XLR to 3.5 mm headphone amplifier has an aluminium alloy housing that dissipates heat quickly and is and shockproof. It provides shielded anti-interference, lossless transmission, noise-free and power free sound to the highest audio quality. The XLR input interface comes with a locking mechanism to prevent accidental disconnection of the cable Portable monitor amplifier stereo volume control is equipped with a volume control that allows precise control and adjustment of the audio level, allowing users to adjust the monitor volume according to their preferences for an optimal listening experience. Plug and play, easy operation, compact design, no need for electricity. This headphone amplifier is equipped with a waist clip for increased comfort and portability, allowing users to enjoy high-quality audio while you're 3.5 mm headphone output can be easily connected to ordinary earplugs or professional surveillance headphones, and the XLR input port is connected to a variety of audio devices, achieving a seamless connection with a variety of , which is ideal for band performances, recording, live vocals and personal listening 1. Portable design: The small and headphone amplifier converter is easy for users to carry with them, so they can enjoy high-quality sound on the road and meet their travel needs. 2. Structure: Made of strong and material, the converter effectively prevents accidents such as falls and collisions to . 3. No power supply required: The headphone amplifier converter can be connected directly to the sound device without the need for power supply. The operation is simple, convenient and fast. 4. Secure connection: The XLR input has a locking mechanism to prevent accidental disconnection of the cable. Simply the label near the bottom mounted connector to release the c. Multifunctional compatibility: The XLR interface is converted to 3.5 mm sound interface, so that users can connect different with strong compatibility. Easy to use: directly connected audio device, no power supply, simple, convenient and quick to use. Easy to carry: The headphone amplifier is equipped with a waist clip, which can be tied to the belt or waistband, easy to use and wear Precise volume control: The volume control allows precise control and adjustment of the volume to optimal sound quality. Application program 1. Before connecting, please adjust the volume of the headset and player to a minimum. 2. Connect the input plug of the headset volume control to the output of the player. 3. Connect the headphone jack to the output jack of the headphone volume control. (If your headphones do not have a 3.5mm stereo mini plug, make sure you use the appropriate adapter.) 4. Adjust the volume of the player and headset volume control to the appropriate settings to listen at the correct volume. Color: black Material: Metal Package Contents: 1 * Headphone Amplifier 1 * Instruction Manual (English) 1 * XLR Cannon connector Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.