2 x 4.0mm square speaker cable is designed for connection of signals from power amplifiers to loudspeakers.

4 x 2.5mm square speaker cable is designed for connection of signals from power amplifiers to loudspeakers.

4 x 4.0mm square speaker cable is designed for connection of signals from power amplifiers to loudspeakers.

The SDI is a passive stand alone direct injection box which is ideal for bass guitar and acoustic instruments, electric guitars, keyboards, synthesizers audio signal pickup.