# CK6.35-309B-3P Audio Jack 1/4 Female Socket

Date: 2026-05-05
Categories: 6.35mm Phone Jack Series
URL: https://cenyutech.com/ck6-35-309b-3p-audio-jack-1-4-female-socket.html

## Product Summary

CK6.35-309B-3P is a 1/4 female audio jack built for stable signal transfer in PCB-based audio equipment. In the audio connector market, this type of 6.35mm phone jack is widely specified for guitar amplifiers, mixers, AV systems, instrument interfaces and other applications where dependable board-level connection is essential.

The 3 pin configuration makes it a practical choice for basic audio signal paths, especially in equipment that requires consistent contact performance and straightforward PCB integration. It is commonly used as a guitar amp input jack, headphone socket or general-purpose audio interface in both commercial products and custom electronic assemblies.

For buyers and product engineers, this PCB audio socket offers a balanced solution for compact installation, reliable mating and broad application compatibility. It is suitable for professional audio devices, consumer electronics and DIY audio projects that need a durable 1/4 female connector with stable electrical contact.

OEM/ODM support is available for customized production requirements.

### Specification Table:

PRODUCT NAME
1/4 Inch Female Headphone Jack

MODEL
CK6.35-309B-3P

PIN
3 PIN

RATED LOAD
30V DC 1.0A

CONTACT RESISTANCE
≤ 0.030

WITHSTAND VOLTAGE
500V, AC/min

TEMPERATURE
-30℃~+70℃

LIFE
5000 time

TERMINAL STRENGTH
5N ~ 30N

Color
Black

### 3 Pin vs 4 Pin vs 7 Pin Audio Jack difference:

Type
Function
Application

3 Pin
Basic audio
Guitar

4 Pin
Stereo
Mixer

7 Pin
Switching/control
Pro audio

### Applications:

- Electric guitars

- Amplifiers

- Audio equipment

- DIY electronics

- AV systems

Widely used in PCB-based audio devices and electronic systems requiring stable signal transmission.

### Why Choose Our Audio Connector:

- Professional connector manufacturer

- OEM / ODM customization

- Strict quality control

- Fast delivery

- Competitive factory pricing

- 6.35mm 3 pin headphone jack PCB mount supplier

- 1/4 inch mono [audio jack](https://cenyutech.com/tag/audio-jack) connector manufacturer

- audio jack PCB connector factory China

- 3 pin headphone jack for amplifier

- buy 6.35mm audio jack in bulk

![CK6.35-309B-3P 6.35mm 3 pin headphone jack PCB mount socket](https://cenyutech.com/wp-content/uploads/2026/04/20260403225953123627.webp)

![CK6.35-309B-3P 6.35mm 3 pin headphone jack PCB mount socket](https://cenyutech.com/wp-content/uploads/2026/04/20260403225952052138.webp)

![CK6.35-309B-3P 6.35mm 3 pin headphone jack PCB mount socket](https://cenyutech.com/wp-content/uploads/2026/04/20260403225951261978.webp)

### FAQ:

**Q1: What is a 6.35mm 3 pin PCB mount headphone jack?**It is a standard [audio connector](https://cenyutech.com/tag/audio-connector) used for mono signal transmission, designed to be soldered directly onto a PCB for stable and compact connections.

**Q2: What is a 3 pin headphone jack used for?**It is mainly used for mono audio transmission in guitars, amplifiers, and audio equipment.

**Q3: What is the difference between PCB mount and panel mount jack?**PCB mount jacks are soldered onto circuit boards, while panel mount jacks are installed on device enclosures.

**Q4: Is 6.35mm the same as 1/4 inch?**Yes, 6.35mm equals 1/4 inch and is standard in professional audio systems.

**Q5: Can this jack be used in guitar amplifiers?**Yes, it is widely used in guitar and amplifier input circuits.