This ZDI-2 captures all the sound of a classic tube bass amp. Drive, High and Low Frequency, HF Harmonics,Mix controls and boasts analog cabinet emulation circuitry. It includes an XLR out for DI (perfect for live shows and pro recording) and parallel 1/4inch to connect those pure, beautiful lows to your stage amp. True Bypass design, with aluminum alloy casing Power requirements:9V DC Center Negative Current consumption:50mA Weight:0.40kg Colour:As Shown Material:Metal Size:11.9x9.4x3.8cm Package Contents: 1 * Guitar Pedal 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.