My Yahmaha amplifier has flip/squeeze plugs, not the round ones I'm seeing here. Will these work?

I tried it on a flip style and they were too big. The measurement of the plug is 0.15" or 3.85mm at the tip, at the widest 0.20" or 5.3mm. Your flip connectors may be larger than my example, a quick msr of the max gauge wire you can use will answer.

Has anyone tried to solder wires into these connectors for a better connection?

We have personally not done so, but other customers have done so to make their own cables and plugs. So it is quite possible to solder them. Since we have not done so ourselves, I cannot speak on the quality connection, but we have not heard any complaints for those that have. Hope this helps!

Are the outer sleeves/barrel "holding in place" after they're securely tighten? I have similar plugs from other company that "unscrew" themselves

They have not given me any connection problems so far after several months of use, but I went to check them after I saw your question. All the outer sleeves of the plugs inserted into my receiver were loose, a few (not all) going into the wall plates were loose, and none going into any of the speakers were loose. No explanation for how or why this occurred.

Yes you are correct, this is a 4mm Banana plug.

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FosPower Speaker Banana Plugs

Product ID: 45952083

Details

Brand
FosPower
Cable Type
USB
Compatible Devices
Amplifier
Connector Type
Usb
Special Feature
24k gold

🔆24K gold plated corrosion resistance

🔧Dual screw secure fit

🎛️Supports 12-18 AWG wire sizes

£44.85

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Description

🎧 Plug into perfection — upgrade your sound, upgrade your space!

BUILT TO LAST - Backed by a limited lifetime warranty, these plugs are a long-term investment in flawless sound.
EFFORTLESS SETUP - Closed screw design with dual screws ensures a rock-solid, no-slip connection every time.
COLOR CODED PRECISION - Polarity identification made simple with intuitive color-coded collars—never second guess your wiring.
PREMIUM SIGNAL CLARITY - 24K gold plating resists corrosion, delivering pristine audio quality for your home theater or sound system.
UNIVERSAL COMPATIBILITY - Works seamlessly with 12 to 18 AWG speaker wires, fitting a wide range of audio setups.

FosPower Banana Plugs come in a set of 12 pairs (24 pcs) featuring a closed screw design with dual screws for secure wire connections. Their 24K gold-plated connectors resist corrosion and ensure superior audio signal transmission. Compatible with 12-18 AWG speaker wires and color-coded for easy polarity identification, these plugs are ideal for home theaters, amplifiers, and surround sound systems. Backed by a limited lifetime warranty, they combine durability with professional-grade performance.

Specifications

ASIN	B06Y8YL2DM
Best Sellers Rank	#1 in Speaker Repair Products
Brand Name	FosPower
Cable Type	USB
Color	Closed Screw Banana Plugs
Compatible Devices	Amplifier, Speaker, Television
Compatible Phone Models	Jack
Connectivity Technology	Auxiliary
Connector Gender	Male
Connector Type	Usb
Customer Package Type	Standard Packaging
Customer Reviews	4.5 4.5 out of 5 stars (23,602)
Ethernet Cable Category	Cat 5
Gauge	18
Indoor Outdoor Usage	Indoor, Outdoor
Item Shape	Round
Item Weight	7.5 ounces
Manufacturer	FosPower
Maximum Voltage	30 volts
Model	FOSCBL-2313
Model Name	FosPower Banana Plugs
Number of Items	12
Number of Pins	1
Other Special Features of the Product	24k gold plated
Outer Material	Metal
Part Number	FOSCBL-2313
Recommended Uses For Product	For use with speakers, A/V receivers, amplifiers, surround sound systems, and banana wall plates that use banana style binding posts
UPC	813154023135

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Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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£44.85

Duties & taxes included

In stock

Sold byAmazon UKDelivered 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 UK.

Secure transaction

ProDesertcart PRO

Fast, free shipping, member pricing & priority support.

Join PRO →

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TrustScore 4.5 | 7,300+ reviews

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