Connections: Ch.1 and Ch.2 input (2x 6.3 mm jack) - Ch.1 and Ch.2 output (2x 6.3 mm jack) - power supply connection (coaxial socket 5.5 x 2.1 mm - negative pole inside)
Power consumption: 39.8mA
Power supply with a 9 V battery or 9 - 18 V DC power supply (not included - matching power supply: Article Nr 409939)