【High power】 High power of headphone amplifier suited for high impedance professional headphone, make sure there is enough volume in noisy surroundings. 【Professional in-ear monitor】 Outstanding technical, sonic characteristics, high audio reproduction and no audio rendering for professional personal in-ear monitor. 【Practical interface】 XLR and TRS input connector with locking mechanism, Stereo/mono source switch depending on cable connection.Two independent headphone output,can be used simultaneously with two pairs of headphone.Mono/Stereo switch to adjust the image according to different input signals.Mix adjusts the level ratio of two balanced input 【Strong endurance】 Runs up to 12-hour long life Li-ion battery.Power and battery charging control with Led indicators 【Easy to carry】 Solid metallic belt-pack clip,High-tech, compact and portable designs for taking everywhere Product Dimensions: 10.4 x 7.23 x 4.1 cm Weight: 160g Connections: 3.5mm Jack, XLR