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2015 GMC Terrain

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 GMC Terrain

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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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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23
List price $19.00
-47% $9.99

In stock

Only 1 Left!

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

Limited time!

Belva BATENT1

Single Knob Surface Mount Housing for use with BAWPL, BA2USB, BAVTM

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Single Knob Surface Mount Housing for use with BAWPL, BA2USB, BAVTM

• Single Knob Surface Mount Housing Pod
• For use with Belva BAWLK, BA2USB or BAVTM

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1
List price $3.99
-50% $1.99

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• Single Knob Surface Mount Housing Pod
• For use with Belva BAWLK, BA2USB or BAVTM

Omega DS-2.4

Economy Door Lock Actuator

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Economy Door Lock Actuator

• Single Door Lock Actuator
• Converts Manual Doorlocks Into Power Doorlocks
• Two-Wire Reverse Polarity Operation
• Universal Mounting Hardware Included

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5
List price $19.99
-40% $11.99

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• Single Door Lock Actuator
• Converts Manual Doorlocks Into Power Doorlocks
• Two-Wire Reverse Polarity Operation
• Universal Mounting Hardware Included

Audiovox FMDIRB

FM Modulator Relay Box and Direct Adapter

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FM Modulator Relay Box and Direct Adapter

• Converts internal wireless FM transmitter to a wired FM modulator
• Connects audio output with POD with FM modulator to car radio
• Designed for use with Audiovox SIRCK3 and XC9 vehicle kits

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$39.99

Available

Ships in 10-14 days

• Converts internal wireless FM transmitter to a wired FM modulator
• Connects audio output with POD with FM modulator to car radio
• Designed for use with Audiovox SIRCK3 and XC9 vehicle kits

PAC BB-1PR

Pair of Bass Blocker / Passive Crossover; Removes 0-300Hz at 4 ohms, 0-150Hz at 8 ohms (BB1PR)

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Pair of Bass Blocker / Passive Crossover; Removes 0-300Hz at 4 ohms, 0-150Hz at 8 ohms (BB1PR)

&bull Pair of Bass Blockers for 6" x 9" Speakers
• Blocks 0-300Hz @ 4 Ohm
• Blocks 0-150Hz @ 8 Ohm
• Filters Out Unwanted Frequencies Towards Speakers

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13
List price $29.00
-45% $15.99

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&bull Pair of Bass Blockers for 6" x 9" Speakers
• Blocks 0-300Hz @ 4 Ohm
• Blocks 0-150Hz @ 8 Ohm
• Filters Out Unwanted Frequencies Towards Speakers

JL Audio CL-RLC

2-Channel Remote Level Control and Line Driver Preamplifier

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2-Channel Remote Level Control and Line Driver Preamplifier

• Fully Active, 2-Channel Remote Level Control and Line Driver with Pass-Through Outputs
• Minimizes Unwanted Noise
• Active Circuitry
• Control Knob
• Pass-Through Connection

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12
$89.99

Available

Ships in 10-14 days

• Fully Active, 2-Channel Remote Level Control and Line Driver with Pass-Through Outputs
• Minimizes Unwanted Noise
• Active Circuitry
• Control Knob
• Pass-Through Connection

Stinger SGP90200

200 Amp Circuit Breaker

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200 Amp Circuit Breaker

• 200 Amp Circuit Breaker
• Dust and splash proof
• Accepts 1/0 or 4 gauge wire
• Easy reset/disconnect
• Can act as a master disconnect for circuits

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7
List price $139.00
-50% $68.99

In stock

Only 1 Left!

• 200 Amp Circuit Breaker
• Dust and splash proof
• Accepts 1/0 or 4 gauge wire
• Easy reset/disconnect
• Can act as a master disconnect for circuits

Tru Spec Dual 12in P (1460YX)

Empty Dual 12" Vented Prefabricated Enclosure for Sundown SA 12" Subwoofers

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Empty Dual 12" Vented Prefabricated Enclosure for Sundown SA 12" Subwoofers

• 12" Dual Ported Subwoofer Enclosure
• 3/4" Medium Density Fiberboard (MDF) construction
• Total box volume: 3.50 cubic feet
• Compatible for Sundown SA 12V2 subwoofers (Sold separately)

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6
List price $299.99
-22% $234.99

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Stinger SPI300

600W Peak (300W RMS) Dual Outlet Portable Power Inverter

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600W Peak (300W RMS) Dual Outlet Portable Power Inverter

• Dual Outlet Portable Power Inverter
• Surge Power Output: 600 watts
• Continuous Power Output: 300 watts
• USB port included for charging compatible devices
• Internal cooling fan keeps the inverter from overheating

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1
List price $169.00
-74% $43.99

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• Dual Outlet Portable Power Inverter
• Surge Power Output: 600 watts
• Continuous Power Output: 300 watts
• USB port included for charging compatible devices
• Internal cooling fan keeps the inverter from overheating

AudioControl PNW-XN3

3-way Passive Crossover Network

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3-way Passive Crossover Network

• 3-way Passive Crossover Network
• Designed to expand a 2-way component system into a 3-way setup
• Ideal for adding a midrange driver to your 2-way component system
• Includes woofer, midrange and tweeter outputs
• Compatible with AudioControl PNW and Altitude Series speakers

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3
List price $179.00
-11% $159.00

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• 3-way Passive Crossover Network
• Designed to expand a 2-way component system into a 3-way setup
• Ideal for adding a midrange driver to your 2-way component system
• Includes woofer, midrange and tweeter outputs
• Compatible with AudioControl PNW and Altitude Series speakers

NVX XIV25

16.4 ft (5 meter) 2-Channel V-Series RCA Audio Interconnect Cable

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16.4 ft (5 meter) 2-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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43
List price $18.99
-32% $12.99

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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

NVX XQDC4

4 AWG High Current Power and Ground Quick Disconnect with Surface Mounts

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4 AWG High Current Power and Ground Quick Disconnect with Surface Mounts

• 4 AWG Power, Ground and Remote Quick Disconnect
• Rated up to 120 Amps
• Anderson connectors
• Makes it easy to remove amps, batteries and other equipment quickly
• Includes male and female quick disconnects

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5
List price $27.99
-7% $25.99

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Used from: $15.59 Like New from: $22.09

• 4 AWG Power, Ground and Remote Quick Disconnect
• Rated up to 120 Amps
• Anderson connectors
• Makes it easy to remove amps, batteries and other equipment quickly
• Includes male and female quick disconnects

T-Spec VBTPN

(4) 0 Gauge or (4) 4/8/10 Gauge outputs with bolt-on post for factory harness retention

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(4) 0 Gauge or (4) 4/8/10 Gauge outputs with bolt-on post for factory harness retention

• For positive or negative battery post use
• Add a Post System
• >Solid brass construction

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7
List price $47.99
-19% $38.99

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• For positive or negative battery post use
• Add a Post System
• >Solid brass construction

Belva BBSW127

12 Gauge 7 Meter (23 Ft) Speaker Wire (CCA)

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12 Gauge 7 Meter (23 Ft) Speaker Wire (CCA)

• 7 Meters
• 12 Gauge Speaker Wire
• High Strand Count for Maximum Flexibility
• 23 Foot Length

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43
List price $14.99
-53% $6.99

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• 7 Meters
• 12 Gauge Speaker Wire
• High Strand Count for Maximum Flexibility
• 23 Foot Length

JL Audio SGRU-12

Mesh Grille for JL Audio 12" W0v3, W1v3 and W3v3 Subwoofers

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Mesh Grille for JL Audio 12" W0v3, W1v3 and W3v3 Subwoofers

• 12" Grille made specifically for the JL Audio 12W1v2, 12W3v3, or 12TW5 Sub
• Provides the Best Protection Possible
• Top-Notch JL Audio Quality
• Metal Mesh Grille Painted Black

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$49.99

In stock

• 12" Grille made specifically for the JL Audio 12W1v2, 12W3v3, or 12TW5 Sub
• Provides the Best Protection Possible
• Top-Notch JL Audio Quality
• Metal Mesh Grille Painted Black

NVX XKIT44

Full Spec 4 Gauge 100% (OFC) Oxygen Free Copper Complete 4-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 4-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 4-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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-23% $119.99

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FREE NVX Amp Kit at Checkout!
Save 30% off an NVX XKIT44 Amp Kit at Checkout! Add a qualifying amplifier to your cart and save 30% on the NVX XKIT44 Amp Kit! No code needed — discount applies automatically at checkout.
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.
Used from: $90.99

Crux CSS-41

4-Input Automatic Video Switcher

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4-Input Automatic Video Switcher

• 4 Input Automatic Video Switcher
• Automatic left and right turn signal triggering
• Automatic backup to front camera switching
• Includes 4 camera inputs

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1
List price $121.80
-36% $78.30

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Only 3 Left!

• 4 Input Automatic Video Switcher
• Automatic left and right turn signal triggering
• Automatic backup to front camera switching
• Includes 4 camera inputs

NVX XSBI500

500-Amp Microprocessor-Controlled Dual Sensing Smart Battery Isolator and Relay (Handles up to 700-Amp Surge)

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500-Amp Microprocessor-Controlled Dual Sensing Smart Battery Isolator and Relay (Handles up to 700-Amp Surge)

• 500-Amp continuous / 700-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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List price $109.99
-18% $89.99

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Used from: $76.88

• 500-Amp continuous / 700-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 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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Used from: $17.99

Metra IBWRD00

Dual 1/0-Gauge to Single 1/0 Gauge Input Wire Reducers

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Dual 1/0-Gauge to Single 1/0 Gauge Input Wire Reducers

• Dual 1/0-gauge input and output to 1/0-gauge wire reducer
• Machined brass construction with Chrome finish
• Designed for aftermarket audio upgrades in any vehicle

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List price $49.99
-10% $44.99

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• Dual 1/0-gauge input and output to 1/0-gauge wire reducer
• Machined brass construction with Chrome finish
• Designed for aftermarket audio upgrades in any vehicle

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    FAQ for Universal-Fit Audio & Electronics in 2015 Terrain

    Q: Can I upgrade or change the Universal-Fit Audio & Electronics in 2015 GMC Terrain?

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

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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
    • You avoid incompatible radios, speakers, or wiring
    • Installation is smoother, faster, and frustration-free
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    Whether you're replacing a factory stereo or upgrading your entire audio system, the Fit Finder eliminates uncertainty.