The YAMAHA AG03 is a USB audio interface with 2/3 channel input, effects, and monitor mute. - Brand: YAMAHA - Model: AG03 - Function: Audio Interface - Connectors: USB, AUX, Headset - Monitor Output: Yes - Effects: Included - Number of Channels: 2/3 - Monitor Mute: Yes Includes USB cable. No box. Thank you for viewing.