Although it's new and unopened, I'm selling this because a friend gave me a mixer. Originally priced at 19,999 yen on Amazon Audio Interface MAONOCASTER AU-AM200-S6 All-in-one portable audio mixer set Equipped with a Dia.25MM large capsule condenser microphone that responds quickly to changes in audio signals. (S1 set has Dia.16MM) It reproduces even the subtle nuances of sound. With this one unit, you can easily enjoy live streaming! It has 10-step echo and monitor volume control, a 12-tone electronic music key changer, and bass, mid, and treble dial adjustments. The "PITCH" button allows for 4 types of voice changes. The "MUSIC ONLY" button removes vocal audio from music, creating music for karaoke. There are also a variety of other sound effect buttons. 2 headphone outputs, 1 speaker output, 2 microphone inputs, 3 POD outputs. It is also equipped with a USB-C port and can be connected to Windows, Mac OS, and smartphones. 2 microphone input ports 3 POD output ports 2 headphone and speaker output ports 1 USB-C port Compatible with Windows, Mac OS, and smartphones. The "MUSIC ONLY" button removes vocal audio from music, creating music for karaoke, making it perfect for app distribution on smartphones. [Accessories List] AM200 Podcast Audio Mixer 1, USB cable (USB A-USB C) 1, 3.5mm TRRS audio cable 2, User manual 1, Microphone arm 1, Shock mount 1, Microphone body 1, Pop guard, XLR-3.5mm cable 1. *Note: This machine only supports 3.5mm microphone input.