level Inputs

Limited time!

Rockford Fosgate RFC10HB 10 Farad Hybrid Capacitor

Hybrid Digital Stiffening Capacitor and Distribution Block

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Hybrid Digital Stiffening Capacitor and Distribution Block

• 10 farad Hybrid Digital Capacitor
• Increases quality of sound
• Increases level of bass
• Platinum plated

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List price $709.99
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• 10 farad Hybrid Digital Capacitor
• Increases quality of sound
• Increases level of bass
• Platinum plated

JL Audio MMC-6

6 ft. MediaMaster remote controller cable

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6 ft. MediaMaster remote controller cable

• Media Master Remote controller cable
• 6-foot Extension Cable

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$34.99

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• Media Master Remote controller cable
• 6-foot Extension Cable

Directed 524CL

524CL Cable Lock Bracket Kit (DEI 524CL)

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524CL Cable Lock Bracket Kit (DEI 524CL)

• Allows aftermarket actuators to work with cable door lock systems
• Each kit operates two doors
• Does not include actuators
• Includes module, wiring harness and installation guide

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-55% $14.99

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• Allows aftermarket actuators to work with cable door lock systems
• Each kit operates two doors
• Does not include actuators
• Includes module, wiring harness and installation guide

Limited time!

NVX VAD22008 v2 (VAD22008v2)

2200W RMS Class D V-Series 8-Channel Car, Marine and Powersports Amplifier

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2200W RMS Class D V-Series 8-Channel Car, Marine and Powersports Amplifier

• 150 watts x 6 channel + 250 watts x 2 channels @ 4 ohm
• 225 watts x 6 channel + 400 watts x 2 channels @ 2 ohm
• Bridged: 450 watts x 3 channel + 850 watts x 1 channel @ 4 ohm
• Total RMS Power: 2200 watts
• Class D 2 ohm Stable 8-Channel Amplifier

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List price $539.99
-26% $399.99

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Used from: $449.99

• 150 watts x 6 channel + 250 watts x 2 channels @ 4 ohm
• 225 watts x 6 channel + 400 watts x 2 channels @ 2 ohm
• Bridged: 450 watts x 3 channel + 850 watts x 1 channel @ 4 ohm
• Total RMS Power: 2200 watts
• Class D 2 ohm Stable 8-Channel Amplifier

Limited time!

Pioneer TS-D10LS4

1300W Peak (350W RMS) 10" D-Series Single 4-ohm Shallow Car Subwoofer

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1300W Peak (350W RMS) 10" D-Series Single 4-ohm Shallow Car Subwoofer

• Peak Power: 1300 watts
• RMS Power: 350 watts
• Impedance: Single 4 ohm
• IMPP - Aramid Fiber and Carbon Fiber Cone
• Rubber Surround
• Mount depth: 3-1/4"
• Sensitivity: 76 dB

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List price $260.00
Save $107.00
-41% $153.00

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DS18 NXL-T1

480W Peak (240W RMS) 3.8" Hydro Series Pro Audio 4-ohm Super Bullet Marine Tweeters

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480W Peak (240W RMS) 3.8" Hydro Series Pro Audio 4-ohm Super Bullet Marine Tweeters

• 3.8" Hydro Series Water Resistant Pro Audio Bullet Tweeters
• 240 watts Peak Each
• 120 watts RMS Each
• 4 ohm Impedance

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$77.95

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• 3.8" Hydro Series Water Resistant Pro Audio Bullet Tweeters
• 240 watts Peak Each
• 120 watts RMS Each
• 4 ohm Impedance

Limited time!

NVX NE151P

Single 15" Slot Ported 3/4" MDF Black Carpeted Subwoofer Enclosure – 3.50 Cu. Ft. with Polyfil and NVX Logo

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Single 15" Slot Ported 3/4" MDF Black Carpeted Subwoofer Enclosure – 3.50 Cu. Ft. with Polyfil and NVX Logo

• 15" Single Ported Subwoofer Enclosure
• 3/4" Medium Density Fiberboard (MDF) construction
• Internal box volume: 3.50 cubic feet
• Premium Black Carpet with Black NVX Logo

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List price $179.99
-17% $149.99

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NVX VPRO35TW

240W Peak (120W RMS) 3.5" V-Series Pro Audio Super Slim Bullet Tweeters

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240W Peak (120W RMS) 3.5" V-Series Pro Audio Super Slim Bullet Tweeters

• 3.5" Pro Audio Bullet Tweeters
• 240 watts Peak Each
• 120 watts RMS Each
• 4 ohm Impedance

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List price $47.99
-38% $29.99

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Rockford Fosgate Prime R2 R2-500X4

500W RMS Class D Prime Series 4 Channel Car Amplifier

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500W RMS Class D Prime Series 4 Channel Car Amplifier

• 75 watts x 4 channel @ 4 ohm
• 125 watts x 4 channel @ 2 ohm
• Bridged: 250 watts x 2 channel @ 4 ohm
• Total RMS Power: 500 watts
• Class D 2 ohm Stable 4-Channel Amplifier

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NVX XIV65

16.4 ft (5 meter) 6-Channel V-Series RCA Audio Interconnect Cable

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16.4 ft (5 meter) 6-Channel V-Series RCA Audio Interconnect Cable

• Shielded noise-rejecting Twisted-pair construction
• Heavy gauge OFC conductors ensure superior sound quality
• Split-tip Silver-Plated ends offer best in class signal transfer
• Molded ends equipped with colored channel identifiers

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• Shielded noise-rejecting Twisted-pair construction
• Heavy gauge OFC conductors ensure superior sound quality
• Split-tip Silver-Plated ends offer best in class signal transfer
• Molded ends equipped with colored channel identifiers

Stinger SGW9920

20 ft. 18 Gauge 9 Conductor Speed Speaker Wire

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20 ft. 18 Gauge 9 Conductor Speed Speaker Wire

• 20 ft. 18 Gauge 9 Conductor Speed Speaker Wire
• Great for a 4-channel amplifier setup
• EIA standard easy color-coded copper wires
• Easy and fast installations
• Color: Blue

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List price $69.00
-41% $41.00

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• 20 ft. 18 Gauge 9 Conductor Speed Speaker Wire
• Great for a 4-channel amplifier setup
• EIA standard easy color-coded copper wires
• Easy and fast installations
• Color: Blue

Metra IBR146

SAE Top Post Battery Terminals (Sold as Pair)

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SAE Top Post Battery Terminals (Sold as Pair)

• SAE Top Post Battery Terminals
• Pair of positive or negative battery clamps
• Top-mounted or side-mounted options
• Machined brass construction with satin chrome finish

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List price $53.99
-11% $47.99

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• SAE Top Post Battery Terminals
• Pair of positive or negative battery clamps
• Top-mounted or side-mounted options
• Machined brass construction with satin chrome finish

BOYO Vision VTSW4

4-Channel Video Switcher with Trigger Wires

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4-Channel Video Switcher with Trigger Wires

• Video switch with trigger wires
• 4 camera input and 1 video output
• 4 trigger wires for each camera

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List price $71.00
-10% $63.90

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• Video switch with trigger wires
• 4 camera input and 1 video output
• 4 trigger wires for each camera

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2 Pack of 150 Amp Nickel-Plated ANL Fuse (Belva BANL150)

Two fuses per order. High quality 150 Amp ANL Fuses

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Two fuses per order. High quality 150 Amp ANL Fuses

• 150A ANL Fuse
• 2 Pack
• Nickel Plated
• Resealable Polybag
• Heavy Duty Construction

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List price $7.99
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• 150A ANL Fuse
• 2 Pack
• Nickel Plated
• Resealable Polybag
• Heavy Duty Construction

Stinger SwitchHub (SPXSH440)

100A 4-Channel High Current Solid State Relay System

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100A 4-Channel High Current Solid State Relay System

• 4-Channel SwitchHub Solid-State Relay
• Single 40-amp output and triple 20-amp outputs
• 100-amp combined continuous capacity
• Outputs can be triggered independently

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• 4-Channel SwitchHub Solid-State Relay
• Single 40-amp output and triple 20-amp outputs
• 100-amp combined continuous capacity
• Outputs can be triggered independently

NVX VAD10001 v2 (VAD10001v2)

2000W Peak (1000W RMS) Class D Monoblock Car/Marine/Powersports Amplifier with Bass Remote (Marine Certified)

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2000W Peak (1000W RMS) Class D Monoblock Car/Marine/Powersports Amplifier with Bass Remote (Marine Certified)

• 420 watts x 1 channel @ 4 ohm
• 760 watts x 1 channel @ 2 ohm
• 1000 watts x 1 channel @ 1 ohm
• Total RMS Power: 1000 watts
• Class D 1 ohm Stable Monoblock Amplifier

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NVX VCW82 Version 3 (VCW82v3)

1300W Peak (650W RMS) 8" VC-Series v3 Dual 2-ohm Car Subwoofer

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1300W Peak (650W RMS) 8" VC-Series v3 Dual 2-ohm Car Subwoofer

• Peak Power: 1300 watts
• RMS Power: 650 watts
• Impedance: Dual 2 ohm
• Carbon Fiber Enhanced Non-Pressed Paper Cone
• High Roll Foam Surround with black nylon stitching
• Mount depth: 5.31"
• Sensitivity: 83 dB (1W/1m)

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Sound Extreme by ECOXGEAR SEI-SEWHP4

4 ft. Extreme LEDCast Lighting Whip and Controller

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4 ft. Extreme LEDCast Lighting Whip and Controller

• Extreme LEDCast Lighting Whip Kit with Controller
• Long range RF remote, and smartphone BLE app
• Create custom lighting presets
• IP66-rated for dirt and moisture resistance
• Optional light control to vehicle's brake, reverse and turn signals

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• Extreme LEDCast Lighting Whip Kit with Controller
• Long range RF remote, and smartphone BLE app
• Create custom lighting presets
• IP66-rated for dirt and moisture resistance
• Optional light control to vehicle's brake, reverse and turn signals

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NVX XTGSP2

Tone Generator and Speaker Polarity Tester

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Tone Generator and Speaker Polarity Tester

• Tone Generator • Speaker Polarity Tester
• Perfect Troubleshooting and Testing
• Output Range of 0-8 Volts
• Includes RCA and Alligator Clips
• 9V Speaker Popper • Auto Shutoff

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• Tone Generator • Speaker Polarity Tester
• Perfect Troubleshooting and Testing
• Output Range of 0-8 Volts
• Includes RCA and Alligator Clips
• 9V Speaker Popper • Auto Shutoff

Stinger SSCap5M

Stinger Select Brushed Aluminum 5 Farad Power Capacitor w/ Digital Display

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Stinger Select Brushed Aluminum 5 Farad Power Capacitor w/ Digital Display

• 5 Farad Digital Capacitor
• Carbon Fiber Design
• 5000 Watt Systems
• Digital Display

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• 5 Farad Digital Capacitor
• Carbon Fiber Design
• 5000 Watt Systems
• Digital Display

Heise RGBW-PT1

5-pin RGBW Hardwire Pigtail Adapter

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5-pin RGBW Hardwire Pigtail Adapter

• 5-pin RGBW Hardwire Pigtail Adapter
• Designed for use with RGBW-CB1 controller (Sold separately)
• Cable Length: 6 inches

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• 5-pin RGBW Hardwire Pigtail Adapter
• Designed for use with RGBW-CB1 controller (Sold separately)
• Cable Length: 6 inches

Kicker GL712 (08GL712)

Square Grille for Kicker 12" Solo-Baric L7 Subwoofers

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Square Grille for Kicker 12" Solo-Baric L7 Subwoofers

• 12" Cast Aluminum Subwoofer Grille
• Enhances the Look of your 08 Series Kicker Solo-Baric Subwoofers
• Protects the Sub from Damage
• Gives your Woofer an Attractive Look

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• 12" Cast Aluminum Subwoofer Grille
• Enhances the Look of your 08 Series Kicker Solo-Baric Subwoofers
• Protects the Sub from Damage
• Gives your Woofer an Attractive Look

Limitless Lithium 25A12V-CRG

25A 12V Stock Voltage Battery Charger

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25A 12V Stock Voltage Battery Charger

• Stock Voltage Battery Charger
• Recommended for Nano, Retro Pro and No-Li batteries
• Designed for charging 15 volts batteries
• Features LED function display type

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• Stock Voltage Battery Charger
• Recommended for Nano, Retro Pro and No-Li batteries
• Designed for charging 15 volts batteries
• Features LED function display type

Stinger SSCB200

Stinger Select 200 Amp Circuit Breaker

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Stinger Select 200 Amp Circuit Breaker

• High Current Transfer
• Stinger Select 200 Amp Circuit Breaker
• Manual Trip Reset
• High Current Protection

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• High Current Transfer
• Stinger Select 200 Amp Circuit Breaker
• Manual Trip Reset
• High Current Protection

NVX STBXC32

32 sq. ft. Black Subwoofer Box/Trunk Liner Carpet with Adhesive Backing

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32 sq. ft. Black Subwoofer Box/Trunk Liner Carpet with Adhesive Backing

• Extremely durable fabric that will stand up to heavy usage
• Adhesive backing allows for an easier installation process
• Easy to cut, fit, and mold to desired shape or size
• Stain resistant
• Color: Black
• Carpet Thickness: 1/8 inch

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• Extremely durable fabric that will stand up to heavy usage
• Adhesive backing allows for an easier installation process
• Easy to cut, fit, and mold to desired shape or size
• Stain resistant
• Color: Black
• Carpet Thickness: 1/8 inch

JL Audio JD1000/1

1000W RMS Class D JD Series Monoblock Car Amplifier

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1000W RMS Class D JD Series Monoblock Car Amplifier

• 600 watts x 1 channel @ 4 ohm
• 1000 watts x 1 channel @ 2 ohm
• Total RMS Power: 1000 watts
• Class D 2 ohm Stable Monoblock Amplifier

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MTX 5510-44

800W Peak (400W RMS) 10" 55 Series Dual 4-ohm Car Subwoofer

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800W Peak (400W RMS) 10" 55 Series Dual 4-ohm Car Subwoofer

• Peak Power: 800 watts
• RMS Power: 400 watts
• Impedance: Dual 4 ohm
• Polypropylene Cone
• Rubber Surround
• Mount depth: 5.625"
• Sensitivity: 83.5 dB

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JL Audio XB-SPTM Side-Post Battery Terminal Adaptors

1 Pair Side-Post to Top-Mount Battery Terminal Adapters

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1 Pair Side-Post to Top-Mount Battery Terminal Adapters

• 1 Pair (1 negative, 1 positive) of. Side-Post to Top-Mount Battery Terminal Adapters
• Forged and machined brass construction
• Marine-grade, anti-corrosive Stannum plating

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• 1 Pair (1 negative, 1 positive) of. Side-Post to Top-Mount Battery Terminal Adapters
• Forged and machined brass construction
• Marine-grade, anti-corrosive Stannum plating

Cobra PRO 3000W (CPI3000W)

6000W Peak (3000W RMS) DC to AC Professional Grade Power Inverter with USB Fast Charging

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6000W Peak (3000W RMS) DC to AC Professional Grade Power Inverter with USB Fast Charging

• Modified Sine Professional Grade Power Inverter
• 3000 watts RMS, 6000 watts Peak
• Includes direct to battery cables
• LED digital display indicator
• Rugged industrial design
• Remote controller LCD included

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• Modified Sine Professional Grade Power Inverter
• 3000 watts RMS, 6000 watts Peak
• Includes direct to battery cables
• LED digital display indicator
• Rugged industrial design
• Remote controller LCD included

PAC LC1

Universal Wired Bass Remote Controller

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Universal Wired Bass Remote Controller

• Universal Wired Bass Remote
• Multiple mounting options
• Features stereo RCA input and output
• No additional wiring needed for installation

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• Universal Wired Bass Remote
• Multiple mounting options
• Features stereo RCA input and output
• No additional wiring needed for installation

Energie PR4800

12V 110Ah Absorbent Glass Mat (AGM) Car Battery

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12V 110Ah Absorbent Glass Mat (AGM) Car Battery

• 12-volt Absorbent Glass Mat Car Audio Battery
• Sealed Absorbent Glass Mat (AGM) design
• Perfect for 4800W car audio stereo systems
• Left positive terminal

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• 12-volt Absorbent Glass Mat Car Audio Battery
• Sealed Absorbent Glass Mat (AGM) design
• Perfect for 4800W car audio stereo systems
• Left positive terminal

Crimestopper SP-402

1-Way Remote Start Keyless Entry Car Alarm System with (2) 1500 ft Range 5-Button LED Transmitters

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1-Way Remote Start Keyless Entry Car Alarm System with (2) 1500 ft Range 5-Button LED Transmitters

• 1-Way Remote Car Starter
• 5-Button LED Transmitter
• 1500 feet of range (0.28 miles)
• Dual 2-way data port
• Multi-vehicle functionality

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• 1-Way Remote Car Starter
• 5-Button LED Transmitter
• 1500 feet of range (0.28 miles)
• Dual 2-way data port
• Multi-vehicle functionality

JBL Stage 122 (JBLSUBST122AM)

1000W Peak (250W RMS) 12" Stage Series Single 4-ohm Car Subwoofer

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1000W Peak (250W RMS) 12" Stage Series Single 4-ohm Car Subwoofer

• Peak Power: 1000 watts
• RMS Power: 250 watts
• Impedance: Single 4 ohm
• Polypropylene Cone
• Rubber Surround
• Mount depth: 6"
• Sensitivity: 91 dB

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Belva BRT038

0/1 Gauge Ring Terminals, 3/8" Opening with Nickel Plated Brass - 5 Pieces (3 Red & 2 Black)

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0/1 Gauge Ring Terminals, 3/8" Opening with Nickel Plated Brass - 5 Pieces (3 Red & 2 Black)

• Ring Terminals
• 3/8" Opening
• 0/1 Gauge
• 3 Red & 2 Black • Nickel Plated
• Resealable Polybag

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• Ring Terminals
• 3/8" Opening
• 0/1 Gauge
• 3 Red & 2 Black • Nickel Plated
• Resealable Polybag

JL Audio XD-MINIRCA-6

6 ft (1.83 m) 2-Channel 3.5 mm Mini to RCA Premium Audio Interconnect

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6 ft (1.83 m) 2-Channel 3.5 mm Mini to RCA Premium Audio Interconnect

• Fits all standard Mini 3.5 mm (1/8 in.) jacks, including recessed designs
• Left and Right Channel Male RCA Plugs
• Pure OFC Copper Conductors with Polyethylene Dielectrics
• Machined Brass Connector Elements

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• Fits all standard Mini 3.5 mm (1/8 in.) jacks, including recessed designs
• Left and Right Channel Male RCA Plugs
• Pure OFC Copper Conductors with Polyethylene Dielectrics
• Machined Brass Connector Elements

NVX XKIT84

Full Spec 8 Gauge 100% (OFC) Oxygen Free Copper Complete 4-Channel Amplifier Wiring Kit with RCA for Amplifiers up to 800 Watts

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Full Spec 8 Gauge 100% (OFC) Oxygen Free Copper Complete 4-Channel Amplifier Wiring Kit with RCA for Amplifiers up to 800 Watts

• Complete 8 Gauge Amplifier Installation Kit
• For Amplifiers Up To 800 Watts RMS
• 100% (OFC) Oxygen Free Copper
• Dual Twisted Pair 4-Channel RCA Cable
• Tinned conductors for corrosion resistance
• Pre-terminated seamless power and ground ring terminals
• ANL/Mini-ANL Fuse Holder with 60 amp fuse
• CEA-2015 and BC5W2 Compliant

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JL Audio XD-AICDO-12

12-Foot Digital Optical Audio Cable with Toslink Connectors

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12-Foot Digital Optical Audio Cable with Toslink Connectors

•Digital Optical Audio Connection Cable
• Digital Optical Audio Connection Cable
• Built-in Toslink Connectors
• Length: 12 feet

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•Digital Optical Audio Connection Cable
• Digital Optical Audio Connection Cable
• Built-in Toslink Connectors
• Length: 12 feet

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Belva BCCAP22 (CC2218)

22/18 Gauge Nylon Crimp Cap 100 Pack

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22/18 Gauge Nylon Crimp Cap 100 Pack

• 22/18 Gauge Nylon Crimp Cap
• Heat shrinkable Design
• Makes Crimping Wires Fast and Easy
• Offers a Solid Connection of Wires
• Gauge: 22/18
• Color: Clear
• Count: 100

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• 22/18 Gauge Nylon Crimp Cap
• Heat shrinkable Design
• Makes Crimping Wires Fast and Easy
• Offers a Solid Connection of Wires
• Gauge: 22/18
• Color: Clear
• Count: 100

AudioControl EPICENTER MICRO PRO

2-Channel Digital Bass Processor and Line Out Converter with ACR-4 Bass Remote

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2-Channel Digital Bass Processor and Line Out Converter with ACR-4 Bass Remote

• Digital Bass Restoration Processor
AudioControl ACR-4 bass remote included
• Speaker and line-level (RCA) inputs
• ParaBass equalization circuitry for bass shaping

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• Digital Bass Restoration Processor
AudioControl ACR-4 bass remote included
• Speaker and line-level (RCA) inputs
• ParaBass equalization circuitry for bass shaping

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XS Power XP950

950W 35 Ah Absorbent Glass Mat (AGM) Secondary Battery

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950W 35 Ah Absorbent Glass Mat (AGM) Secondary Battery

• 12-volt Absorbent Glass Mat (AGM) Secondary Battery
• Sealed Absorbent Glass Mat (AGM) design
• Perfect for 950W car audio stereo systems
• Compatible with most vehicle applications

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• 12-volt Absorbent Glass Mat (AGM) Secondary Battery
• Sealed Absorbent Glass Mat (AGM) design
• Perfect for 950W car audio stereo systems
• Compatible with most vehicle applications

NVX XWS1250

50 ft 12-Gauge EnvyFlex 100% Oxygen Free Copper Speaker Wire (Blue/Gray)

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50 ft 12-Gauge EnvyFlex 100% Oxygen Free Copper Speaker Wire (Blue/Gray)

• True Spec 12 gauge EnvyFlex Speaker Wire
• Silver-tinned OFC (100% Oxygen-Free Copper) material
• Color: Blue and Gray
• Translucent EnvyFlex flexible multi-strand construction

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• True Spec 12 gauge EnvyFlex Speaker Wire
• Silver-tinned OFC (100% Oxygen-Free Copper) material
• Color: Blue and Gray
• Translucent EnvyFlex flexible multi-strand construction

NVX - Worth the Envy - Direct to Consumer Car Audio

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    FAQ for Universal-Fit Audio & Electronics in 2003 M3

    Q: Can I upgrade or change the Universal-Fit Audio & Electronics in 2003 BMW M3?

    A: Yes this page includes all the best Universal-Fit Audio & Electronics that work in your M3.

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    Whether you're replacing a factory stereo or upgrading your entire audio system, the Fit Finder eliminates uncertainty.