AMP-1 Professional Headphone Amplifier Converter XLR To 35MM Audio Interface Portable Headphone Amplifier Converter Clip Mount D-shaped Soft Ear Hook Headphone 3.5mm Plug Dual Channel Single Side Headset For Laptop PC Skype Voip ICQ Features: 1.No PTT or microphone: No PTT or microphone, this is for listening only. 2.Single pin 3.5mm plug: With a single pin 3.5mm jack, suitable for any ear. 3.Extraordinary comfort: Fits the outside of the ear, providing exceptional comfort. 4.The ergonomic design brings comfort to your ears. 5.Ideal for use in police, military, nightclubs, bars, paintballs, security guards, restaurants, hotels, bodyguards, warehouses, and noisy environments. Parameter: Style: Ear loop Communication: Wired Function: noise reduction Connector: 3.5 mm Sensitivity: 87 dB Length: 100 cm/39.37 inches Resistance: 32 Waterproof: Yes Speaker size: 19mm Impedance: 32 ohms Frequency response: 20hz-20khz Color: Black Material: ABS Package include: 1 * Single listening headset (excluding accessories in other pictures) Be careful: 1.Due to manual measurement, please allow a difference of 0-2 cm. 2.Due to different displays and different lights, images may not display the actual color of the item. AMP-1 Professional Headphone Amplifier Converter XLR To 3.5MM Audio Interface Mini Portable HIFI Headphone Amplifier Converter WIth Clip Mount Usage: 1.Please keep the volumes control ofthe headset and plaver to a minimum before connecting. the input plug of the headset volumes controller to the output of the player. 3.Connect the headphone plug to the output socket of the headset volumes controller. (if you use a headset other than a 3.5mm stereo mini plug,be sure to configure the appropriate adapter.) 4.Adiust the volumes ofthe player and headset volumes controller to the appropriate setting tolisten to the appropriate volumes. This headphone amplifier converter is portable, conversion+control, with no other function. Features: 1.[ Plug and play ] Connected to the device interface can be used, without external power supply, simple operation 2.[ Separate volume control ] with output volume control, you can adjust the ideal monitoring volume according to your preferences 3.[ XLR Stereo input ] The XLR input connection has a locking structure in case of accidental cable disconnection. Just press the label next to the bottom mounting connector to release the cable at the end 4.[ Standard 3.5MM headphone output ] Metal 3.5MM headphone output interface can be easily connected to conventional earbuds or professional monitoring headphones, bringing you a clear music experience 5.[ Small and easy to carry ] You can put it in your pocket, clip it in your jacket pocket/backpack strap or use a lanyard to easily hang it on your chest Specifications: Weight: 150g Material: Aluminum alloy Size: 9.1*2.5*3cm Interface: 3.5mm/XLR Packing list: 1* Earphone power amplifier converter +1*XLR Cannon connector +1* Manual _x000D_