All I know is that I talked to the company and it was based in the US. Knowledgeable and quality products. I design and engineer electronic and electromechanical devices and found them informative and correct to deal with.

Better in sounf 12gage vs 16gage??

Depends on what the power rating, the length etc. Typically we use 14-16 for our installs for the front speakers. 12g for subwoofers. Unless we are running huge amounts of power such as 2500 pure watts. (Arc audio Kar series KS2500 sub amp. Then we use 10g

does the black polarity stripe on one side go in the black speaker connection?

If you plug the black wire into the negative (-) speaker terminal on the amplifier, you will then plug it into black (negative) terminal on your speaker/subwoofer. The wire color doesn't matter as long as you plug the positives with positives and the negatives with negatives:)

Is it actually 50 foot long or is it two cables 25 foot each

It's a single continuous 50' length.

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KnuKonceptz Kord Kable 16 Gauge Copper Speaker Wire OFC Cable 16AWG 50 Feet KRD16BL-50

Product ID: 258484139

Details

Brand
KnuKonceptz
Colour
r.blue
Gauge
16.0
Material
Copper
Number of cable strands
112

🌀Ultra-flexible PVC jacket for easy routing

📏50 feet length for versatile setups

🔌112 strands OFC for pristine audio

¥15134

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Sold byAmazon JapanDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🎧 Elevate your sound game with KnuKonceptz Kord Kable — where clarity meets flexibility!

GENEROUS LENGTH - 50 feet of premium 16AWG cable supports both home and mobile audio installations with ease.
UNMATCHED FLEXIBILITY - Ultra-flexible blue PVC jacket lets you route cables effortlessly around tight corners and under carpets.
AUDIOPHILE GRADE PURITY - 112 strands of 100% Oxygen Free Copper deliver crystal-clear sound with minimal signal loss.
SLEEK SIDE BY SIDE DESIGN - Slim 6.4mm width fits discreetly along baseboards or beneath flooring for a clean, professional look.
PRECISION POLARITY MARKING - Black polarity stripe ensures flawless speaker connections every time—no guesswork needed.

The KnuKonceptz Kord Kable 16 Gauge Speaker Wire features 112 strands of pure Oxygen Free Copper for superior audio fidelity. Its ultra-flexible blue PVC jacket and side-by-side construction make installation seamless in both home and mobile audio setups. At 50 feet long and 6.4mm wide, this cable balances durability, flexibility, and professional-grade performance, ensuring your speakers deliver crisp, accurate sound every time.

Specifications

ASIN	B0076S5GYE
Best Sellers Rank	#50,709 in Electronics ( See Top 100 in Electronics ) #77 in Speaker Cables
Brand Name	KnuKonceptz
Color	r.blue
Customer Reviews	4.8 4.8 out of 5 stars (441)
Gauge	16.0
Manufacturer	KnuKonceptz
Material Type	Copper
Model	KRD16BL-50
Number Of Wires	1
Number of Items	1
Part Number	KRD16BL-50
Strands	112
UPC	817069010730
Unit Count	1.0 Count
Wire Diameter	6.4 Millimeters

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¥15134

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

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TrustScore 4.5 | 7,300+ reviews

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