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

EFFORTLESS SETUP - Solderless design with dual screws for a rock-solid connection every time
PREMIUM DURABILITY - 24K gold-plated connectors ensure long-lasting corrosion resistance and pristine signal clarity
LIFETIME CONFIDENCE - Backed by a limited lifetime warranty—invest once, enjoy forever
COLOR CODED PRECISION - Easy polarity identification to eliminate wiring errors and optimize sound performance
UNIVERSAL COMPATIBILITY - Fits a wide range of speaker wires from 12 to 18 AWG—perfect for any home audio setup

FosPower’s 4-piece banana plug set features a solderless, dual-screw design with 24K gold plating for corrosion resistance and superior conductivity. Compatible with 12-18 AWG speaker wires and color-coded for easy polarity matching, these connectors simplify installation and ensure a secure, high-quality audio connection. Comes with a limited lifetime warranty for lasting peace of mind.

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Display Size	6 Inches
Connector Gender	Male-to-Female
Compatible Devices	Speaker
Color Name	gold
Item Shape	Round
Finish Type	Gold
Batteries Included	No
Batteries Required	No
Brand	FosPower
Manufacturer	FosPower
Item Model Number	FOSCBL-2312
Special Features	24K Gold Plated
Connectivity Technology	Banana Plugs
Size	4本セット / 2 ペア
Cable Type	Speaker
Product Dimensions	9.65 x 7.62 x 0.76 cm; 34.02 g
Item Weight	1.2 Ounces

FosPower (4本セット / 2ペア) バナナプラグコネクタ【ねじ込み式 / 24k 金メッキ/金属シェル】ソルダーレススピーカーケーブル/スピーカーワイヤー/壁プレート用

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FosPower (4本セット / 2ペア) バナナプラグ コネクタ【ねじ込み式 / 24k 金メッキ/金属シェル】ソルダーレス スピーカーケーブル/スピーカーワイヤー/壁プレート用

Details

Description

Specifications

Have a Question? See What Others Asked

Common Questions

FosPower (4本セット / 2ペア) バナナプラグコネクタ【ねじ込み式 / 24k 金メッキ/金属シェル】ソルダーレススピーカーケーブル/スピーカーワイヤー/壁プレート用