Welcome to Shenzhen BSP Technology Co., Ltd.
BSPoo – LED control systems and AV connectivity
Select category
  • Select category
  • Cables & Connectors
    • Cables
      • SDI Cables
      • Audio Cables
      • Network Cables
    • Connectors & Adapters
      • Audio DMX Adapters
        • Metal Adapters
        • Plastic Adapters
      • Signal Converters and Extenders
      • Optical Fiber
        • MPO Fiber
        • Connector Accessories
        • LC Fiber
      • RJ45 Connectors
        • Connector Accessories
        • 05 Series IP65
        • 01 Series Non-waterproof
        • 02 Series IP65
      • Capture Cards
      • BNC Connectors
        • 75Ω UHD
        • 75Ω HD
      • XLR Connectors
        • Connector Accessories
        • H Series
        • S Series
        • M Series
        • W Series IP65
      • Jack Connectors
        • 3.5mm Plugs & Jacks
        • 1/4" Plugs & Jacks
      • RCA Connectors
        • RCA Sockets
        • RCA Plugs
      • Speaker Connectors
        • Connector Accessories
        • 4 Pin Loudspeaker Connectors
      • Power Connectors
        • NW Series IP65
        • G Series IP65
        • X Series IP67
        • X Series IP65
        • Connector Accessories
        • Indoor Series Non-waterproof
      • Data Connectors
        • USB Connectors
  • LED Control System
    • Amoonsky
      • Video Controller
    • Sprolink
      • Video Controller
    • Magnimage
      • Video Controller
      • LED Controller
    • Vdwall
      • Video Controller
    • Novastar
      • Media Server
      • LED Controller
      • Video Controller
      • Receiving Card
      • Taurus Series
      • Accessories
    • Linsn
      • Accessories
      • LED Controller
      • Video Controller
      • Receiving Card
      • Media Player
    • Colorlight
      • LED Controller
      • Video Controller
      • Receiving Card
      • Media Player
    • Huidu
      • LED Controller
      • Receiving Card
      • Media Player
  • Accessories
    • Ribbon Cables
    • Presentation Remotes
    • Power Supply
      • G-Energy
      • Rong
      • Meanwell
      • Czcl
    • Cable Drums
WA
Product & project enquiries
WhatsApp Sales
0 items / $0.00
Menu
BSPoo – LED control systems and AV connectivity
0 items / $0.00
Browse Categories
  • LED Control System
  • Cables
  • Connectors & Adapters
  • Snakes
  • Accessories
  • Home
  • Store
  • Product Categories
    • LED Controllers & Media Players
    • LED Receiving Cards
    • Video Processors & Controllers
    • Cables
    • AV Converters & Capture
    • Power Supplies & Accessories
  • Brands
    • NovaStar
    • Colorlight
    • Huidu
    • Linsn
    • Magnimage
    • VDWALL
    • Sprolink
    • Amoonsky
    • PTN
    • Seetronic — Connectors
  • Support
    • About us
    • Shipping & Order Support
    • Returns & Refunds
    • Equipment Selection Guide
  • Contact
Login / Register
0 Wishlist
0 Compare
BSP Seetronic ST231L BG 01
Click to enlarge
Home Cables & Connectors Connectors & Adapters Jack Connectors 3.5mm Plugs & Jacks Seetronic ST231L-BG 3.5mm Stereo Audio Plug, Black
Seetronic SO4DF LC Fiber Chassis Connector IP65 $62.45
Back to products
Seetronic ST301 4-Pin Speaker Twist Coupler Adapter $9.17
Seetronic

Seetronic ST231L-BG 3.5mm Stereo Audio Plug, Black

$1.79

• 5mm stereo slim plug, chuck type strain relief verified countless times
• Black plated housing, gold plated contacts, fine surface treatment
• Exquisite design for best handling convenience
• Cable O.D. 2-6mm, tailored for professional headphones

Minimum order: 40 pieces per model. Price shown is per piece.

Compare
Add to wishlist
SKU: BSP-SEE-ST231L-BG Category: 3.5mm Plugs & Jacks
Share:
  • Description
  • Additional information
  • About brand
Description

PRODUCT FEATURES

• 5mm stereo slim plug, chuck type strain relief verified countless times
• Black plated housing, gold plated contacts, fine surface treatment
• Exquisite design for best handling convenience
• Cable O.D. 2-6mm, tailored for professional headphones

TECHNICAL SPECIFICATIONS

ELECTRICAL PARAMETERS

Rated Voltage: < 50 V Contact Resistance: subject on mating connector Dielectric Strength: 1000 V DC Insulation Resistance: > 2 GΩ

MECHANICAL PARAMETERS

Service Life: > 1000 mating cycles

Cable OD: 2-6 mm

MATERIAL AND ENVIRONMENTAL PARAMETERS

Housing: Zinc alloy

Contacts: Brass

Contact surface: Au

Housing Electroplating: Black plating

Temperature range: -20°C ~ +65°C

STANDARDS AND CERTIFICATIONS

Solderability: IEC 68-2-20

Description

The ST231L-BG is a high-quality 3.5mm stereo slim plug, designed specifically for professional audio applications such as high-performance headphones. Manufactured with precision and durability in mind, the ST231L-BG features a robust, black-plated housing and gold-plated contacts, ensuring optimal signal transfer and long-lasting performance. Its design includes strain relief verified through rigorous testing, offering secure connections even during extended use.

Key Features:

• 3.5mm Stereo Slim Plug : Ideal for professional audio solutions, including high-end headphones.

• Chuck-Type Strain Relief : Verified through extensive testing to ensure cable security and durability.

• High-Quality Plating : Black-plated housing with gold-plated contacts for superior connectivity and aesthetic appeal.

• Optimized for Convenience : The sleek and ergonomic design guarantees ease of handling and installation.

• Wide Cable Compatibility : Suitable for cables with outer diameters (OD) ranging from 2mm to 6mm.

Electrical Specifications:

• Rated Voltage : < 50 V • Dielectric Strength : Up to 1000V DC • Insulation Resistance : > 2 GΩ

• Contact Resistance : Dependent on the mating connector

Mechanical Specifications:

• Service Life : Greater than 1000 mating cycles

• Cable OD Range : 2mm to 6mm

Material and Environmental Specifications:

• Housing Material : Zinc alloy with black plating

• Contacts Material : Brass with Au (Gold) surface finish

• Temperature Range : -20°C to +65°C

• Solderability : Designed to meet IEC 68-2-20 standards for reliable connections

Packaging Information:

• Contents : 1 piece per bag, includes inner core assembly, housing, and transparent insulation tube.

• Carton Specifications : 100 pcs per inner carton, 500 pcs per master carton.

This highly refined connector plug by Seetronic ensures reliable performance, elegant design, and adaptability for a range of professional audio applications.

TECHNICAL DOWNLOAD

English manufacturer data sheet (PDF)

https://www.bspoo.com/wp-content/uploads/2026/10/BSP-Seetronic-ST231L-BG-English-Data-Sheet.pdf

ORDERING INFORMATION

Minimum order: 40 pieces of this model. Price shown is per piece. Confirm the exact model, mating connector and cable dimensions before ordering.

Product and order enquiries: https://www.bspoo.com/contact-us/

Shipping and order support: https://www.bspoo.com/shipping-order-support/

Additional information
Weight 0.03 kg
Brand

Seetronic

Model

ST231L-BG

About brand
Browse Seetronic XLR, power, speaker, RJ45, BNC, RCA, data and optical fiber connectors, plus connector adapters and accessories. Choose the connector type and series to match your equipment.

Related products

Compare

Seetronic M2TP3C 3.5mm Audio Plug

3.5mm Plugs & Jacks
$1.75
• Corrosion-Resistant Finish: Chrome-plated housing and nickel-plated brass contacts maintain reliable performance and appearance over time. • Superior Cable Protection: Clamping plate and plastic sealing sleeve work together to prevent strain, pull-out, and cable damage. • Compact, Space-Saving Profile: Slim 9.75mm diameter design fits easily into tight enclosures and space-limited assemblies. • Long Service Life: Rated for over 1,000 mating cycles, ensuring consistent performance through repeated use. • High Insulation Safety: 1000V DC dielectric strength and >2 GΩ insulation resistance provide dependable electrical safety. • Wide Environmental Tolerance: Operates reliably across a broad -30°C to +80°C temperature range. Minimum order: 40 pieces per model. Price shown is per piece.
Add to wishlist
Add to cart
Quick view
Compare

Seetronic MTP3RC-BG 3.5mm Stereo Audio Plug, Black

3.5mm Plugs & Jacks
$2.15
• 3.5mm right-angle stereo plug • Black plated housing, gold plated contacts, fine surface treatment • Cable O.D.: 2-4.5mm Minimum order: 40 pieces per model. Price shown is per piece.
Add to wishlist
Add to cart
Quick view
Compare

Seetronic MTP3C 3.5mm Stereo Audio Plug, Pearl Chrome

3.5mm Plugs & Jacks
$1.79
• 3.5mm stereo slim plug, chuck type strain relief verified countless times • Pearl chrome plated shell, nickel plated contact, fine surface treatment • Exquisite design for best handling convenience • Cable O.D. 3.5-6.5mm, tailored for professional headphones Minimum order: 40 pieces per model. Price shown is per piece.
Add to wishlist
Add to cart
Quick view
Compare

Seetronic MTP3C-BG 3.5mm Stereo Audio Plug, Black

3.5mm Plugs & Jacks
$2.15
• 3.5mm stereo slim plug, chuck type strain relief verified countless times • Black plated shell, gold plated contacts, fine surface treatment • Exquisite design for best handling convenience • Cable O.D. 3.5-6.5mm, tailored for professional headphones Minimum order: 40 pieces per model. Price shown is per piece.
Add to wishlist
Add to cart
Quick view

FREE SHIPPING

Carrier information

ONLINE PAYMENT

Payment methods

24/7 SUPPORT

Unlimited help desk

100% SAFE

View our benefits

FREE RETURNS

Track or off orders

BSPoo – LED control systems and AV connectivity
  • Shenzhen, Guangdong, China
  • WhatsApp Sales
    +86 176 0301 0107
  • Email our team
    [email protected]
OUR STORES
  • LED Control System
  • Cables
  • Connectors & Adapters
  • Snakes
  • Accessories
USEFUL LINKS
  • My Account
  • Compare
  • Wishlist
  • Returns & Refunds
  • Privacy Policy
FOOTER MENU
  • Home
  • Store
  • Blog
  • About us
  • Contact us
retail-2-footer-icon

Join Our Newsletter Now

Be the First to Know. Sign up to newsletter today

2025 CREATED BY Shenzhen BSP Technology Co., Ltd.
payments
  • Menu
  • Categories
  • LED Control System
  • Cables
  • Connectors & Adapters
  • Snakes
  • Accessories
  • Home
  • Store
  • Product Categories
    • LED Controllers & Media Players
    • LED Receiving Cards
    • Video Processors & Controllers
    • Cables
    • AV Converters & Capture
    • Power Supplies & Accessories
  • Brands
    • NovaStar
    • Colorlight
    • Huidu
    • Linsn
    • Magnimage
    • VDWALL
    • Sprolink
    • Amoonsky
    • PTN
    • Seetronic — Connectors
  • Support
    • About us
    • Shipping & Order Support
    • Returns & Refunds
    • Equipment Selection Guide
  • Contact
Shopping cart
close

Sign in

close

Lost your password?

No account yet?

Create an Account