10 Best Car Audio Capacitor of December 2025

• SUPPORTS CAR AUDIO SYSTEM: A high-demand audio setup can often place extra demand on your car's electrical system. When you need power, especially for booming bass and soaring highs, this 5.0 farad Pyle capacitor will have it at the ready
• BLUE DIGITAL DISPLAY: It's got all you need to make sure your system sounds awesome and stays safe - a blue digital voltage readout to show you how much power is available. Looks great too, thanks to the blue LED lighting & the brushed aluminum case
• SAFETY FEATURES: Equipped w/ electronic polarity protection circuit and an over-voltage protection circuit ensure maximum performance and reliability. Features capacitance ± 5%, 20-24 volt surge, 105oC w/ DC 12 to 24 volt
• MOUNTING HARDWARE: The digital power capacitor includes mounting charging hardware, chrome-plated post kits, and 1 pair clear brackets for a better installation. Total size measures 8.86” H x 3.5” W
• WORRY-FREE SHOPPING: With the Pyle PLCAPE50 5.0 Farad Digital Power Capacitor for Wireless Belt-Packs we are confident of the quality of our product, therefore, we offer a 30-day money-back guarantee no questions asked
• 5.0 Farad Digital Display Power Capacitor - Chrome Plated Post Kits - Aluminum Brushed Case
• Capacitance ± 5%. 20-24 Volt Surge, 105oC - DC 12- 24 volt - Dimensions: 8.86''H 3.5''W
• Blue Digital Display and blue LED flash - Electronic Polarity Protection Circuit
• Strong Finishing For A Better Installation Result - Over Voltage Protection Circuit
• 1 Pair Clear Brackets Included - Includes Mounting Charging Hardware

Pyle

• AMPLIFIER PROTECTION: Protects your amplifier from voltage surges when you're playing your music loud
• VEHICLE DYNAMIC CONTROL: 20 max with 24-volt surge
• EQUIVALENT SERIES RESISTANCE: 0.002 ohm or less
• CAPACITANCE: 6 farad
• DIGITAL DESIGN: Includes digital electronic protection and digital display with status indicator

Audiopipe

• NEW **BOSS CAP18** 18 FARAD Digital Car Audio Capacitor
• Blue LED Illuminated Window with Music Response
• Warning Tones for Reverse Polarity Connection, Over Voltage and Low Battery Voltage
• E.S.R (Equivalent Series Resistance) 0.0015 Ohms @ 120Hz
• 3 Digit Blue Voltage Meter Displays 0.1V Increments

BOSS Audio Systems

• Equivalent Series Resistance (ESR): 0.0015 Ohms @ 120 Hz @ 25 Degrees C
• Low-Level Input Voltage: 16 Volts
• Remote Terminal Screw
• High-Level Input Voltage: 20 Volts

Sound Storm Laboratories

• Blue Illumination
• Digital Voltage Display
• ESR
• Black Chrome Finish
• 20 Volts DC Operation

Planet Audio

• Digital Voltage Display
• 4400 Watts
• Low ESR
• 4.4. Farad Cap
• 20 VDC Surge

BULLZ AUDIO

• Capacitance Tolerance: + / - 10%
• Working Voltage Range: 16 VDC
• Surge: 24 V
• Chrome Plated Posts
• Mounting Brackets and Hardware Included
• Dimensions: 11-9 / 16" (H) x 3-15 / 16" (D)
• 1 Year Warranty

Sound Storm Laboratories

• 3 Digit Bright Red Digital LED Voltage Display
• Audible Warning Tone for Reverse Polarity, Voltage Overload and Low Battery Voltage.2 Farads with digital voltage display
• Capacitance: 2,000,000, Capacitance Tolerance: + / - 10%, Voltage Measurement Accurate to + / - 0.1 VDC
• Working Voltage: 16 VDC, Equivalent Series Resistance: <0.00195 mW @ 120 Hz / 25°C
• Dimensions: 3 x 3 x 10.3, Unit Weight: 3.8 Lbs
• 1 Year Warranty

BOSS Audio Systems

• 3 Digit Bright Blue Digital LED Voltage Display, Blue Illuminated Window
• Audible Warning Tone for Reverse Polarity, Voltage Overload and Low Battery Voltage
• Voltage Measurement Accurate to + / - 0.1 VDC
• Capacitance: 10,000,000, Working Voltage: 16 VDC, Surge Voltage: 24 VDC
• Equivalent Series Resistance: 0.015 Ohm @ 100 Hz / 25°C, Capacitance Tolerance: + / - 10%
• Dimensions: 9.5 x 6.4 x 2.5, Unit Weight: 5 Lbs
• 1 Year Warranty

Planet Audio

• When System Voltages Drop, the Sound Quality of Your Car's Audio System Takes a Hit.
• Bullz Audio Capacitors Provide Instantaneous Power on Demand to Feed your Power Hungry Amplifiers and Stabilize the Voltage.
• This is an 8.8 Farad Capacitor with a Red Three Digit LED Display.
• Works well Up to 8800 Watts Max Power
• Low ESR

BULLZ AUDIO