Garage
Shop

Discontinued Audio Capacitors

Loading...
Filters

Shop the Category

filter-icon Filters & Sort
You are currently viewing discontinued products.

Kinetik HC700SE (KHC700SE) Open Box

850 Amp 12V High Current Car Audio Power Cell

Go to item page Right Arrow Icon of Right Arrow

850 Amp 12V High Current Car Audio Power Cell

12V High Current Car Audio Power Cell • Sealed Absorbed Glass Mat (AGM) Design • Perfect for 700W Car Audio Stereo Systems • Ultra Low ESR • 900 Amps • 22 Amp Hours • 100% Sealed and Maintenance Free

12V High Current Car Audio Power Cell • Sealed Absorbed Glass Mat (AGM) Design • Perfect for 700W Car Audio Stereo Systems • Ultra Low ESR • 900 Amps • 22 Amp Hours • 100% Sealed and Maintenance Free

Legacy LCA2000DB

2 Farad Digital Power Capacitor

Go to item page Right Arrow Icon of Right Arrow

2 Farad Digital Power Capacitor

2 Farad Digital Power Capacitor • Digital Voltmeter • Gold/Chrome Plated Post Kits

2 Farad Digital Power Capacitor • Digital Voltmeter • Gold/Chrome Plated Post Kits

Lanzar OPTICAP1000

100 Farad Digital Capacitor

Go to item page Right Arrow Icon of Right Arrow

100 Farad Digital Capacitor

100 Farad Capacitor supplies power to systems up to 100,000 watts

100 Farad Capacitor supplies power to systems up to 100,000 watts

Legacy LCAP50DT

5.0 Farad Capacitor

Go to item page Right Arrow Icon of Right Arrow

5.0 Farad Capacitor

5.0 Farad Capacitor • Side-Mounted Terminals • Dual Digital Voltmeters • Neon Rings and LED Lights • Silver Finish

5.0 Farad Capacitor • Side-Mounted Terminals • Dual Digital Voltmeters • Neon Rings and LED Lights • Silver Finish

Lightning Audio SCC1

50 Farad Digital Carbon Capacitor

Go to item page Right Arrow Icon of Right Arrow

50 Farad Digital Carbon Capacitor

50 Farad Digital Carbon Capacitor • Latest Carbon-Based Capacitor Technology • Ultra Fast Charge and Discharge Rates • Built-In Distribution Block

50 Farad Digital Carbon Capacitor • Latest Carbon-Based Capacitor Technology • Ultra Fast Charge and Discharge Rates • Built-In Distribution Block

Go to item page Right Arrow Icon of Right Arrow

1/2 Farad Chrome Capicitor with 20V Nominal And 24 Volt Surge

1/2 Farad Chrome Capicitor with 20V Nominal And 24 Volt Surge

Boss CAP32C

3.2 Farad Capacitor with Digital Voltage Display

Go to item page Right Arrow Icon of Right Arrow

3.2 Farad Capacitor with Digital Voltage Display

3.2 Farad Capacitor with Digital Voltage Display • 20V DC nominal with 24V surge • Satin finish terminals

3.2 Farad Capacitor with Digital Voltage Display • 20V DC nominal with 24V surge • Satin finish terminals

Absolute HYC25

Hybrid 25 Farad Digital Stiffening Capacitor

Go to item page Right Arrow Icon of Right Arrow

Hybrid 25 Farad Digital Stiffening Capacitor

25 Farad digital power hybrid capacitor • 12-24 Volts DC • Digital Blue LEDs • Built in Voltage Meter • Built in Amperage Draw Meter • Electronics Polarity Protection Circuit • Over Voltage Protection Circuit

25 Farad digital power hybrid capacitor • 12-24 Volts DC • Digital Blue LEDs • Built in Voltage Meter • Built in Amperage Draw Meter • Electronics Polarity Protection Circuit • Over Voltage Protection Circuit

SPL SBT-800

800 Amp, 16V High Current Car Audio Power Cell w/ Digital Volt-Meter Display

Go to item page Right Arrow Icon of Right Arrow

800 Amp, 16V High Current Car Audio Power Cell w/ Digital Volt-Meter Display

800 Amp Combination Battery & Capacitor • Blue Digital Volt Meter with Blue Illumination • Black and Aluminum Finish Battery Posts • 3-6 Year Cycle Life • 3 Milliohm Int. Resistance • 8 Amp/Hour • 1/4" Bolt Terminals

800 Amp Combination Battery & Capacitor • Blue Digital Volt Meter with Blue Illumination • Black and Aluminum Finish Battery Posts • 3-6 Year Cycle Life • 3 Milliohm Int. Resistance • 8 Amp/Hour • 1/4" Bolt Terminals

Boss CAP8

8 Farad Digital Hybrid Capacitor with Blue Illumination

Go to item page Right Arrow Icon of Right Arrow

8 Farad Digital Hybrid Capacitor with Blue Illumination

• 8 Farad Digital Hybrid Capacitor with Blue Illumination
• 3-Digit, super bright LED voltage meter
• Voltage measure accurate to +/- 0.1VDC
• Blue illuminated window with light following played music
• Automatic sleep status when volume is low
• Warning tones protection

• 8 Farad Digital Hybrid Capacitor with Blue Illumination
• 3-Digit, super bright LED voltage meter
• Voltage measure accurate to +/- 0.1VDC
• Blue illuminated window with light following played music
• Automatic sleep status when volume is low
• Warning tones protection

Absolute HYC60

Hybrid 60 Farad Digital Stiffening Power Capacitor

Go to item page Right Arrow Icon of Right Arrow

Hybrid 60 Farad Digital Stiffening Power Capacitor

60 Farad digital power hybrid capacitor • 12-24 Volts DC • Digital Blue LEDs • Built in Voltage Meter • Built in Amperage Draw Meter • Electronics Polarity Protection Circuit • Over Voltage Protection Circuit

60 Farad digital power hybrid capacitor • 12-24 Volts DC • Digital Blue LEDs • Built in Voltage Meter • Built in Amperage Draw Meter • Electronics Polarity Protection Circuit • Over Voltage Protection Circuit

Sound Storm Labs (SSL) 2 Farad Capacitor C22

2 Farad Capacitor with Digital Display (Black Finish)

Go to item page Right Arrow Icon of Right Arrow

2 Farad Capacitor with Digital Display (Black Finish)

• 2 Farad Capacitor
• Red Digital Voltage Display
• Audible warning tone for reverse polarity, low battery voltage
• Rated voltage: 16 VDC

• 2 Farad Capacitor
• Red Digital Voltage Display
• Audible warning tone for reverse polarity, low battery voltage
• Rated voltage: 16 VDC

Complete 4 Gauge Wiring Kit with 2.0 Farad Capacitor

Belva Complete Amplifier Wiring Kit w/ Boss 2.0 Farad Digital Capacitor

Go to item page Right Arrow Icon of Right Arrow

Belva Complete Amplifier Wiring Kit w/ Boss 2.0 Farad Digital Capacitor

• Complete 4 Gauge 2-Channel Belva Amplifier Installation Kit
• Designed Specifically For Car Audio Systems Up to 1000 Watts RMS
• Premium Power and Ground Wire Provides Optimal Power Transfer
• 2.0 Farad Digital Capacitor
• Chrome Finish Terminals
• 20V DC, 24V Surge

• Complete 4 Gauge 2-Channel Belva Amplifier Installation Kit
• Designed Specifically For Car Audio Systems Up to 1000 Watts RMS
• Premium Power and Ground Wire Provides Optimal Power Transfer
• 2.0 Farad Digital Capacitor
• Chrome Finish Terminals
• 20V DC, 24V Surge

Kinetik HC2400 (KHC2400) Open Box

2600 Amp 12V High Current Car Audio Power Cell

Go to item page Right Arrow Icon of Right Arrow

2600 Amp 12V High Current Car Audio Power Cell

12V High Current Car Audio Power Cell • Sealed Absorbed Glass Mat (AGM) Design • Perfect for 2400W Car Audio Stereo Systems • Ultra Low ESR • 2600 Amps • 128 Amp Hours • 100% Sealed and Maintenance Free

12V High Current Car Audio Power Cell • Sealed Absorbed Glass Mat (AGM) Design • Perfect for 2400W Car Audio Stereo Systems • Ultra Low ESR • 2600 Amps • 128 Amp Hours • 100% Sealed and Maintenance Free

Massive Audio RAILCAP-E (RCE)

RAILCAP-B 4 Farad Capacitor For Nano EDGE Series Amplifiers

Go to item page Right Arrow Icon of Right Arrow

RAILCAP-B 4 Farad Capacitor For Nano EDGE Series Amplifiers

• Built Specifically for Massive Audio Nano Edge Series Amplifiers
• Direct Connection for Blade Series Amps
• Non-Digital 4 Farad Capacitor
•Evens Out Power Needs When a Drop Occurs
• Charges and Discharges Instantaneously

VIP Star Icon

VIP Product Get $8.00 in rewards to spend later

• Built Specifically for Massive Audio Nano Edge Series Amplifiers
• Direct Connection for Blade Series Amps
• Non-Digital 4 Farad Capacitor
•Evens Out Power Needs When a Drop Occurs
• Charges and Discharges Instantaneously

Massive Audio Rail Cap S

4 Farad Capacitor for Select Massive Audio Amplifiers

Go to item page Right Arrow Icon of Right Arrow

4 Farad Capacitor for Select Massive Audio Amplifiers

• Works with select Massive Audio amplifiers
• Plug and play design
• 4 Farad Capacitor
• >Automatically connected directly to the amplifier's internal power supply

• Works with select Massive Audio amplifiers
• Plug and play design
• 4 Farad Capacitor
• >Automatically connected directly to the amplifier's internal power supply

MA Audio SYC15Q

15 Farad Capacitor

Go to item page Right Arrow Icon of Right Arrow

15 Farad Capacitor

15 Farad Digital Capacitor • Flush Mount Panel • Removable Handles • Chrome Plated Finish • Blue LED Voltage Display • 0.00115 Ohm ESR • Built-In Distribution Block

15 Farad Digital Capacitor • Flush Mount Panel • Removable Handles • Chrome Plated Finish • Blue LED Voltage Display • 0.00115 Ohm ESR • Built-In Distribution Block

Boss 2 Farad Car Audio Capacitor, LED (2 Pack)

Boss 2 Farad 20-Volt Digital Voltage Car Audio Power Capacitor, LED (2 Pack)

Go to item page Right Arrow Icon of Right Arrow

Boss 2 Farad 20-Volt Digital Voltage Car Audio Power Capacitor, LED (2 Pack)

• 2 Farad Capacitor with digital voltage display
• Red Digital Voltage Display
• Audible warning tones

• 2 Farad Capacitor with digital voltage display
• Red Digital Voltage Display
• Audible warning tones

Boss 2 Farad Capacitor CPRD2

2 Farad Capacitor with Digital Display (Black Finish)

Go to item page Right Arrow Icon of Right Arrow

2 Farad Capacitor with Digital Display (Black Finish)

• 2 Farad Capacitor
• Red Digital Voltage Display
• Audible warning tone for reverse polarity, low battery voltage
• Rated voltage: 16 VDC

• 2 Farad Capacitor
• Red Digital Voltage Display
• Audible warning tone for reverse polarity, low battery voltage
• Rated voltage: 16 VDC

BOSS CAP8 FARAD LED Digital Car Power Capacitor Cap + Premium amp kit

8 Farad Digital Hybrid Capacitor with Blue Illumination Package

Go to item page Right Arrow Icon of Right Arrow

8 Farad Digital Hybrid Capacitor with Blue Illumination Package

• 8 Farad Digital Hybrid Capacitor with Blue Illumination
• 3-Digit, super bright LED voltage meter
• Voltage measure accurate to +/- 0.1VDC
• Blue illuminated window with light following played music
• Automatic sleep status when volume is low
• Warning tones protection

• 8 Farad Digital Hybrid Capacitor with Blue Illumination
• 3-Digit, super bright LED voltage meter
• Voltage measure accurate to +/- 0.1VDC
• Blue illuminated window with light following played music
• Automatic sleep status when volume is low
• Warning tones protection

Items per page: 20 40 60

    Clear all

    FAQ Frequently asked questions in Discontinued Audio Capacitors


    Car Audio Capacitor Frequently Asked Questions (FAQ)
    A car audio capacitor is an electronic component that stores and releases electrical energy to support high-demand audio systems. When amplifiers require a surge of power to deliver heavy bass hits or loud music passages, the electrical system might experience voltage drops. Capacitors act as a buffer, providing instant power when needed, reducing strain on the alternator, and preventing dimming headlights or other electrical issues. High-power audio systems can benefit from capacitors by ensuring a stable voltage supply, resulting in improved amplifier performance and cleaner sound output.
    If you have a high-power audio system with large amplifiers, subwoofers, and upgraded speakers, you may experience voltage drops and dimming lights when playing music at high volumes. These are indications of a strained electrical system. Installing a car audio capacitor can alleviate these issues by providing the extra power needed during peak demands, improving amplifier performance, and maintaining consistent voltage levels. If you notice any signs of electrical strain or audible distortion at high volumes, adding a capacitor to your system may be beneficial.
    The size and capacity of the capacitor you need depend on your audio system's power requirements. Capacitors are measured in Farads (F), and higher capacity capacitors can store more electrical energy. To determine the right size, calculate the total RMS power output of your amplifiers. As a general rule of thumb, a 1 Farad capacitor is suitable for every 1,000 watts RMS of total amplifier power. For example, if you have 2,000 watts RMS of amplifier power, a 2 Farad capacitor should be sufficient. However, it is essential to consult with a car audio expert or use Sonic Electronix's AmpliFinder tool to ensure you select the appropriate capacitor size for your specific setup.
    Installing a car audio capacitor involves several steps. First, disconnect the vehicle's negative battery terminal to ensure safety. Next, identify a suitable location near the amplifier(s) to mount the capacitor. Install the capacitor by connecting the positive power wire from the amplifier(s) to the positive terminal of the capacitor and the negative terminal to a suitable ground point. It's crucial to use proper wire gauge and secure connections to prevent voltage drops and potential hazards. After the installation, reconnect the battery terminal and test your audio system. If you are unsure about the installation process, it's best to seek assistance from a professional car audio installer to ensure a safe and reliable installation.
    While car audio capacitors can improve voltage stability and prevent voltage drops, they may not fix all power-related issues. If your audio system experiences significant voltage drops, dimming lights, or audible distortion at high volumes, adding a capacitor can help alleviate these problems. However, if the electrical demands of your audio system exceed the capabilities of your vehicle's stock alternator or battery, a capacitor may not be a complete solution. In such cases, you may need to upgrade your alternator or battery to handle the increased power demands. It's essential to assess your audio system's power requirements and consult with a car audio expert to determine the most effective solution for your specific setup. Sonic Electronix's expert staff can assist you in selecting the right capacitor and providing guidance on any additional upgrades needed to optimize your car audio system's performance. Car audio capacitors are valuable accessories for high-power audio systems, providing the extra power needed during peak demands and ensuring a stable voltage supply. By understanding your audio system's power requirements and selecting the appropriate capacitor size, you can enhance your car audio experience and enjoy clean, distortion-free sound at any volume level. Sonic Electronix offers a wide selection of high-quality car audio capacitors from top brands, ensuring you find the perfect capacitor to meet your system's needs.
    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?
    Save up to 10 different vehicles in your garage
    Vehicle
    Store
    Delete

    2006 Chevrolet Express 1500

    2017 Tesla Model X

    2017 Audi SQ5

    2004 Lexus RX330

    2020 Kia Soul

    2006 Mazda B3000

    1985 Isuzu Trooper

    1995 Audi A6

    1996 Geo Tracker

    2009 BMW 750Li

    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.