It adopts a separate design of the electric slotter (the length of the electric slotter wire is 300mm), and the installation spacing is not restricted. Release: the Im1036 tone chip adopts DC control method. there be no interference when separating the electric slotter. Note: for the separated version of the electric slotter, there are 4 electric slots that may be shipped in a row. you can open them by yourself when you go back. With ne5532 preamplifier, the op amp chịp is installed with gold-plated socket, which is convenient for upgrading and fever op amp. Tone board, using Im1036n tone chip, the board is made using patch technology (small size, stable performance), the board is equipped with volume -balance -treble-. Working voltage: dc 12-24v (direct input regardless of positive and negative poles) ac 9-16v. Color: As Shown Material: PC Package Contents: 1 x Hifi audio power amplifier front board 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.