Thank you for viewing. This is a SANSAMP bass preamp. It's the model after the change, without the MID knob. It does not power on, so I'm selling it as junk. I put it on my board and secured it immediately after purchase, so there are no noticeable scratches. For those who can repair it themselves or for parts. There's Velcro on the back, attached with double-sided tape, for attaching it to a board. I will pack the main unit and the manual for shipping. Please understand that this is a junk item before purchasing. A multi-functional DI effector for bass, with XLR output. - Model Name: SansAmp BASS DRIVER DI - Brand: TECH 21 NYC - Output Type: XLR output - Controls: Level, Blend, Treble, Bass, Drive, Presence - Connections: Input, Parallel Output - Country of Manufacture: MADE IN USA