Garage
Shop

See all parts that fit your 2003 Optima

AudioFonics ADF-2.2 Purple w/ Yellow

2.0 Farad Digital Stiffening Capacitor with LED Voltage Meter

AudioFonics
Shop all AudioFonics
Product videos
highlight-star-icon

2.0 Farad Digital Stiffening Capacitor with LED Voltage Meter • Max voltage: 24 VDC • Power-on LED Indicator • Polarity Protection • Platinum finish • Gold-plated terminals

Learn more about the adf22-purple

We apologize

This item has been discontinued

NVX - Worth the Envy - Direct to Consumer Car Audio

Loading...
DMH-1800NEX main

Pioneer DMH-1800NEX

6.8" Double DIN Touchscreen Digital Multimedia Receiver with Bluetooth, Apple CarPlay, Android Auto, and SiriusXM Ready

59
-19.05%

$339.99

List price $420.00

Limited time!
46CSC654 main

Kicker CSC65 (46CSC654)

600W Peak (200W RMS) 6.5” CS Series 2 Way Coaxial 4-ohm Speakers

254
-33.36%

$79.96

List price $119.99

Limited time!
46CSC6934 main

Kicker CSC693 (46CSC6934)

900W Peak (300W RMS) 6x9” CS Series 3 Way Coaxial 4-ohm Speakers with Integrated Midrange Speakers

40
-30.02%

$111.96

List price $159.99

UTE-73BT main

Alpine UTE-73BT

Single DIN Digital Media Receiver with Bluetooth

44
-16.69%

$149.95

List price $180.00

Limited time!
Club 622 main

JBL Club 622

360W Peak (120W RMS) 6.5" Club Series 2-way Coaxial 3-ohm Speakers

5
-28.58%

$99.95

List price $139.95

CV15BT main

Cerwin-Vega CV15BT

Single Din Digital Media Receiver with Bluetooth

3
DB652 main

Polk Audio DB652 (DB 652)

600W Peak (200W RMS) 6.5" DB+ Series 2 Way Coaxial 4-ohm Car, Marine and Powersports Speakers

214
-9.16%

$109.00

List price $119.99

43DSC6504 main

Kicker DSC650 (43DSC6504)

480W Peak (120W RMS) 6.5” DS Series 2-way 4-ohm Coaxial Car Speakers (DSC6504)

72
-10.53%

$84.99

List price $94.99

Limited time!
DMH-W3050NEX main

Pioneer DMH-W3050NEX

6.8" Double DIN Touchscreen Digital Multimedia Receiver with Bluetooth, Wireless Apple CarPlay and Android Auto, and Built-in Alexa (Sirius XM Ready)

1
-24.20%

$469.99

List price $620.00

SXE-6926S main

Alpine SXE-6926S

280W Peak (90W RMS) 6x9” SXE Series 2-way 4-ohm Coaxial Speakers

13
-20.84%

$56.99

List price $71.99

Product Highlights


2.0 Farad Digital Stiffening Capacitor with LED Voltage Meter • Max voltage: 24 VDC • Power-on LED Indicator • Polarity Protection • Platinum finish • Gold-plated terminals

Description


AudioFonics brand icon

Authorized dealer

Product Features:
  • Stiffening capacitor with LED Voltage meter and built-in relay
  • Max voltage: 24 VDC
  • LED Digital voltage display
  • Built-in relay
  • Power-on LED Indicator
  • Polarity Protection
  • Mounting brackets included
  • Platinum finish
  • Gold-plated terminals
  • 1-year Manufacturer's warranty

Best selling similar products

XCAP10H small

NVX XCAP10H (TRUE 10 FARAD CAPACITANCE)

• For High-Powered systems
• Bright Blue LED Voltage Display
• Improves Bass Response (SPL)

(47)

$299.99

List price $371.99

SSCap5M small

Stinger SSCap5M

• 5 Farad Digital Capacitor
• Carbon Fiber Design
• 5000 Watt Systems
• Digital Display

(3)

$162.99

List price $349.00

RFC10HB small

Rockford Fosgate RFC10HB 10 Farad Hybrid Capacitor

• 10 farad Hybrid Digital Capacitor
• Increases quality of sound
• Increases level of bass
• Platinum plated

(46)

$529.99

List price $709.99

BB1D small

Belva 1.0 Farad Capacitor

• 1.0 Farad Power Capacitor
• Perfect for Systems up to 1000 Watts
• Audible Warning
• Red Voltage Display
• Mounting Brackets Included

(80)

$38.99

List price $79.99

XCAP1F small

NVX XCAP1F

• For Systems Up To 1200 Watts
• Bright Blue LED Voltage Display
• Improves Bass Response (SPL)

(66)

$109.99

List price $131.99

SPC505 small

Stinger SPC505

• Digital 5 Farad Capacitor
• Bright Red LED Voltage Display
• Monitor System Voltage
• 12-16 Volt Operation / 18 Volt Surge
• Louder And Cleaner Bass Response

(17)

$274.99

List price $599.00

SPC5010 small

Stinger SPC5010

• Digital 10 Farad Capacitor
• Bright Red LED Voltage Display
• Monitor System Voltage
• 12-16 Volt Operation / 18 Volt Surge
• Louder And Cleaner Bass Response

(20)

$339.99

List price $739.00

BB2D small

Belva BB2D

• 2.0 Farad Power Capacitor
• Perfect for Systems up to 2000 Watts
• Audible Warning
• Red Voltage Display
• Mounting Brackets Included

(36)

$54.99

List price $89.99

BT-SA150-975 small

Sundown SA150-975 (SA150)

• Non-digital 150 farads capacitor
• Made for systems up to 1200 watts
• Includes mounting hardware for a secure installation

$299.99

List price $359.99

Item Details


Manufacturer:

Model Number:

ADF-2.2-PURPLE

Weight:

4.00lbs

Internal SKU:

adf22-purple

Internal Product ID:

20239

Product and How-to Videos


Customer Ratings & Reviews


AudioFonics ADF-2.2 Purple w/ Yellow thumbnail image

5 star
0%
4 star
0%
3 star
0%
2 star
0%
1 star
0%



Durability
0
Value
0
Features
0
Design
0
Usability
0

Customer Reviews

Sort by:

Loading...
Sorry, no reviews found

1T12-0.7-GRAY small

Sonic Sub Box: 1T12-0.7 (Gray)

Single 12" Angled Universal Truck MDF Enclosure

(8)

$32.99

List price $49.99

DP240 small

Black & Decker DP240

2.4-volt Screwdriver

$18.00

List price $34.00

10C122 small

Kicker C122 (10C122)

12" Single 2 ohm Comp Series Car Subwoofer

(2)

$59.95

List price $129.95

Related Searches


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

2003 Kia Optima

1992 GMC C2500 Suburban

2016 GMC Savana 2500

2023 Jeep Wagoneer

2018 Mercedes-Benz Sprinter

2005 Mazda 3

2008 Mitsubishi Raider

2017 Hyundai Ioniq EV

1988 Ford Taurus

2020 Audi A3

Vehicle
Store
Delete

2005 Harley Davidson FLHTCSE Screamin Eagle Electra Glide

2004 Harley Davidson FLHTC/I Electra Glide Classic

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 page 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.