Compact and Portable Design: This HA400 headphone amplifier boasts a sleek, compact size . Ideal for musicians and audio professionals, it offers exceptional convenience for both studio sessions and live performances. Enhanced Connectivity with Additional Cable: With four 1/4inch stereo headphone TRS output connector jacks, it allows simultaneous control of up to four headphones, making it perfect for collaborative studio work. Superior Sound with High Power Amplifiers: Equipped with four high-power stereo amplifiers, the HA400 delivers unparalleled sound quality even at volumes. Experience studio-level audio fidelity that elevates your listening and monitoring sessions to professional standards. Advanced Audio Engineering: Featuring a low-noise JRC4580 operational chip, this amplifier offers high fidelity and gain. It's designed to enhance sound quality and timbre while providing robust stereo power and individual output level control for each channel. Versatile Monitoring Solution: The HA400 is not just a headphone amplifier but a comprehensive monitoring distribution system. It supports up to four pairs of headphones simultaneously, each with volume control, making it ideal for shared listening environments and multi-participant recording sessions. Plug Type:EU Plug,it applies to Indonesia, Germany, France, Spain, Italy and so on Voltage: AC220V Color: silver Material: Metal + Plastic Package Contents: 1 * Headphone amplifier 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.