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Rectangular black capacitor with blue LED display and mesh cover, platinum terminals visible

Rockville

Rockville RFC50F v2 50 Farad Car Audio Capacitor 2 in 1 Accessory

SKU CH-K7G7-Y6BXE

50 Farad capacitor stabilises car audio voltage with a blue LED display, polarity alerts and platinum-plated terminals

  • 50 Farads stabilises voltage for demanding amplifiers
  • 3-digit blue LED shows voltage accurate to ±0.1 VDC
  • Reverse polarity tones plus 17.5 V over-voltage and 10 V under-voltage alarms
  • Platinum-plated bolt-down terminals with blue pulsing window and mesh cover
  • Low 0.015 ohm ESR at 120 Hz with ±10 % tolerance

50 Farad Car Audio Capacitor

The Rockville RFC50F v2 is a 50 Farad digital hybrid capacitor built for high-performance car audio systems. It stabilises voltage for amplifiers and subwoofers during peak demand, reducing distortion and voltage drops. The unit suits enthusiasts and competition-grade builds that need consistent power delivery. It is not for buyers who want a battery replacement or a passive filter without active monitoring.

Installation and common issues

The capacitor measures 10.83" x 6.38" x 2.36" and uses platinum-plated bolt-down terminals for secure wiring. Polarity alerts sound warning tones if connections are reversed, helping prevent damage during setup. Automatic sleep mode activates during low-volume periods to conserve energy. Installers must verify terminal torque and mounting clearance to avoid loose connections or vibration fatigue.

Pre-order checks

Confirm your amplifier and subwoofer power requirements match the 50 Farad rating and the 17.5V over-voltage and 10V under-voltage thresholds. The system voltage must stay within the monitored range for the 3-digit blue LED display to provide accurate readings to .1VDC. Ensure the mounting location accommodates the stated dimensions and allows airflow around the black wire mesh cover.

How it compares

Measured against everything we stock in 2-in-1 Device Accessories, at today’s prices. Recalculated every night.

Price $143.99
Pricier than about 82% of the 7,473 comparable items (median $56.99).

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Specifications

No published specifications for this item yet.

Questions about this item

How do I confirm the capacitor is stabilizing voltage correctly after installation?

Watch the 3-digit blue LED display; it shows operating voltage accurate to +/-0.1VDC and should remain steady during heavy bass passages.

What comes in the box and what must I supply for the RFC50F v2?

The unit includes platinum-plated bolt-down terminals and a black wire mesh cover; you must provide power and ground cables, ring terminals, and mounting hardware.

Which capacitance value should I choose for my amplifier?

This model provides 50 Farads with +/-10% tolerance and 0.015 ohm ESR at 120Hz, suited for high-demand amplifiers and subwoofers needing rapid energy reserve.

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