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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Banana Plugs 5 Pairs / 10pcs Closed Screw 24K Gold Plated Speaker Plug Connector for Speaker Wire, Wall Plate, Home Theater, Audio/Video Receivers, Amplifiers, Sound Systems

Product ID: 733433294

Details

Brand
FosPower
Cable Type
スピーカーケーブル。
Compatible Devices
Speaker
Connector Type
Banana Plugs
Special Feature
IDENTIFY

🎯Fits 12-18 AWG wires perfectly

🔒Dual screw secure grip

🔶24K gold-plated corrosion resistance

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408 zł

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Sold byAmazon PolandDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

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

ROCK SOLID CONNECTION - Dual set screws lock wires in place, eliminating signal dropouts and shorts.
LIFETIME PEACE OF MIND - Backed by FosPower’s limited lifetime warranty—upgrade your sound worry-free.
EFFORTLESS INSTALLATION - Closed-back design with color-coded plugs makes hooking up your system a breeze.
UNIVERSAL COMPATIBILITY - Seamlessly fits speaker wires from 12 to 18 AWG for versatile home theater setups.
PREMIUM 24 K GOLD PLATING - Corrosion-resistant connectors ensure crystal-clear audio and long-lasting performance.

FosPower Banana Plugs (5 pairs) feature a closed-back design with dual screws for secure, short-circuit-free connections. Their 24K gold-plated 6-leaf connectors resist corrosion and provide a strong grip, compatible with 12-18 AWG speaker wires. Ideal for home theaters and audio systems, these plugs simplify installation and come with a limited lifetime warranty.

Specifications

ASIN	B0C3WKLL2R
Batteries Included	No
Batteries Required	No
Brand	FosPower
Cable Type	スピーカーケーブル。
Color Name	gold
Compatible Devices	Speaker
Connectivity Technology	[Speaker Connection]
Connector Gender	Male-to-Male
Customer Reviews	4.3 4.3 out of 5 stars (193)
Date First Available	May 8, 2023
Finish Type	Frosted
Item Model Number	FOSCBL-2424PD
Item Shape	Round
Item model number	FOSCBL-2424PD
Manufacturer	FosPower
Package Dimensions	18.8 x 17.4 x 1.3 cm; 90 g
Size	5 Pairs / 10 pcs
Special Features	IDENTIFY

Reviews

V**R

Perfect and great price

30.12.2025

A**R

Excellent product!

22.12.2025

A**R

I love it. Quality great. Easy to put on. Fast delivery. Works very well putting behind speakers. Fit very tight. I like them some much i order another set of 10..

17.12.2025

R**B

fit well. Just what i needed.

16.12.2025

M**H

Nice product, easy to assemble

29.12.2025

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408 zł

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In stock

Sold byAmazon PolandDelivered 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 Poland.

Secure transaction

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