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4mm Double Banana Plug Speaker Socket
Product code: 21378
- Double speaker socket for 4 mm banana plugs is a practical solution for quick and secure connection of audio cables. Ensures stable connection and minimal signal loss. Ideal for hi-fi sets and public address installations.
Socket for Banana Plugs - Professional Connection of Your Equipment

Professional connector for audio systems, loudspeakers and test stands
Double banana type speaker socket is a high-quality connector designed for installation in amplifier panels, loudspeakers, meters and measuring devices. With 4mm standard and solid materials, it provides reliability, safety and excellent signal transmission quality.
Technical specifications:
- Mounting hole spacing: 19.5 mm
- Overall length: 40.5 mm
- Width (max): 34.5 mm
- Connector bore diameter: 4 mm - standard for banana plugs
- Thread diameter: 4.6 mm
- Colors: red (positive) and black (negative)
- Connector material: gold-plated brass - increased conductivity
- Insulation: durable ABS plastic
- Connection type: screw - convenient cable attachment
Key benefits:
- Compatibility: fits most standard cables and 4mm banana plugs
- Safety: robust insulation and durable seating of connectors
- Durability: resistant to high temperature, abrasion and oxidation
- Distinctive colors: quick identification of polarity
- Easy panel assembly: m5 type threaded holes with nuts
Application:
- Amplifier and speaker connections
- Laboratory and test stands
- DIY audio and measurement equipment
- Educational and training installations
Directions for use and safety:
- Make sure the wires are properly insulated before installation.
- Do not use the product with damaged insulator or threads.
- Always check correct polarity before connecting a power source.
- Do not exceed the nominal load current suggested by the equipment manufacturer.
Compact and reliable - ready for professional applications
This double banana socket is an excellent choice for high-quality audio enthusiasts and service and prototyping professionals. Whether you're building a DIY amplifier, installing new speakers, or configuring measurement equipment, this connector will provide a stable and secure connection.
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Brand
Entity responsible for this product in the EU
Wide Top Industrial LimitedMore
ProducerWide Top Industrial LimitedAddress:
DongYuan Road, Woshi, Qiaodong Street,Xiangqiao District ,Chaozhou No 32Postal Code: NO 41-47City: ChaozhouCountry: ChinaPhone number: +86-13715708628E-mail: wide@aliyun.com
Responsible entityABC-RC Firma LedaAddress:
Judy Tadeusza 9Postal Code: 34-122City: NidekCountry: PolandPhone number: 333-003-080E-mail: pomoc@abc-rc.pl
Symbol
21378
Producer code
5904384777112
Brand
Inna
Status
New
Manufacturer
unbranded
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