Barrel - Audio Connectors

Image Part Number Description / PDF Quantity Rfq
BPJR01AUX

BPJR01AUX

Switchcraft / Conxall

CONN RCA JACK MONO 3.2MM PNL MT

125

PJRAN2X1U01AUX

PJRAN2X1U01AUX

Switchcraft / Conxall

CONN RCA JACK MONO 3.2MM R/A

0

35RAPC7JS

35RAPC7JS

Switchcraft / Conxall

CONN JACK STEREO 3.5MM R/A

64

PXCRA

PXCRA

Switchcraft / Conxall

COMBO JACK, RA PC, ROHS

190

440X

440X

Switchcraft / Conxall

CONN PLUG MONO 6.35MM 2COND

48

PJRAS2X2S01AUX

PJRAS2X2S01AUX

Switchcraft / Conxall

CONN RCA JACK MONO 3.2MM R/A

400

480X

480X

Switchcraft / Conxall

CONN PLUG STEREO 5.23MM 3COND

83

PJRAN3X1U02X

PJRAN3X1U02X

Switchcraft / Conxall

CONN RCA JACK MONO 3.2MM R/A

82

35RAPC2BVN4

35RAPC2BVN4

Switchcraft / Conxall

CONN JACK STEREO 3.5MM R/A

125

MT332BX

MT332BX

Switchcraft / Conxall

CONN JACK STEREO 6.35MM PNL MNT

0

3558-2

3558-2

Switchcraft / Conxall

CONN RCA PLUG MONO 2COND

48

35FM3LS

35FM3LS

Switchcraft / Conxall

3.5MM JACK, PANEL MOUNT, STEREO,

183

L114BX

L114BX

Switchcraft / Conxall

CONN JACK STEREO 6.35MM PNL MNT

306

188

188

Switchcraft / Conxall

CONN PLUG MONO 6.35MM 2COND

78

N113BX

N113BX

Switchcraft / Conxall

CONN JACK STEREO 6.35MM PNL MNT

429

43A

43A

Switchcraft / Conxall

CONN JACK MONO 3.55MM PNL MNT

17

PJRAS1X2S01AUX

PJRAS1X2S01AUX

Switchcraft / Conxall

CONN RCA JACK MONO 3.2MM R/A

574

MT336CX

MT336CX

Switchcraft / Conxall

CONN JACK STEREO 6.35MM PNL MNT

3987

2P1216

2P1216

Switchcraft / Conxall

CONN PLUG MONO 6.35MM 2COND

46

142AX

142AX

Switchcraft / Conxall

CONN JACK MONO 3.55MM PNL MNT

9590

Barrel - Audio Connectors

1. Overview

Barrel audio connectors are cylindrical electro-mechanical interfaces primarily used for analog audio signal transmission or low-voltage power delivery. Defined by their coaxial structure with center pin and outer sleeve contacts, these connectors ensure reliable connectivity in audio equipment. Their importance in modern technology stems from their cost-effectiveness, durability, and ability to maintain signal integrity in critical applications ranging from consumer electronics to professional audio systems.

2. Major Types and Functional Classification

TypeFunctional CharacteristicsApplication Examples
Standard Barrel3.5mm/6.35mm diameter, unbalanced signal transmissionHeadphone jacks, guitar cables
Locking BarrelThreaded coupling mechanism for vibration resistanceStage monitoring systems
Miniature Barrel2.5mm/3.0mm size with compact designPortable audio devices
Bantam ConnectorDouble-row configuration for space-constrained panelsProfessional mixing consoles

3. Structure and Components

Typical construction includes: - Center Contact: Gold-plated phosphor bronze for signal transmission - Insulation Sleeve: High-temperature resistant thermoplastic - Outer Contact: Spring-loaded brass with EMI shielding - Housing: Nickel-plated brass or durable polymer The three-point contact design ensures mechanical stability while maintaining electrical continuity.

4. Key Technical Specifications

ParameterSignificance
Impedance (10k -1M )Affects signal fidelity in audio circuits
Contact Resistance ( 5m )Determines power transmission efficiency
Durability (5000+ cycles)Reliability indicator for frequent connections
Frequency Range (20Hz-20kHz)Audio signal bandwidth compatibility
Shielding Effectiveness ( 60dB)EMI/RFI interference reduction

5. Application Fields

  • Consumer Electronics: Smartphones, laptops
  • Professional Audio: Mixing consoles, studio monitors
  • Instrumentation: Electric guitars, synthesizers
  • Medical Devices: Patient monitoring systems

6. Leading Manufacturers and Products

ManufacturerRepresentative Product
Amphenol AudioNE800 Series Switchcraft jacks
NeutrikNCJ6FX nickel-plated connectors
SwitchcraftONA Series locking audio connectors
MolexMicro-Lock plus contact systems

7. Selection Recommendations

Consider: 1. Mechanical requirements (panel space, insertion force) 2. Electrical parameters (impedance matching, current rating) 3. Environmental factors (temperature range, corrosion resistance) 4. Termination type (solder vs. PCB mount) 5. Compliance standards (RoHS, REACH) For live sound applications, prioritize locking mechanisms and gold-plated contacts.

8. Industry Trends

Current trends include: - Miniaturization for wearable devices (sub-2mm designs) - Integration with digital signal paths (analog-digital hybrid connectors) - Enhanced shielding for 5G coexistence - Biodegradable polymer housing development - Smart connectors with integrated presence detection Market growth projected at 4.2% CAGR through 2027 driven by immersive audio technologies.

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