Double shielded Mu-Metal CUSTOM STLX transformer, providing maximum respect for signal integrity - 2x 6.35mm Jack inputs - 2x Pad switch (0dB, -15dB, -30dB) - 2x ground lift - 2x balanced XLR outputs - Thru outputs 2x 6.35mm jack - "mono sum" switch - shock-resistant metal case - black color