Can these connectors be used with 16 awg speaker wire?

Yes you can use these connectors with 16 gauge wire. The connectors come apart so that you feed the stripped wire through their hollow middle “tube” portion. You then separate the wire strands and fold them over the tube end. When you place the banana plug portion back on it the metal portion makes contact with the folded over wires. I’ve used these and similar plugs for my 7.1 sound surround system with larger 8 and 12 awg wire. I had to strip off some of the 8 gage wire threads (subwoofer) to get that thicker wire to fit. If you are going for a higher end system application I would personally recommend the largest capacity awg size you can use. You will not be disappointed (I’ve learned from past experience that 16 and 14 awg can be used for short lengths but in this case ”bigger is better”)

Is copper used on connector?

It is a Pure Copper Connector with a Gold Plating!

What is the inner diameter of the cable hole?

The interior diameter is 6.25mm

will these plug into the back of a stereo receiver?

If the back of the stereo receiver has RCA connectors it absolutely will.

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Sewell Deadbolt RCA Plugs, 4 Pairs, Fast-Lock Technology, 24k Gold Plated Speaker Plugs, Premium Solderless SW-32888-4

Product ID: 355743461

Details

Brand
Sewell
Connector type
RCA
Cable type
RCA
Compatible devices
Speakers CD
Special features
Data Transfer

⚡Fast-Lock tech for instant secure connection

✨24K gold plating for pristine signal clarity

🔒Self-crimping teeth ensure no-slip grip

S$39

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Description

🔊 Lock in flawless sound with Sewell’s gold-standard plugs!

COLOR CODED CONVENIENCE - Red and black labels make cable management a breeze.
UNIVERSAL COMPATIBILITY - Fits most standard RCA cables—upgrade your entire system seamlessly.
PREMIUM 24 K GOLD PLATING - Experience crystal-clear sound with corrosion-resistant contacts.
EFFORTLESS FAST LOCK TECHNOLOGY - Secure your audio setup in seconds with no fuss or tools.
SOLDERLESS STRESSLESS INSTALLATION - No special equipment needed—perfect for busy pros on the go.

Sewell Deadbolt RCA Plugs come in 4 pairs featuring Fast-Lock technology with self-crimping teeth for quick, reliable, solderless connections. Their 24K gold-plated contacts ensure superior signal clarity and corrosion resistance, while red and black labels simplify cable identification. Designed to fit most standard RCA cables, these plugs deliver professional-grade audio performance with effortless installation.

Specifications

ASIN	B01LW2LF53
Best Sellers Rank	#270 in Audio & Video Connectors & Adapters
Brand	Sewell
Brand Name	Sewell
Cable Type	Composite
Color	Black
Compatible Devices	Speaker
Compatible Phone Models	No Compatible Phone Models
Connector Gender	Male-to-Male
Connector Type	RCA
Customer Package Type	FFP
Customer Reviews	4.1 out of 5 stars 667 Reviews
Included Components	4 pairs of Deadbolt RCA plugs
Indoor Outdoor Usage	Indoor, Outdoor
Item Shape	Round
Item Weight	4 ounces
Manufacturer	Sewell Direct
Maximum Voltage	1 volts
Model	SW-32888-4
Model Name	Deadbolt
Number of Items	4
Number of Pins	2
Other Special Features of the Product	Data Transfer
Part Number	SW-32888-4
Recommended Uses For Product	Speakers
Special Feature	Data Transfer
Specification Met	Premium
UPC	685289388881
Unit Count	4 count

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S$39

Duties & taxes included

In stock

Sold byAmazon SINGAPOREDelivered 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 SINGAPORE.

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