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 Banana Plugs 12 Pairs / 24 pcs, Closed Screw 24K Gold Plated Banana Speaker Plug Connectors for Speaker Wire, Wall Plate, Home Theater, Audio/Video Receiver, Amplifiers and Sound Systems

Product ID: 51241209

Details

Brand
FosPower
Compatible devices
Amplifier
Compatible phone models
Not Compatible
Connector type
screw
Special feature
Gold Plated

🔆24K gold plated corrosion resistance

🔧Dual screw secure fit

🎛️Fits 12-18 AWG speaker wire

€ 60.22

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Description

🎧 Plug into perfection — because your sound deserves the gold standard!

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 collar eliminates guesswork, so your speakers always sound their best.
PREMIUM SIGNAL CLARITY - 24K gold plating resists corrosion, delivering pristine audio performance for your home theater.
UNIVERSAL COMPATIBILITY - Works seamlessly with 12 to 18 AWG speaker wires—perfect for any sound system upgrade.

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

Specifications

ASIN	B06Y8YL2DM
Best Sellers Rank	13 in Audio & Video Adapters
Brand	FosPower
Colour	Closed Screw
Compatible Devices	Amplifier, Speaker, Television
Compatible Phone Models	Not Compatible with Phone Models
Connector Gender	Male
Connector Type	screw
Country Of Origin	China
Customer Package Type	Standard Packaging
Customer Reviews	4.6 4.6 out of 5 stars (22,832)
Ethernet Cable Category	Cat 5
Gauge	18.0
Indoor Outdoor Usage	Indoor
Item Shape	Round
Item Weight	0.01 Ounces
Manufacturer	Fospower
Manufacturer Part Number	FOSCBL-2313
Maximum Voltage	30 Volts
Model Name	FosPower Banana Plugs
Model Number	FOSCBL-2313
Number of Items	24
Number of Pins	1
Other Special Features of the Product	Gold Plated Connector
Outer Material	Metal
Recommended Uses For Product	Television, Amplifier, Speaker, A/V receivers, surround sound systems, banana wall plates, and speaker wire
UPC	813154023135

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€ 60.22

Duties & taxes included

In stock

Sold byAmazon CroatiaDelivered 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 Croatia.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Ayesha M.

The product exactly matches the description. Very satisfied with my purchase.

5 days ago

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Received my product in pristine condition. Great service overall.

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