4.5mm Audio Jack

Updated August 15, 2026

Overview

Product sourcing insights & recommendations

24 来源

I have completed the market research on the 4.5mm audio jack.

The research clarifies that the 4.5mm audio jack is a niche, legacy standard primarily used in flagship Sony Walkman models from the past decade. It is distinct from the modern 4.4mm Pentaconn standard used in today's high-end audio equipment. Currently, the market for 4.5mm jacks is focused on repair and preservation of legacy audiophile devices rather than new product development.

The detailed report below covers technical specifications, sourcing challenges, and comparison with modern standards to guide your product or sourcing decisions.

Based on the findings, here are the next steps you can take:

Pj 4.5 Audio Jack Connector For Sony Walkman Repair

Products · 3 lists

Headphone Jack 3.5mm PJ204 Audio Jack Audio Socket Single-row Double-breasted

$0.084.9(285)

MOQ: 500 pieces

Shenzhen Shouhan Technology Co., Ltd.verified🇨🇳CN9 yrs

2.5mm Headphone Jack PJ210 3Pin DIP PCB Female Audio Phone DC Jack Connector

$0.03-0.044.6(160)

MOQ: 1000 pieces

500+ store reviews13% reorder rate≤4h response time

Shenzhen Leixinrui Electronics Co., Ltd.verified🇨🇳CN5 yrs

Audio Connector,6.35mm 1/4" Mono Jack PCB Mount

$0.15-0.253.6(787)

MOQ: 1 piece

100+ store reviews20% reorder rate≤4h response time

Yueqing Jinshenghua Electronic Co., Ltd.verified🇨🇳CN13 yrs

3.5mm Audio Jack Plug Connector 3 Poles 4 Poles Gold Plated Male 3.5 Audio Stereo Jack

$0.05-0.084.8(95)

MOQ: 100 pieces

700+ store reviews25% reorder rate≤3h response time

Shenzhen Guozhi Electronic Co., Ltd.verified🇨🇳CN6 yrs

3.5mm Audio Jack Plug Connector 3 Poles 4 Poles Gold Plated Male 3.5 Audio Stereo Jack

$0.05-0.084.1(95)

MOQ: 100 pieces

Shenzhen Guozhi Electronic Co., Ltd.verified🇨🇳CN12 yrs

Deep Dive · Full Report

Full Market Report

1 document · Live-fetched from source

Sources & References

24 sources cited · Verified industry data & reports

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Reviews by IryxBRO | Headphone Reviews and Discussion

Head-Fi.org

It is silver-plated copper in transparent braid, twisted, with gold-plated 3.5mm audio jack| MMCX connectors and aluminum plug|connector housing. It also ...

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LinkedIn · Rome Alpha

Conversely, the 4.5mm jack, while less common, is tailored for specific applications such as professional audio equipment. Its robust design ...

Q1/Q2 01.01.2026

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