Base De Conexão De Fones Waldman Ph-4Especificações:Line inputs:- Type: 1/4 TS connector, stereo- Impedance: 100 kOhms- Max. input level: + 15 dBuHeadphone outputs :- Type: 1/4 TS connector, stereo- Impedance: approx. 80 Ohms- Max. input level: approx. 40 mW in 100 OhmsPower supply :- Power supply: external power supply, 12V = / 150mA- Power Range: 100-240 V