Installation Accessories

Installation accessories include all the other stuff you need to make your installation the best including speaker adapters, sound dampening material, and other miscellaneous parts that create a professional looking installation.

ZN1-1FC

MTX StreetWires ZN1-1FC One Farad Capacitor

Car Audio Accessory

Add to any system and ensure you have power when you need it
$129.95 $109.95
Availability: Out of stock
ZN1-1FCD

MTX StreetWires ZN1-1FCD One Farad Capacitor

Car Audio Accessory

MTX One Farad Capacitor with Digital Display

$159.95 $139.95
Availability: Out of stock
CAP1

MTX StreetWires CAP1 1 Farad Power Capacitor

Car Audio Accessory

MTX StreetWires 1 Farad Power Capacitor
$119.95 $69.95
Availability: In stock
CAP1D

MTX StreetWires CAP1D 1 Farad Power Capacitor with Display

Car Audio Accessory

Add to your system to make sure your amplifier has power when it needs it
$129.95 $79.95
Availability: In stock
LOC80

Scosche LOC80 Line Output Convertor

Car Audio Accessory

Connect factory radio with no preamp outputs to an amplifier with no speaker level inputs
$19.95
SLC4

Scosche SLC4 Stereo Output Convertor

Car Audio Accessory

Connect factory radio with aftermarket 2 and 4 channel amplifiers
$29.95
Availability: Out of stock
ZNSDDOOR

MTX StreetWires ZNSDDOOR ZeroNoise Sound Dampening Mat Door Kit

Car Audio Accessory

MTX Sound Dampening Mat Door Kit
$119.95
ZNSDTRUNK

MTX StreetWires ZNSDTRUNK ZeroNoise Sound Dampening Mat Trunk Kit

Car Audio Accessory

MTX Sound Dampening Mat Trunk Kit
$189.95
ZNSDSPKR

MTX StreetWires ZNSDSPKR ZeroNoise Sound Dampening Mat Speaker Kit

Car Audio Accessory

MTX Sound Dampening Mat Speaker Kit
$34.95
ZNSDBULK15

MTX StreetWires ZNSDBULK15 ZeroNoise Sound Dampening Mat 1.5mm Bulk Kit

Car Audio Accessory

MTX Sound Dampening Mat 1.5mm Bulk Kit
$399.95
ZNSDBULK30

MTX StreetWires ZNSDBULK30 ZeroNoise Sound Dampening Mat 3.0mm Bulk Kit

Car Audio Accessory

MTX Sound Dampening Mat 3.0mm Bulk Kit
$399.95
SA68

Convertible 6 x 8'' Speaker adapter (pair)

Car Audio Accessory

Convertible 6 x 8'' Speaker adapter (pair)
$11.95
Availability: In stock
FB0

MTX StreetWires FB0 1/0 AWG Firewall Bushing

Car Audio Accessory

MTX 1/0 AWG Firewall Bushing
$9.95
Availability: Out of stock
SAKA656

05-UP Kia Spectra Front Door Speaker Adapter

Car Audio Accessory

05-UP Kia Spectra Front Door Speaker Adapter

$12.95
Availability: In stock
SS65

1 inch Universal 5 1/4 inch or 6 1/2 inch Speaker Spacer

Car Audio Accessory

1" Universal 5 1/4" or 6 1/2" Speaker Spacer
$9.95
Availability: In stock
SS69

1 inch Universal 6x9 inch Speaker Spacer

Car Audio Accessory

1" Universal 6x9" Speaker Spacer
$11.95
Availability: In stock
SAGMT95B

1995-up GM Full Size Pickups & SUV Speaker Adapter (pair)

Car Audio Accessory

1995-up GM Full Size Pickups & SUV Speaker Adapter (pair)
$12.95
Availability: In stock
SAC656

1995-up Neon Jeep Speaker Adapter - 5.25/6.5 inch ABS (pair)

Car Audio Accessory

1995-up Neon Jeep Speaker Adapter - 5.25/6.5" ABS (pair)
$12.95
Availability: In stock
SAC653

1995-up Neon Speaker Adapter with 1/2'' spacer included - 5.25/6.5 inch ABS (pair)

Car Audio Accessory

1995-up Neon Speaker Adapter with 1/2'' spacer included - 5.25/6.5" ABS (pair)
$12.95
Availability: In stock
SAVW6

1995-up Volkswagen Speaker Adapter (pair)

Car Audio Accessory

1995-up Volkswagen Speaker Adapter (pair)
$13.95
Availability: In stock
SAHD656

1996‐2012 HARLEY DAVIDSON SPEAKER ADAPTERS

Car Audio Accessory

1996‐2012 HARLEY DAVIDSON SPEAKER ADAPTERS
$49.99
Availability: In stock
SAJ46

1997-up Jeep 4 x 6 inch Speaker Adapter, fits aftermarket 4 inch speaker (pair)

Car Audio Accessory

1997-up Jeep 4 x 6" Speaker Adapter, fits aftermarket 4" speaker (pair)
$11.95
Availability: In stock
SAT6

2000-Up Toyota Echo / Avalon Speaker Adapter

Car Audio Accessory

2000-Up Toyota Echo / Avalon Speaker Adapter
$12.95
Availability: In stock
SATT634

2000-Up Toyota Tundra 3rd Door Speaker Adapter for 6.5 inch or 6.75 inch speaker

Car Audio Accessory

2000-Up Toyota Tundra 3rd Door Speaker Adapter for 6.5" or 6.75" speaker
$24.95
Availability: In stock
SAH6

2001- 2005 Honda Civic Speaker Adapter (pair)

Car Audio Accessory

2001- 2005 Honda Civic Speaker Adapter (pair)
$14.95
Availability: In stock
SAGTE6

2002 Trailblazer/Envoy/Bravada 5 1/4 inch- 6 1/2 inch Speaker Adapter

Car Audio Accessory

2002 Trailblazer/Envoy/Bravada 5 1/4"- 6 1/2" Speaker Adapter
$19.95
Availability: In stock
SABW525

2002-up 3-Series Front Door Speaker Adapter (pair)

Car Audio Accessory

2002-up 3-Series Front Door Speaker Adapter (pair)
$19.95
Availability: In stock
SAT69

2003 Toyota 4-Runner Speaker Adapter

Car Audio Accessory

2003 Toyota 4-Runner Speaker Adapter
$19.95
Availability: In stock
SASCN656

2004 Scion xB rear speaker adapter

Car Audio Accessory

2004 Scion xB rear speaker adapter
$14.95
Availability: In stock
SAGMEQ656

2005-up Chevrolet Equinox/ Saturn Vue Speaker Adapter

Car Audio Accessory

2005-up Chevrolet Equinox/ Saturn Vue Speaker Adapter
$19.95
Availability: In stock
SAHC634

2006 - Up Honda Civic Door Speaker Adapter for 6 1/2

Car Audio Accessory

2006 - Up Honda Civic Door Speaker Adapter for 6 1/2
$19.95
Availability: In stock
SAGMHR634B

2006-up Chevrolet HHR / Impala Speaker Adapter for 6 1/2 or 6 3/4

Car Audio Accessory

2006-up Chevrolet HHR / Impala Speaker Adapter for 6 1/2 or 6 3/4
$19.95
Availability: Temporarily Out of Stock - Product will ship once in stock.
SAHR6

2006-up Honda Ridgeline Speaker Adapter (pair)

Car Audio Accessory

2006-up Honda Ridgeline Speaker Adapter (pair)
$19.95
Availability: In stock
SA464

4 x 6'' adapter; exact fit 4''. (pair)

Car Audio Accessory

4 x 6'' adapter; exact fit 4''. (pair)
$11.95
Availability: In stock
SAU56

Convertible 5.25/6.5'' Universal Speaker Adapter (pair)

Car Audio Accessory

Convertible 5.25/6.5'' Universal Speaker Adapter (pair)
$12.95
Availability: In stock
SA69

Convertible 6 x 9'' Speaker adapter (pair)

Car Audio Accessory

Convertible 6 x 9'' Speaker adapter (pair)
$11.95
Availability: In stock
FB4

MTX StreetWires FB4 4 AWG Firewall Bushing

Car Audio Accessory

MTX 4 AWG Firewall Bushing
$9.95
Availability: In stock
FB8

MTX StreetWires FB0 8 AWG Firewall Bushing

Car Audio Accessory

MTX 8 AWG Firewall Bushing
$9.95
Availability: In stock
SPD4

MTX StreetWires SPD4 4 AWG Spade Connetor for Power/Ground Wire

Car Audio Accessory

MTX 4 AWG Spade Connetor for Power/Ground Wire
$6.99 $3.97
Availability: In stock
ST4100

MTX StreetWires ST4100 4 AWG Spade Terminal

Car Audio Accessory

MTX StreetWires 4 AWG Spade Terminal
$99.99 $27.97
Availability: In stock
SPD8

MTX StreetWires SPD8 8 AWG Spade Connetor for Power/Ground Wire

Car Audio Accessory

MTX 8 AWG Spade Connetor for Power/Ground Wire
$6.99 $3.97
Availability: Out of stock
ST8100

MTX StreetWires ST8100 8 AWG Spade Terminal

Car Audio Accessory

MTX 8 AWG Spade Terminal
$99.99 $27.97
Availability: In stock
ST12100

MTX StreetWires 12 AWG Spade Terminal

Car Audio Accessory

MTX StreetWires 12 AWG Spade Terminal
$99.99 $27.97
Availability: In stock
SCS16

MTX StreetWires SCS16 Fast-on Slide Connector

Car Audio Accessory

MTX StreetWires SCS16 Fast-on Slide Connector
$6.99 $3.97
Availability: In stock
ST16100

MTX StreetWires ST16100 16 AWG Spade Terminal

Car Audio Accessory

MTX 16 AWG Spade Terminal 24 Pack
$99.99 $27.97
Availability: In stock