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🔊 Keep your sound booming without the drop — Power, precision, and protection in one sleek package!
The SoundBox 2.5 Farad Digital Capacitor is engineered for serious audiophiles and professionals, offering 2500 watts peak power stabilization to eliminate voltage drops during heavy bass playback. Featuring a durable aluminum cylindrical design, digital voltage readout, bright LED status indicators, and advanced over-voltage protection, it ensures consistent, high-quality sound performance. Easy to install with versatile mounting and safety features, this capacitor is a must-have upgrade for any high-powered car audio system.






| ASIN | B07B7B3LGJ |
| Brand | SoundBox |
| Capacitance | 2.5 Farad |
| Customer Reviews | 4.3 out of 5 stars 2,390 Reviews |
| Item Shape | Cylindrical |
| Manufacturer | SoundBox |
| Manufacturer Part Number | SCAP2D |
| Material | Aluminium |
| Maximum Voltage | 2.5 Volts |
| Maximum voltage | 2.5 Volts |
| Model Number | SCAP2D |
| Mounting Type | Pole Mount or Snap-In Mount |
| Mounting type | Pole Mount or Snap-In Mount |
| Number of Packs | 1 |
| Shape | Cylindrical |
| UPC | 859256005907 |
| Unit Count | 1.0 count |
| Upper Temperature Rating | 85 Degrees Celsius |
B**H
Great capacitor at a good price
Works as its supposed to, provides steady power for my amps when other wise id have voltage drops, my system has 2700 watts between 3 amps using 130 amp alternator and this capacitor i havent had any power issues even at very high volumes with heavy bass track playing, installation was simple with excellent instructions. If and when you need to discharge it i recommend holding the resister with a pair of needle nose pliers because it will get hot enough to burn you. Only thing is I wish they proved something to shield its taps from accidental touching, otherwise im very happy with the purchase. The price is reasonable too compared to others that due the same thing, accessing the the light dimming screw is simple i recommend doing it discharged then recharging to see how it looks may take a couple goes to find somewhere your happy. I havent had any issues with it negatively effecting the battery life. Sound quality is the same but instead of the bass being dialed down it stays consistent. the capacitance is accurate tested with a meter it truly is a 2.5 farad. Very well made and durable, the plastic mounts make it easy to mount although I had to take a sanding dremmel to sand down the rim of one of the mounts so I could slide it up the capacitor, the way it was kept it at the bottom side of it, the inside lip would prevent it from going any higher, after sanding it down i was able to slide both mounts anywhere on the capacitor made mounting much easier
C**T
Good Amazon purchase
Great new condition and works great
A**I
Good
Looks great didnt end up using it. My installer said I dont need it. Great quality
D**Y
Inclusive to positive
A capacitor will always be a must for car audio enthusiast. Best capacitor running my 400 watts 4 ch amplifier. The only thing I do not like is the harmonic distortion it produced…
T**O
Works
Works Great
Trustpilot
4 days ago
2 months ago