Thank you for viewing. This is a brand new, unused item purchased 2-3 years ago and has never been opened. 【High-Quality Monitoring】 The Behringer MA400 is a headphone amplifier that provides clear sound quality. It is ideal for monitoring during music production and recording. 【Compact Design】 The small and lightweight design makes it easy to carry, convenient for studios and live performances. 【Various Connection Options】 Equipped with MIC INPUT and MONITOR INPUT, it can be connected to various audio devices. - Brand: Behringer - Model Name: MA400 - Type: Headphone Amplifier - Power: 12V - Input Terminals: MIC INPUT, MONITOR INPUT - Output Terminals: PHONES - Controls: MIC LEVEL, MON LEVEL