Adapters, Connectors & Wire Terminals at Sonic Electronix
Coupon Exclusion
Coupon and offer exclusions:

Sitewide coupons and discounts are not applicable to certain brands, products or combos. Offers exclude the following brands*: JL Audio®, Wet Sounds®, Focal®, Kicker® and Rockford Fosgate® Offers exclude the following products*: MRV-M500, ILX-W650, ILX-W650_SXV300v1, BLB212LED, BPKG10T, XPE2700, XPE4700, DMCPA79BT, GT7-6, GT7-96, GT7-6C, GX600C-z, KW-V85BT, DDX9705S, DDX775BH, JAD900.5, JAD800.4, QBUS8v2, NekTek2, AVH-200EX, DB1242DVC.

*Contact our toll-free expert line for JL Audio®, Wet Sounds®, Focal® and Rockford Fosgate® as we guarantee we will beat any other Authorized Retailer.

Code: 19YEARS is for 10% off your purchase of select items. $10 Sonic Bucks will be applied and available 30 Days from original purchase and must be used on an order of $100 or more.

Coupons are not valid for business/wholesale sales, installation services, shipping, delivery or gift cards. Sonic Electronix reserves the right to limit quantities per account, product or offer. Offers may be valid only in the U.S. Coupons cannot be combined with other coupons, select promo bundles, combos, savings certificates, special offer price matches, or combined with other discounts. X
Find all types of connectors and terminals including butt connectors, speaker connectors, splice adaptors, ring terminals, spade terminals, T-tap connectors and more. Get your today!

Adapters, Terminals & Connectors

Find all the install parts you need right here! Our wide selection of installation connectors include butt connectors, speaker connectors, splice adaptors, ring terminals, spade terminals, T-tap connectors, quick disconnect connectors, and other small adapters.
Bullet Connectors
Butt Connectors
Gauge Adapters
Quick Disconnect Connectors
Quick Splice Adapters
Relays & Switches
Ring Terminals
Spade Terminals
Speaker Connectors
T-Tap Connectors
Banana Connectors
Crimp Caps
RCA Patch Cables & Adapters
Antenna Adapters

Top Sellers in Adapters, Terminals & Connectors

Antenna Adapter for 1988-up for Chevrolet / GM Radios (MDA-1B)

GM / Chevrolet Antenna Adapter • Aftermarket Antenna Male (Motorola Plug) to Factory Radio Female (Proprietary Plug)

$3.99

IN STOCK

Antenna Adapter for 2002-up Chrysler, Dodge and Jeep Vehicles

2002-up Chrysler/Dodge/Jeep Antenna Adapter • Aftermarket Antenna Male (Motorola Plug) to Factory Radio Female (Proprietary Plug)

$3.99

IN STOCK

  • 4.6
8 reviews

Gold Plated Dual Terminal Banana Plug Connector

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

$1.99

IN STOCK

Antenna Adapter for 1997-up Audi, BMW and Volkswagen Vehicles

2002 - Up BMW / VW • Aftermarket Antenna Male (Motorola Plug) to Factory Radio Female (Proprietary Plug)

$5.99

IN STOCK

  • 4.7
3 reviews

8 Gauge Ring Terminals, 5/16" Opening with Nickel Plated Brass - 2 Pieces (1 Red & 1 Black)

Two Ring Terminals
• 5/16" Opening
• 8 Gauge
• 1 Red & 1 Black
• Nickel Plated • Resealable Polybag

$2.49

IN STOCK

Antenna Adapter for Volkswagen and European Vehicles

VW / European Antenna Convertor • Aftermarter Antenna Male (Motorola Plug) to Factory Radio Female (Proprietary Plug)

$4.99

IN STOCK

Factory Antenna to Aftermarket Radio Adapter for Select 1988-2006 GM Vehicles

• Factory Antenna to Aftermarket Radio Adapter
• For Select 1988-2006 GM Vehicles
• GM factory antenna with mini "barbless" or "barbed" plug to aftermarket radio

$4.99

IN STOCK

Antenna to Radio Adapter Cable for Select 2002-up Chrysler, Dodge, Ford, and Jeep Vehicles

Antenna to Radio Adapter Cable • For 2002-up Chrysler, Dodge, Ford, and Jeep vehicles with snap-lock factory antenna • Adapter to aftermarket radio

$4.99

IN STOCK

Great Connection Kit for Stereo to Car Wire Harness with Zip Ties and Butt Connectors

• Designed to connect in-dash receiver wiring harness to vehicle wiring harness

50% off Stereo Connection Kit with Select Purchase!

$6.99

IN STOCK

Antenna to Radio Adapter Cable for Select 2002-up BMW/Volkswagen Vehicles

Antenna to Radio Adapter Cable • For select 2002-Up BMW/Volkswagen vehicles • Factory antenna with mini-style plug to aftermarket radio

$5.99

IN STOCK

  • 4.5
2 reviews

0 AWG to 4 AWG Nickel Plated Gauge Reducer

• Wire Gauge Reducer
• 0 AWG to 4 AWG
• Nickel Plated
• Deep Wire Recesses
• Ultimate Power Delivery

$6.95

IN STOCK

Antenna Adapter for 2007-up Nissan Maxima and Versa

Factory Antenna Adapter • Vehicle specific for 2007 - Up Nissan Maxima and Versa • OEM Quality Harness

$4.99

IN STOCK

  • 5.0
9 reviews

Factory Antenna Cable to Aftermarket Radio Receivers for Select Honda and Acura Vehicles

Factory Antenna Cable to Aftermarket Radio Receivers • For select Honda and Acura vehicles

$6.99

IN STOCK

Antenna Adapter for 2005-up Honda Vehicles

Factory Antenna Adapter • Vehicle Specific for 2005 & UP Honda Vehicles • OEM Quality

$4.99

IN STOCK

1/0 Gauge Solid Copper 5/16 Ring Terminals with Shrink Tubing - 4 Pack

• 1/0 Gauge Solid Copper Ring Terminals
• Shrink Tubing
• Pure Copper with Nickel plating for optimal Current transfer
• Color: Black
• Count: 4

$6.99

IN STOCK

  • 5.0
5 reviews

1/0 Gauge Input to 5/16" Ring Corrosion-Resistant Shoc-Krom Plated Set Screw Ring Terminal

Set Screw Ring Terminal • 1/0 Gauge Input to 5/16" Ring • Deep wire recesses • Oversized Set Screws • Includes Both Red and Black Polarity Bands

$7.99

IN STOCK

Gauge Reducer, 1/0 Gauge Input to 4 Gauge Pin

• Gauge Reducer Adapter
• 1/0 Gauge Input to 4 Gauge Pin
• Deep Wire Recesses
• Ultimate Power Delivery
• Corrosion Resistant Shoc-Krome Plating

$7.99

IN STOCK

  • 4.5
2 reviews

Micro/Delco Reverse Antenna Adapter for 1988-up GM Vehicles

GM/Chevrolet Reverse Antenna Adapter • Aftermarket Antenna Female (Motorola Plug) to Factory Radio Male (Proprietary Plug)

$3.99

IN STOCK

Amplified Antenna Adapter Cable for Select 2002-up Vehicles

Antenna Adapter Cable • Powered antenna and newer "FACRA" style connector to aftermarket radio

$10.99

IN STOCK

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

$6.99

IN STOCK

Load More