Garage
Shop

2012 Nissan Maxima

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 2012 Nissan Maxima

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.

Loading...
Filters

We are sorry, no available results!

filter-icon Filters & Sort

JL Audio SGRU-10

Mesh Grille for JL Audio 10" W0v3, W1v3 and W3v3 Subwoofers

SGRU-10 big
Go to item page Right Arrow Icon of Right Arrow

Mesh Grille for JL Audio 10" W0v3, W1v3 and W3v3 Subwoofers

• 10" Grille made Specifically for the JL Audio 10W1v2 or 10W3v3 Sub
• Provides the Best Protection Possible
• Top-Notch JL Audio Quality
• Metal Mesh Grille Painted Black

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

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

24
$39.99

In stock

• 10" Grille made Specifically for the JL Audio 10W1v2 or 10W3v3 Sub
• Provides the Best Protection Possible
• Top-Notch JL Audio Quality
• Metal Mesh Grille Painted Black

Metra JP-18AMP-BRKT

Under Seat Amplifier Rack for 2018-Up Jeep

JP-18AMP-BRKT big
Go to item page Right Arrow Icon of Right Arrow

Under Seat Amplifier Rack for 2018-Up Jeep

• Under seat amplifier rack for select 2018-Up Jeep models
• Corrosion resistant black powder-coated mount plate
• Designed to be installed under the front seat to install aftermarket amplifier

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

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

1
List price $83.99
-11% $74.99

In stock

• Under seat amplifier rack for select 2018-Up Jeep models
• Corrosion resistant black powder-coated mount plate
• Designed to be installed under the front seat to install aftermarket amplifier

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

2 Pack of 200 Amp Nickel-Plated ANL Fuse (Belva BANL200)

Two fuses per order. High quality 200 Amp ANL Fuses

BANL200 big
Go to item page Right Arrow Icon of Right Arrow

Two fuses per order. High quality 200 Amp ANL Fuses

• 200A ANL Fuse
• 2 Pack
• Nickel Plated
• Resealable Polybag
• Heavy Duty Construction

Prime Time! Save 10% at Checkout!
shipping truck icon Free shipping in USA. Provide zip for delivery date.

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

23
List price $7.99
-50% $3.99

In stock

• 200A ANL Fuse
• 2 Pack
• Nickel Plated
• Resealable Polybag
• Heavy Duty Construction

JL Audio SGR-10TW3

Mesh Grille for JL Audio 10" TW3 Subwoofers

SGR-10TW3 big
Go to item page Right Arrow Icon of Right Arrow

Mesh Grille for JL Audio 10" TW3 Subwoofers

• 10" Subwoofer Grille
• Steel Mesh Material
• For Use with TW3 Series Subwoofers
• Powder Coated Satin Black Finish

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

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

9
$39.99

In stock

Only 3 Left!

• 10" Subwoofer Grille
• Steel Mesh Material
• For Use with TW3 Series Subwoofers
• Powder Coated Satin Black Finish

NVX SQW104

1200W Peak (600W RMS) 10" SQ-Series Dual 4-ohm Shallow-Mount Car Subwoofer

SQW104 big
Go to item page Right Arrow Icon of Right Arrow

1200W Peak (600W RMS) 10" SQ-Series Dual 4-ohm Shallow-Mount Car Subwoofer

• Peak Power: 1200 watts
• RMS Power: 600 watts
• Impedance: Dual 4 ohm
• Polypropylene Cone
• Rubber Surround
• Mount depth: 3.23"
• Sensitivity: 83 dB

2+ offers available
shipping truck icon Free shipping in USA. Provide zip for delivery date.
VIP Star Icon

VIP Product Get $25.00 in rewards to spend later

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

List price $299.99
-17% $249.99

In stock

Continue to cart

Available Offers (2) for NVX SQW104
Offer image
Prime Time! Save 25% at Checkout!
List price $299.99
-17% $249.99
$187.49 with coupon | Price details
2026-06-28 23:59:00
Purchase $400 or More of NVX and Save 15%!
2026-07-27 11:08:20

• Peak Power: 1200 watts
• RMS Power: 600 watts
• Impedance: Dual 4 ohm
• Polypropylene Cone
• Rubber Surround
• Mount depth: 3.23"
• Sensitivity: 83 dB

Limited time!

NVX XDSP28

8-Channel X-Series 15 Band Parametric EQ Digital Signal Processor (DSP) with LCD Display, Built-in Bluetooth and Remote Level Controller

XDSP28 big
Go to item page Right Arrow Icon of Right Arrow

8-Channel X-Series 15 Band Parametric EQ Digital Signal Processor (DSP) with LCD Display, Built-in Bluetooth and Remote Level Controller

• 15 Band Parametric EQ
• 8-Channel RCA Outputs
• Provides up to 2 Volts of output
• Fully adjustable High and Low-pass filters
• Time alignment in 0.02 ms increments

Purchase $400 or More of NVX and Save 15%!
shipping truck icon Free shipping in USA. Provide zip for delivery date.

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

3
List price $131.99
-17% $109.99

In stock

Used from: $76.99

• 15 Band Parametric EQ
• 8-Channel RCA Outputs
• Provides up to 2 Volts of output
• Fully adjustable High and Low-pass filters
• Time alignment in 0.02 ms increments

JL Audio SGRU-12

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

SGRU-12 big
Go to item page Right Arrow Icon of Right Arrow

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

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

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

19
$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

Limited time!

NVX XQC302 Dual USB Quick Charge 3.0 Car Charger with LED Digital Voltmeter

QC 3.0 Fast Charging 12V/24V 36W Aluminum Waterproof Socket Power Output Adapter with On/Off Switch

XQC302 big
Go to item page Right Arrow Icon of Right Arrow

QC 3.0 Fast Charging 12V/24V 36W Aluminum Waterproof Socket Power Output Adapter with On/Off Switch

• Features Qualcomm Quick Charge 3.0
• Charges two devices simultaneously at 5V (2.1A)
• Charges devices 4x faster than conventional charging
• Compatible with most 12/24V charging systems
• Can be used nearly any application (Car/Truck/SUV/ATV/UTV/RV/Motorcycle/Marine)

Purchase $400 or More of NVX and Save 15%!
shipping truck icon Free shipping in USA. Provide zip for delivery date.

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

6
List price $29.99
-67% $9.99

In stock

• Features Qualcomm Quick Charge 3.0
• Charges two devices simultaneously at 5V (2.1A)
• Charges devices 4x faster than conventional charging
• Compatible with most 12/24V charging systems
• Can be used nearly any application (Car/Truck/SUV/ATV/UTV/RV/Motorcycle/Marine)

JL Audio SGR-12TW3

Mesh Grille for JL Audio 12" TW3 Subwoofers

SGR-12TW3 big
Go to item page Right Arrow Icon of Right Arrow

Mesh Grille for JL Audio 12" TW3 Subwoofers

• 12" Subwoofer Grille
• Steel Mesh Material
• For Use with TW3 Series Subwoofers
• Powder Coated Satin Black Finish

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

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

6
$49.99

In stock

Only 3 Left!

• 12" Subwoofer Grille
• Steel Mesh Material
• For Use with TW3 Series Subwoofers
• Powder Coated Satin Black Finish

SMD 1 Channel Heavy Duty Speaker Terminal (Grade 8 Metal)

Single Channel Round Speaker Terminal with Grade 8 Terminals

1-CHANNEL-TERMINAL- ROUND-GRADE8 big
Go to item page Right Arrow Icon of Right Arrow

Single Channel Round Speaker Terminal with Grade 8 Terminals

• Heavy duty terminals for serious applications
• Lightweight 3/4" PVC
• Won't break or leak under high pressure
• 5/16" Bolt Terminal
• All Grade 8 Hardware

shipping truck icon Free shipping in USA. Provide zip for delivery date.
3
List price $39.99
-40% $24.00

In stock

• Heavy duty terminals for serious applications
• Lightweight 3/4" PVC
• Won't break or leak under high pressure
• 5/16" Bolt Terminal
• All Grade 8 Hardware

Metra 82-6900

1.5" Spacer Ring for 6x9" Speakers

82-6900 big
Go to item page Right Arrow Icon of Right Arrow

1.5" Spacer Ring for 6x9" Speakers

• 6" x 9" Universal Speaker Spacers / Depth Extenders
• Adds 1-1/2" depth to speakers
• Items that make the installer's Life easier
• Trimrings and Trimplates
• Speaker Grills
• Speaker Adapter plates

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

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

18
List price $21.99
-50% $10.99

In stock

• 6" x 9" Universal Speaker Spacers / Depth Extenders
• Adds 1-1/2" depth to speakers
• Items that make the installer's Life easier
• Trimrings and Trimplates
• Speaker Grills
• Speaker Adapter plates

Crux MVA-124

1-Input and 4-Output RCA Multi-Video Amplifier

MVA-124 big
Go to item page Right Arrow Icon of Right Arrow

1-Input and 4-Output RCA Multi-Video Amplifier

• Multi-Video Amplifier
• Includes one RCA input and four RCA outputs
• Video level control for each level

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

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

List price $48.30
-36% $31.05

In stock

Only 3 Left!

• Multi-Video Amplifier
• Includes one RCA input and four RCA outputs
• Video level control for each level

DS18 PRO-GRILL6MS/BK

Universal Shallow Mesh Grille for Most 6.5" Speakers (Black)

PRO-GRILL6MS/BK big
Go to item page Right Arrow Icon of Right Arrow

Universal Shallow Mesh Grille for Most 6.5" Speakers (Black)

• 6.5" universal shallow mesh speaker grill
• Fits speakers and midranges
• Bolt-on easy installation
• Slim and shallow design
• Painted in matte black
• Sold individually/per piece

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

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

List price $17.99
-17% $14.95

In stock

• 6.5" universal shallow mesh speaker grill
• Fits speakers and midranges
• Bolt-on easy installation
• Slim and shallow design
• Painted in matte black
• Sold individually/per piece

Metra 44-EC12 Antenna Extension

12" Universal Antenna Extension Cable

44-EC12 big
Go to item page Right Arrow Icon of Right Arrow

12" Universal Antenna Extension Cable

• Universal Antenna Extender
• Extends Antenna 12" (1 ft.)

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

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

2
List price $11.99
-17% $9.99

In stock

• Universal Antenna Extender
• Extends Antenna 12" (1 ft.)

Cobra PX650-BCH6

Splashproof Pro Business 2-Way Walkie Talkies (6-Pack)

PX650-BCH6 big
Go to item page Right Arrow Icon of Right Arrow

Splashproof Pro Business 2-Way Walkie Talkies (6-Pack)

• Pro Business 2-Way Walkie Talkies
• IP54-rated splashproof and weather-resistant
• 22 Channels and 88 Privacy Codes
• Voice-Activated Transmission (VOX)
• 18-hour lithium-ion battery

shipping truck icon Free shipping in USA. Provide zip for delivery date.
$299.95

In stock

• Pro Business 2-Way Walkie Talkies
• IP54-rated splashproof and weather-resistant
• 22 Channels and 88 Privacy Codes
• Voice-Activated Transmission (VOX)
• 18-hour lithium-ion battery

Limitless Lithium LL3.5A-MTN-HV

3.5A 15V Portable Automatic Smart Lithium High Voltage Maintainer

LL3.5A-MTN-HV big
Go to item page Right Arrow Icon of Right Arrow

3.5A 15V Portable Automatic Smart Lithium High Voltage Maintainer

• Portable Automatic Smart Lithium High Voltage Maintainer
• Lithium LTO Battery Maintainer 3.5 Amp
• Designed for charging 15 volts batteries
• Shuts off when the battery is charged
• Can be used as a "Maintainer" for all LTO and high voltage lithium batteries

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

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

$89.00

In stock

Only 3 Left!

• Portable Automatic Smart Lithium High Voltage Maintainer
• Lithium LTO Battery Maintainer 3.5 Amp
• Designed for charging 15 volts batteries
• Shuts off when the battery is charged
• Can be used as a "Maintainer" for all LTO and high voltage lithium batteries

Omega LINKRLT3

Remote Start Smartphone App Upgrade with Advanced GPS Functionality

LINKRLT3 big
Go to item page Right Arrow Icon of Right Arrow

Remote Start Smartphone App Upgrade with Advanced GPS Functionality

• Smartphone remote start car alarm app
• Compatible with Android and iPhone devices
• Unlimited range (subject to service coverage area)
• Shareable with multiple users, with set expiration date
• Premium and Premium Plus service plans available

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

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

List price $199.95
-32% $135.99

In stock

• Smartphone remote start car alarm app
• Compatible with Android and iPhone devices
• Unlimited range (subject to service coverage area)
• Shareable with multiple users, with set expiration date
• Premium and Premium Plus service plans available

Wet Sounds ADP TC3-S

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

ADP TC3-S big
Go to item page Right Arrow Icon of Right Arrow

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

Shipping Credit Applied
shipping truck icon Free shipping in USA. Provide zip for delivery date.
VIP Star Icon

VIP Product Get $58.00 in rewards to spend later

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

1
$579.99

In stock

Only 2 Left!

• 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

Escort Redline 360c

Radar and Laser Detector with Android Auto and Apple CarPlay Support

Redline 360c big
Go to item page Right Arrow Icon of Right Arrow

Radar and Laser Detector with Android Auto and Apple CarPlay Support

• Multi-Band Radar and Laser Detection
• Graphic Color OLED display with current speed, vehicle voltage, and alert area monitors
• User, pilot, arrow and meter modes
• Directional arrows provide true 360-degree awareness
• Installs on the windshield

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

VIP Product Get $80.00 in rewards to spend later

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

List price $899.99
-11% $799.95

In stock

• Multi-Band Radar and Laser Detection
• Graphic Color OLED display with current speed, vehicle voltage, and alert area monitors
• User, pilot, arrow and meter modes
• Directional arrows provide true 360-degree awareness
• Installs on the windshield

Limited time!

Belva BAK42

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

BAK42 big
Go to item page Right Arrow Icon of Right Arrow

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

FREE Belva Amp Kit at Checkout!
shipping truck icon Free shipping in USA. Provide zip for delivery date.

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

169
List price $59.99
-42% $34.99

In stock

Used from: $34.99
NVX - Worth the Envy - Direct to Consumer Car Audio

Items per page: 20 40 60

    Clear all
    why-shoping-with-sonic

    We love people and we're ready to help you! See what separates us from our competition.

    Take advantage of our VIP rewards like 10% back on your purchases, free 2-day shipping, extended warranties, and free returns! Gain access to all of these rewards without any membership fees.
    Get great discounted (and possibly FREE) installation accessories with most car stereo purchases. This includes dash kits, wiring harnesses and antenna adapters that you will need to properly install your new car stereo.
    We are an Authorized Dealer for all the brands we sell, including the most premium brands in car and marine audio such as Hertz, JL Audio, NVX, Rockford Fosgate, Kicker, Alpine, Kenwood and many more.
    Shop Deals and get up to 30% off premium brands! Shop Now! We are always looking out for the best products and deals to offer our customers. Don’t pay too much by shopping elsewhere!
    We have information on brands, gear, and more for you to explore! Check out our YouTube Channel for helpful how-to videos, product reviews, and Q&As. For a more detailed look, also visit our Learning Center!
    Our trained experts are here to assist you! They are just a phone call or click away to help you get the right gear for you and your vehicle!
    Why Shop With Us?
    FAQ for Universal-Fit Audio & Electronics in 2012 Maxima

    Q: Can I upgrade or change the Universal-Fit Audio & Electronics in 2012 Nissan Maxima?

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

    Save up to 10 different vehicles in your garage
    Vehicle
    Store
    Delete

    2012 Nissan Maxima

    2007 Mazda RX-8

    1984 Audi 4000 CS

    1982 Jeep Wagoneer

    1993 GMC Typhoon

    2001 GMC Yukon Denali XL

    2006 Nissan Quest

    2015 Nissan Rogue

    2000 GMC K3500

    1994 GMC C2500 Suburban

    Vehicle
    Store
    Delete

    2016 Can-Am Commander Max 1000 LTD

    2020 Can-Am Defender MAX HD8

    Add vehicle Clear all vehicles
    Where to find vehicle info
    Are you sure you want to clear your garage?
    This action cannot be undone. Confirm
    This category was not designed for products.
    If you continue, you will be redirected to a category customized for your vehicle. Continue
    Loading...
    Identify your vehicle and submodel details
    • Owner's manual
    • Vehicle's insurance card
    • Vehicle registration
    • Vehicle produced after 2005: Inside driver's side door
    • Vehicle produced before 2005: Rear passenger doorjamb, glove box, center console, or engine compartment
    Car Info Side Door Icon
    Vehicle Registration Icon
    Vehicle Insurance Icon

    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
    • You get the correct accessories the first time

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