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

3 Digit Bright Red Digital LED Voltage Display Audible Warning Tone for Reverse Polarity, Voltage Overload and Low Battery Voltage.Surge Voltage 24 VDC Capacitance: 3,500,000, 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: 4 x 4 x 11.4, Unit Weight: 6.4 Lbs 1 Year Warranty 3.5 Farads with digital voltage display Red Digital Voltage Display Audible warning tone for reverse polarity Audible warning tone for low battery voltage Audible warning tone for voltage overload