3-core 28AWG tinned copper with aluminum foil braided double shield, OD 4mm. The extension wire is easily connected, and can be easily connected and secured using only one screw without welding. Flexible terminal extension. The terminal can be connected to an external audio wire to transmit and extend the audio signal. To help you achieve long-distance audio output, this connection is ideal for indoor and outdoor stages. Excellent sound transmission for all your professional audio needs. Ideal for use in recording studio, live performance and broadcast environments. Whether you are a professional sound engineer or an audio enthusiast, this cable is a must-have accessory for connecting high-quality audio devices. It's perfect for connecting microphones, headphones, and other audio devices to your mixing console or audio interface. Suitable for digital SLR cameras, microphones, audio mixers, recorders, other equipment to Fanny pack transmitters, and other professional audio equipment with stereo and Mini XLR connectors. External MP3s, galaxy series, i-Pads, i-phones and other smartphones, laptops, DJ equipment, Sennheiser transmitters/receivers can also be transferred to Sound Devices mixers. 12 Inch Mini XLR Terminal Block Cable