I have pioneer a1686r 350w & a6996r 650w speakers, joying front unit, also want to buy a subwoofer and amp. should i get one of these caps?

You should always back up you amps with a cap it stabilizes and protects all of you cars electronics and improves quality of audio

There's an audible alert for something since this cap has a buzzer in it's circuitry. anybody know why? says "notification safety sound alert" in desc

Yes, it’s for when the voltage contained in the cap goes under 10 if I am not mistaken.

how hot does this thing get?

Am running 1000 watts in my Subaru I don’t feel it hot at all!

can 2 be connected in parallel to get greater output?

Just buy a 5 farad of the same brand for $46. But to answer your question,yes you can connect these in parallel. Your can never have tooany farads protecting your system. You can only have like a 200 watt amp but have it connected to a 20 farad cap if you wanted to or four 5 farad caps.

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SoundBox 2.5 Farad Digital Capacitor - 2500 Watts Peak

SoundBox 2.5 Farad Digital Capacitor - 2500 Watts Peak

Product ID: 267936356

Details

Brand
SoundBox
Capacitance
2.5 Farad
Material
Aluminum
Maximum voltage
2.5 Volts
Shape
Cylindrical

⚡2.5 Farad capacitance for stable power

💡Bright LED charging & voltage display

🔋2500 Watts peak amplifier flow capacity

KD 30.75

Duties & taxes included

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Description

⚡ Power your bass, own the vibe — no drops, just pure boom!

DURABLE SLEEK DESIGN - High-strength cylindrical aluminum housing with rust-resistant nickel-plated connectors for long-lasting reliability.
SAFE SMOOTH OPERATION - Soft turn-on/off power surge and digital over-voltage protection ensure your gear stays safe under pressure.
SMART DIGITAL MONITORING - Accurate 3-digit voltage display and bright LED indicators keep you informed in real-time.
PEAK PERFORMANCE HANDLING - Handles up to 2500 Watts peak power, perfect for high-volume, bass-heavy sound systems.
ROCK SOLID POWER STABILITY - Keep your amps running flawlessly with 2.5 Farad digital capacitance that crushes voltage drops.

The SoundBox 2.5 Farad Digital Capacitor delivers stable, high-capacity power flow up to 2500 Watts peak, ensuring consistent amplifier performance even under heavy bass loads. Featuring a durable aluminum housing, digital voltage display, bright LED status indicators, and advanced over-voltage protection, it’s engineered for professional-grade audio setups demanding reliability and precision.

Specifications

ASIN	B07B7B3LGJ
Best Sellers Rank	#196,712 in Electronics ( See Top 100 in Electronics ) #134 in Car Amplifier Capacitors
Brand Name	SoundBox
Capacitance	2.5 Farad
Customer Reviews	4.3 4.3 out of 5 stars (2,387)
Item Shape	Cylindrical
Manufacturer	SoundBox
Material Type	Aluminum
Maximum Voltage	2.5 Volts
Model	SCAP2D
Mounting Type	Pole Mount or Snap-In Mount
Number of Items	1
Number of Packs	1
Part Number	SCAP2D
UPC	859256005907
Unit Count	1 Count
Upper Temperature Rating	85 Degrees Celsius

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TrustScore 4.5 | 7,300+ reviews

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