Is this ofc (oxygen free copper) cable?

Free from Oxidation!means is Better than aluminum

The led doesn’t stay on is that a problem ? It reads when I first start the car but a minute later it shuts off, it is full I believe but no display

They usually do that every now and then but it’s actually working. As long as the display never completely shuts off it should be good to bump

If I have a Capacitor do I need a second battery

No, the capacitor is connected in parallel with the battery close to the amp. The kit has very good instructions, fairly easy installation. Hope this helps.

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SoundBox 4 Gauge Amp Kit Amplifier Install Wiring & 2.5 Farad Digital Capacitor, 2300W Peak

SoundBox 4 Gauge Amp Kit Amplifier Install Wiring & 2.5 Farad Digital Capacitor, 2300W Peak

Product ID: 66223140

Details

Brand
SoundBox
Manufacturer
SoundBox
Mounting Type
Surface Mount
Number of Channels
4
Output Power
2300 Watts

⚡2300W Peak Power

🔋2.5 Farad Digital Capacitor

🛠️Complete 4 Gauge Install Kit

¥29522

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Sold byAmazon JapanDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🔊 Amp up your ride with power and precision—don’t just listen, dominate the soundscape!

TRUSTED TOP RANKED - Ranked #16 in car amplifier capacitors with 4.4-star reviews from over 2,000 enthusiasts—join the elite sound community.
PLUG PLAY CONVENIENCE - Comes with 17 feet of power and RCA cables plus protective wire loom and ties—everything you need, no guesswork.
ALL IN ONE INSTALLATION KIT - Includes premium 4 gauge CCA wiring, inline 80A fuse, and all connectors for a seamless, professional setup.
POWER YOUR SOUND LIKE A PRO - Unleash up to 2300 watts peak output for crystal-clear, booming audio that commands attention.
STAY CHARGED WITH PRECISION - 2.5 Farad digital capacitor ensures stable voltage and eliminates power dips during heavy bass hits.

The SoundBox 4 Gauge Amp Kit with 2.5 Farad Digital Capacitor delivers a peak output of 2300 watts, featuring high-quality copper-clad aluminum wiring and a comprehensive installation kit. Designed for professional-grade amplifier setups, it ensures stable power delivery and easy installation, backed by strong customer ratings and FCC compliance.

Specifications

Asin	B07BW6JRFK
Best Sellers Rank	#16 in Car Amplifier Capacitors
Brand Name	SoundBox
Customer Reviews	4.4 4.4 out of 5 stars (2,075) 4.4 out of 5 stars
Manufacturer	SoundBox
Material Type	Aluminum
Maximum Output Power	2300 watts
Model	SCAP2D+ECK4
Mounting Type	Surface Mount
Number Of Channels	4
Output Power	2300 Watts
Package Type Name	Box
Part Number	SCAP2D+ECK4
Specification Met	FCC
Upc	859256005921

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TrustScore 4.5 | 7,300+ reviews

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¥29522

Duties & taxes included

In stock

Sold byAmazon JapanDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Japan.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Abdullah B.

Great price for an authentic product. Fast international shipping too!

3 weeks ago

Meera L.

Smooth transaction and product arrived in perfect condition.

3 weeks ago

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