The XLR connector is a high-quality metal-shielded type that actively locks into the microphone; The heavy-duty 6.35mm TRS connector features a 360-degree easy-to-grip pedal for frequent unplugging and durability. XLR pin 1 is connected to the 1 / 4 "plug sleeve, XLR pin 2 is connected to the 1 / 4" plug tip, and XLR pin 3 is connected to the 1 / 4 "plug ring. The balanced audio cable utilizes impedance balancing lines to reduce electromagnetic and RF noise, and to extend the effective range of the cable. Multi-layer shielding structure minimizes signal interference, ensures stable transmission, and minimizes hum and noise. High Strength Aluminum Die Cast Housing, Gold Plated Connection, 20awg Oxygen Free Copper Core for Pure Sound. from the mixer to the speaker. They are also widely used as signal cables for stage and studio audio applications. This balanced XLR cable is designed to convert a balanced XLR output to a balanced 1 / 4 “TRS input. These cables are often used as speaker leads for active speakers, transmitting audio signals.