Specification Brand : XMSJSIY BulletPoint1 : This portable headphone amplifier converter facilitates the transition from XLR to a 3.5mm audio interface, enabling a broad spectrum of audio devices equipped with XLR interfaces to be connected. It is equipped with volume adjustment knobs to ensure a high-quality listening experience. BulletPoint2 : The XLR to 3.5mm earphone amplifier features an aluminum alloy case that dissipates heat quickly and is durable and resistant to drops. It provides shielded anti-interference, lossless transmission, noise-free, and current-free sound to ensure the highest quality audio output. The XLR input interface comes with a locking mechanism to prevent accidental disconnection of the cable. BulletPoint3 : This portable Monitor Amplifier stereo volume control converter is equipped with a volume adjustment knob that facilitates precise control and customization of the audio level, enabling users to tailor the monitor volume according to their preferences for an optimal listening experience. BulletPoint4 : Plug and play, simple operation, compact design, no need for power. This earphone amp is equipped with a waist clip for enhanced convenience and portability, enabling users to enjoy high-quality audio while on the move. BulletPoint5 : The 3.5MM headphone outlet can be easily connected to ordinary earplugs or professional monitoring headphones, and the XLR input port is connected to a variety of audio devices, achieving seamless connection with a variety of sound devices, which is ideal for band performances, recording, live singing and personal listening. IncludedComponents : adapter ItemName : XMSJSIY Monitor Amplifier Headphone Amp Stereo Headphone Earphone with XLR/6.35mm Input 3.5mm Output Converter Portable/Audio Volume Control for Keyboardists, Drummers, Guitar-1 Pcs ItemPackageDimensions_Height : 0.5 inches ItemPackageDimensions_Length : 3.9 inches ItemPackageDimensions_Width : 3 inches ItemTypeKeyword : electronic-component-audio-amplifiers Manufacturer : Yingtuyou jiaju NumberOfItems : 1 PartNumber : AIOP23 ProductDescription : 1. Portable design: The small and lightweight headphone amplifier converter is easy for users to carry with them, allowing them to 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 ensure long life. 3. No power required: The headphone amplifier converter can be connected directly to the sound device without the need for a power supply. The operation is simple, convenient and fast. 4. Secure connection: The XLR input has a locking mechanism to prevent accidental cable disconnection. Simply press the label near the bottom-mounted connector to release the cable. 5. Multi-functional compatibility: The XLR interface is converted to 3.5mm sound interface, allowing users to connect various sound devices with strong compatibility. 6. Easy to operate: directly connected audio equipment, no power supply, simple, convenient and fast to use. 7. Easy to carry: The earphone amplifier is equipped with a waist clip, which can be tied to the belt or waistband, easy to use and carry 8. Precise volume control: The volume knob allows precise control and adjustment of volume to ensure optimal sound quality. Specification: Product Type: XLR to 3.5mm headphone volume controller Material: Metal Application program: 1. Before connecting, please turn the volume of the headset and player to the minimum. 2. Connect the input plug of the headset volume controller to the output of the player. 3. Connect the headphone plug to the output socket of the headphone volume controller. (If your headphones don't have a 3.5mm stereo mini plug, make sure to use the appropriate adapter.) 4. Adjust the volume of the player and headset volume controller to the appropriate Settings to listen at the correct volume. PackageList: 1 * XLR adapter 1 * headphone amplifier 1 * Instruction Manual