BOSS Audio Systems CPBK3.5 Car Audio Capacitor - 3.5 Farad, Energy Storage, Enhance Bass From Stereo, Warning Reverse Polarity Tone, Voltage Overload Low Battery, For Amplifier and Subwoofer
BOSS Audio Systems CPBK3.5 Car Audio Capacitor - 3.5 Farad, Energy Storage, Enhance Bass From Stereo, Warning Reverse Polarity Tone, Voltage Overload Low Battery, For Amplifier and Subwoofer
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BOSS Audio Systems CPBK3.5 Car Audio Capacitor - 3.5 Farad, Energy Storage, Enhance Bass From Stereo, Warning Reverse Polarity Tone, Voltage Overload Low Battery, For Amplifier and Subwoofer

BOSS Audio Systems CPBK3.5 Car Audio Capacitor - 3.5 Farad, Energy Storage, Enhance Bass From Stereo, Warning Reverse Polarity Tone, Voltage Overload Low Battery, For Amplifier and SubwooferBOSS Audio Systems CPBK3 5 3 5 Farad Car Capacitor Energy Storage Bass Demand
Actual Color:Black-Out of stock

Key item features

  • Digital Voltage Display: Features a 3-digit bright red digital LED display for precise voltage readings, accurate to +/- 0.1 VDC.
  • Audible Safety Warnings: Provides audible warning tones for reverse polarity, voltage overload, and low battery voltage conditions.
  • Robust Capacitance: Offers a capacitance of 3,500,000 microfarads (3.5 Farad) with a tolerance of +/- 10% for stable energy storage.
  • Optimal Performance: Operates at a working voltage of 16 VDC with a low equivalent series resistance of less than 0.00195 mW at 120 Hz / 25C.
  • Compact Dimensions: Measures 4 x 4 x 11.4 inches and weighs 6.4 lbs, designed for integration with amplifiers and subwoofers.
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3.8 out of 5 stars
stars13 ratings3 reviews
How item rating is calculated
  1. 5 stars62% (8)
  2. 4 stars8% (1)
  3. 3 stars0% (0)
  4. 2 stars8% (1)
  5. 1 star23% (3)

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Showing 1-3 of 3 reviews

Jan 13, 2026
nick
Item details
Color: Black
Sold bySpeece Inc.Delivered byWalmart
5 out of 5 stars review

Verified Purchase

they are very durable i was in a wrecj recently and i had my capacitor and amp mounted on the back of the seat with the speakers box behind the seat so when i wrecked it slammed into the amp and capacitor the amp was cracked in a few places bit the capacitor didnt move an inch and actually busted a hole in the speaker on impact

Incentivized Review
Helpful?5Q2M72807IUA23852090
May 15, 2025
Alfonso
Item details
Color: Black
Sold and shipped byDeals Unlimited
5 out of 5 stars review

Verified Purchase

Good sounds

Excelente producto

Incentivized Review
Helpful?5Q2M72807IUA23852090
Dec 13, 2018
sin
1 out of 5 stars review

shows 4ga Amp installation kit in photos! Did not come with it.

Helpful?5Q2M72807IUA23852090