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.

FosPower Banana Plugs 2 Pairs / 4 pcs, Closed Screw 24K Gold Plated Banana Speaker Plug Connectors for Speaker Wire, Wall Plate, Home Theater, Audio/Video Receiver, Amplifiers and Sound Systems

FosPower Banana Plugs 2 Pairs / 4 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: 261568051

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Details

Brand
FosPower
Cable type
Speaker
Compatible devices
Speaker
Connector type
screw
Special features
Gold plated

🔧Dual screw secure fit

🟡24K gold plated corrosion-proof

🎛️Supports 12-18 AWG wire sizes

Description

🎧 Plug into perfection with FosPower’s gold standard connectors!

PREMIUM GOLD PLATING - 24K gold connectors resist corrosion for crystal-clear sound longevity.
ROCK SOLID CONNECTION - Dual screws lock wires in place, eliminating signal dropouts and shorts.
LIFETIME PEACE OF MIND - Backed by FosPower’s limited lifetime warranty for worry-free use.
UNIVERSAL COMPATIBILITY - Fits 12AWG to 18AWG speaker wires—perfect for any setup.
EFFORTLESS SPEAKER SETUP - Quick, no-fuss installation for your home theater or audio system.

FosPower Banana Plugs come in 2 pairs with 24K gold-plated connectors and a closed screw design that isolates wires and prevents shorts. Compatible with 12-18 AWG speaker wire, these plugs ensure secure, corrosion-resistant connections for home theater, amplifiers, and surround sound systems. Featuring dual screws for a rock-solid grip and color-coded collars for easy polarity identification, they deliver professional-grade audio performance backed by a limited lifetime warranty.

Specifications

ASIN	B06Y6CQCX1
Brand	FosPower
Brand Name	FosPower
Cable Type	Speaker
Cable type	Speaker
Color	Closed Screw
Compatible Devices	Speaker
Compatible Phone Models	Probably compatible with smartphones, specific models not listed
Compatible devices	Speaker
Compatible phone models	Probably compatible with smartphones, specific models not listed
Connectivity Technology	Banana Plug
Connector Gender	Male-to-Male
Connector Type	screw
Connector type	screw
Customer Package Type	FFP
Customer Reviews	4.5 out of 5 stars 5,407 Reviews
Ethernet Cable Category	Cat 5
Indoor Outdoor Usage	Indoor
Item Shape	Round
Item Weight	1.2 Ounces
Manufacturer	FosPower
Maximum Voltage	300 Volts
Model	FOSCBL-2312
Model Name	Closed Banana Plugs for Speaker Wire, Gold Plated Connectors with Dual Screws
Number of Items	4
Number of Pins	4
Other Special Features of the Product	Gold plated
Outer Material	Metal, possibly zinc alloy
Recommended Uses For Product	Home Theater, Audio Systems, Speaker Installations
Special features	Gold plated
Specification Met	RoHS
UPC	813154023128
Unit Count	4.0 Count

Reviews

A**R

Great!

15.01.2026

M**K

Good

26.03.2026

M**L

Game changer

15.06.2025

J**S

Matériel de qualité

4.02.2026

G**I

Ottimi connettori ad un prezzo onestissimo

Molto soddisfatto dell' acquisto. Connettori a banana, solidi, doppia vite per fissare il cavo. Terminali placcati oro. Resa audio senza disturbi o problemi. Molto pratici per collegare i diffusori. Presi con Amazon renewed ad un prezzo incredibile.

27.10.2025

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