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2015 BMW Z4

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 2015 BMW Z4

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 MMC-2Y

2-way Y-splitter for MediaMaster remote controllers

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2-way Y-splitter for MediaMaster remote controllers

• Use to connect multiple MediaMaster Remote Controllers
• 2-way Y-splitter

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$34.99

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• Use to connect multiple MediaMaster Remote Controllers
• 2-way Y-splitter

Rockford Fosgate P2P3G-12

Mesh Grille for Rockford Fosgate 12" Punch P2 and P3 Subwoofers

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Mesh Grille for Rockford Fosgate 12" Punch P2 and P3 Subwoofers

• 12" Subwoofer Grille for Rockford Fosgate P2,P3, and P3 Shallow
• Black Gloss Finish
• Mesh Design for Maximum Protection

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$34.99

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• 12" Subwoofer Grille for Rockford Fosgate P2,P3, and P3 Shallow
• Black Gloss Finish
• Mesh Design for Maximum Protection

Wet Sounds ADP TC3-S

1-7/8" to 3" Stainless Steel Swivel Clamp for REV and ICON Series Tower Speakers

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1-7/8" to 3" Stainless Steel Swivel Clamp for REV and ICON Series Tower Speakers

• High-polished stainless steel tower speaker swivel clamps
• Designed to fit tube diameters of 1-7/8" up to 3"
• Fits REV8, REV10, and ICON8 tower speakers
• Includes mounting bolts

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$579.99

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• High-polished stainless steel tower speaker swivel clamps
• Designed to fit tube diameters of 1-7/8" up to 3"
• Fits REV8, REV10, and ICON8 tower speakers
• Includes mounting bolts

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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Rockford Fosgate PP4-X

250W Peak (125W RMS) 4-Ohm Passive Crossover

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250W Peak (125W RMS) 4-Ohm Passive Crossover

• Passive Crossover
• 250W Max and 125W RMS
• Dual Woofer Outputs
• Includes Mounting Hardware
• Designed for Punch Pro Midrange Drivers and Tweeters

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• Passive Crossover
• 250W Max and 125W RMS
• Dual Woofer Outputs
• Includes Mounting Hardware
• Designed for Punch Pro Midrange Drivers and Tweeters

Kicker CXARC (46CXARCT)

Wired Bass Remote Controller for CX Series Amplifiers

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Wired Bass Remote Controller for CX Series Amplifiers

• Wired bass remote controller for Kicker CX series amplifiers
• Works with DX or PX series amplifiers with remote bass jack
• Includes 19.5 ft. cable and mounting accessories

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$39.99

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• Wired bass remote controller for Kicker CX series amplifiers
• Works with DX or PX series amplifiers with remote bass jack
• Includes 19.5 ft. cable and mounting accessories

Limited time!

NVX XRTC4

4 Gauge Solid Copper Ring Terminals with Shrink Tubing - 4 Pack

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4 Gauge Solid Copper Ring Terminals with Shrink Tubing - 4 Pack

• 4 Gauge Solid Copper Ring Terminals
• Shrink Tubing
• Pure Copper with Nickel plating for optimal Current transfer
• Color: Black
• Count: 4

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• 4 Gauge Solid Copper Ring Terminals
• Shrink Tubing
• Pure Copper with Nickel plating for optimal Current transfer
• Color: Black
• Count: 4

Kicker 49L7X101RK

10" SoloX Series Dual 1-ohm Recone Kit for 49L7X101 Subwoofer

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10" SoloX Series Dual 1-ohm Recone Kit for 49L7X101 Subwoofer

• 10" SoloX Series Dual 1-ohm Recone Kit
• Pre-assembled cone, surround, and voice coil
• Impedance: Dual 1-ohm
• Alignment shims are included for installation

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• 10" SoloX Series Dual 1-ohm Recone Kit
• Pre-assembled cone, surround, and voice coil
• Impedance: Dual 1-ohm
• Alignment shims are included for installation

Stinger SPT522

Gauge Reducer, 4 Gauge Input to 8 Gauge Pin

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Gauge Reducer, 4 Gauge Input to 8 Gauge Pin

• Gauge Reducer Adapter
• 4 Gauge Input to 8 Gauge Pin
• Deep Wire Recesses
• Ultimate Power Delivery
• Corrosion Resistant Chrome Plating

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• Gauge Reducer Adapter
• 4 Gauge Input to 8 Gauge Pin
• Deep Wire Recesses
• Ultimate Power Delivery
• Corrosion Resistant Chrome Plating

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NVX XSBI200

200-Amp Microprocessor-Controlled Dual Sensing Smart Battery Isolator and Relay (Handles up to 300-Amp Surge)

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200-Amp Microprocessor-Controlled Dual Sensing Smart Battery Isolator and Relay (Handles up to 300-Amp Surge)

• 200-Amp continuous / 300-Amp surge
• Ideal for car stereo systems and mobile electronics
• Prevents the main starter battery from draining
• 10V to 16.5V DC operating range

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• 200-Amp continuous / 300-Amp surge
• Ideal for car stereo systems and mobile electronics
• Prevents the main starter battery from draining
• 10V to 16.5V DC operating range

NVX XFDBU2

2 Position Fused Distribution Block with One 0/1 Gauge Input and two 4/8 Gauge Outputs

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2 Position Fused Distribution Block with One 0/1 Gauge Input and two 4/8 Gauge Outputs

• One 1/0 Gauge Input
• Two 4 Gauge or 8 Gauge Output
• Satin Chrome Plated Terminals
• All Brass Hardware

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• One 1/0 Gauge Input
• Two 4 Gauge or 8 Gauge Output
• Satin Chrome Plated Terminals
• All Brass Hardware

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
-9% $209.00

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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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2026-07-12 23:59:00
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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

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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-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

SMD CC-1 Crossover Calibrator

Crossover Calibrator (CC1)

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Crossover Calibrator (CC1)

• Crossover Calibrator
• Also Matches The Gain Settings On Amp(s)
• Circuitry Is Digital Microprocessor Controlled
• Crossover -3dB Point Accuracy +/- 0.25dB
• Auto-Shut Off Timer

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• Crossover Calibrator
• Also Matches The Gain Settings On Amp(s)
• Circuitry Is Digital Microprocessor Controlled
• Crossover -3dB Point Accuracy +/- 0.25dB
• Auto-Shut Off Timer

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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$79.95

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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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$229.00

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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

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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• 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 XLOC66X

6 Input / 6 Output Line Output Converter with Impedance Matching and Remote Level Control

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6 Input / 6 Output Line Output Converter with Impedance Matching and Remote Level Control

• 6-Channel Speaker Level Inputs
• 6-Channel RCA Outputs
• Handles up to 40V (400 watts RMS)
• Provides up to 9.5 Volts of output
• Auto turn-on via DC offset or Audio detection 
• Load selection switch (20, 60, or 20K ohm)
• Wired remote bass level control included
• LED Clip indicator

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• 6-Channel Speaker Level Inputs
• 6-Channel RCA Outputs
• Handles up to 40V (400 watts RMS)
• Provides up to 9.5 Volts of output
• Auto turn-on via DC offset or Audio detection 
• Load selection switch (20, 60, or 20K ohm)
• Wired remote bass level control included
• LED Clip indicator

Limited time!

Kicker 47QL7R122

4800W Peak (2400W RMS) Loaded Quad 12" Vented Enclosure

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4800W Peak (2400W RMS) Loaded Quad 12" Vented Enclosure

• Ported enclosure with 4 12" Solo-Baric L7R Series Subwoofer
• 2400 watts RMS (4800 watts Peak)
• Final Impedance: 2-ohm
• Dimensions: 28" L x 20-1/4" H x 35-7/8" W

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Cobra RAD 480i

Radar and Laser Detector with Bluetooth and App Control

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Radar and Laser Detector with Bluetooth and App Control

• Multiple Band Radar and Laser Detector
• Long range detection
• 2nd generation false alarm filtering
• Built-in Digital Signal Processing (DSP)
• Sensitivity (SEN) button
• Defender database

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• Multiple Band Radar and Laser Detector
• Long range detection
• 2nd generation false alarm filtering
• Built-in Digital Signal Processing (DSP)
• Sensitivity (SEN) button
• Defender database

AudioControl SPK-10S2

700W Peak (500W RMS) 10" Spike Series Single 2-ohm High-Performance Car Subwoofer

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700W Peak (500W RMS) 10" Spike Series Single 2-ohm High-Performance Car Subwoofer

• Peak Power: 700 watts
• RMS Power: 500 watts
• Impedance: Single 2 ohm
• Paper Fiber with Mica Coating Cone
• Rubber Surround
• Mount depth: 5.32"
• Sensitivity: 82.2488 dB

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Heise HE-DRC22

120W Universal 22” Dual Row Curved 40 LED Light Bar

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120W Universal 22” Dual Row Curved 40 LED Light Bar

• Universal 22" Double Row LED Light Bar
• Water-resistant IPX-67 Rating
• Flood/Spot Combo Beam Pattern
• Integrated epoxy-encapsulated electronics
• Includes brackets and mounting hardware

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• Universal 22" Double Row LED Light Bar
• Water-resistant IPX-67 Rating
• Flood/Spot Combo Beam Pattern
• Integrated epoxy-encapsulated electronics
• Includes brackets and mounting hardware

Axxess AX-PS

Universal Programmable Amplifier Turn On/Off Timer

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Universal Programmable Amplifier Turn On/Off Timer

• Universal amplifier turn on/off timer
• Easy 4 wire installation
• Color coded wires

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• Universal amplifier turn on/off timer
• Easy 4 wire installation
• Color coded wires

BOYO Vision VTSR100

Rear Parking Assist System with 4 Parking Sensors (Silver)

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Rear Parking Assist System with 4 Parking Sensors (Silver)

• Rear parking sensors with waterproof connectors
• Audible buzzer with volume adjustment
• Total Number of Sensors: 4
• Detection Distance: 1 feet to 5.9 feet

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• Rear parking sensors with waterproof connectors
• Audible buzzer with volume adjustment
• Total Number of Sensors: 4
• Detection Distance: 1 feet to 5.9 feet

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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• 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

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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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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JL Audio JD500/1

500W RMS Class D JD Series Monoblock Car Amplifier

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500W RMS Class D JD Series Monoblock Car Amplifier

• 250 watts x 1 channel @ 4 ohm
• 500 watts x 1 channel @ 2 ohm
• Total RMS Power: 500 watts
• Class D 2 ohm Stable Monoblock Amplifier

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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
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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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Kenwood CA-Y107MR

Y-Adapter Cable For Marine Remotes

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Y-Adapter Cable For Marine Remotes

• 14" Y-Cable • Proprietary 8-Pin Male Connector And Two Proprietary 8-Pin Female Connectors
• Allows you to add two Kenwood KCA-RC107MR Marine Wired Remotes To Your Compatible Kenwood Marine Headunit

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Ships in 10-14 days

• 14" Y-Cable • Proprietary 8-Pin Male Connector And Two Proprietary 8-Pin Female Connectors
• Allows you to add two Kenwood KCA-RC107MR Marine Wired Remotes To Your Compatible Kenwood Marine Headunit

Limited time!

Waterproof 3.5mm Aux Extension Flush Mount Input with Cable for Car, Motorcycle, Boat, ATV/UTV (Belva BAAUX)

Universal Auxiliary Input that gives you a clean install and audio input for your Cell Phone or MP3 Player

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Universal Auxiliary Input that gives you a clean install and audio input for your Cell Phone or MP3 Player

• Waterproof 3.5 mm Flush mount Aux Input
• Extend Existing AUX Input to a Remote Location
• Durable Rubber Cover
• Waterproof for Marine Applications
• For Audio Only

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• Waterproof 3.5 mm Flush mount Aux Input
• Extend Existing AUX Input to a Remote Location
• Durable Rubber Cover
• Waterproof for Marine Applications
• For Audio Only

Kicker KBTR (51KBTR)

All-Weather Powersports Bluetooth Audio Receiver and Controller

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All-Weather Powersports Bluetooth Audio Receiver and Controller

• Powersports Bluetooth Audio Receiver and Controller
• Easily pairs with any Bluetooth audio device
• Compact IP66 water-resistant design
• Compatible with UTV dash double-switch knockouts
• Stereo RCA line-out, remote turn-on, and subwoofer-level adjustments

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• Powersports Bluetooth Audio Receiver and Controller
• Easily pairs with any Bluetooth audio device
• Compact IP66 water-resistant design
• Compatible with UTV dash double-switch knockouts
• Stereo RCA line-out, remote turn-on, and subwoofer-level adjustments

Encore WK-2+ (WK-2-PLUS)

Vehicle Alarm/Remote Start 2-Window Roll-up/down Automation Kit

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Vehicle Alarm/Remote Start 2-Window Roll-up/down Automation Kit

• Universal Vehicle Alarm/Remote Start Power Window Automation Kit
• Automatic Roll-up/down windows from your Alarm/Remote Start controller
• Can be used for sunroof
• Compatible with All Encore Remote Start and Security Systems
• Compatible with All Encore Remote Start and Security Systems

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• Universal Vehicle Alarm/Remote Start Power Window Automation Kit
• Automatic Roll-up/down windows from your Alarm/Remote Start controller
• Can be used for sunroof
• Compatible with All Encore Remote Start and Security Systems
• Compatible with All Encore Remote Start and Security Systems

Escort 0020057-2

Original StickyCup Car Mount for Escort Radar Detectors

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Original StickyCup Car Mount for Escort Radar Detectors

• Original StickyCup silicone suction windshield mount
• Compatible with Escort radar detectors
• Small and reliable mounting suction with strong adhesion
• Easy release tab ensures strong suction to the windshield

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• Original StickyCup silicone suction windshield mount
• Compatible with Escort radar detectors
• Small and reliable mounting suction with strong adhesion
• Easy release tab ensures strong suction to the windshield

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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Available Offers (2) for NVX VAD10001 v2 (VAD10001v2)
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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.

Alpine KTE-S65G

Mesh Grilles for Alpine 6.5" S-Series Speakers

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Mesh Grilles for Alpine 6.5" S-Series Speakers

• Metal Mesh Grill with Alpine logo

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• Metal Mesh Grill with Alpine logo

Metra MPS-RGBC-4

Water-Resistant RGB LED Controller for MPS-RGBWWS4

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Water-Resistant RGB LED Controller for MPS-RGBWWS4

• Water-resistant RGB LED Controller
• Designed in tandem with RGB MPS app
• Select from 10 speeds and 20 modes
• Sync LED to your music via Smartphone Bluetooth feature
• Compatible with MPS-RGBWWS4 (Sold separately)

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    FAQ for Universal-Fit Audio & Electronics in 2015 Z4

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    A: Yes this page includes all the best Universal-Fit Audio & Electronics that work in your Z4.

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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.