Roadproof housing with rubber feet Low distortion 9V power supply ore 18-48V phantom power Ground lift -20 and -40dB Attenuation switch The ADI-101 is created to help professionals who haven't got the time for interference. It will protect your system for ground loops, potential hum and buzz. Because of the solide metal body and rubber feet it is very road-proof.Jellemzõk:Frequency Response: 10Hz-40KHzNoise Level: < -105db Distortion (THD): < 0.005% at 1khz, 0dbu output Inputs: XLR 1/4" Jack unbalancedLink out: 1/4" Jack unbalancedOutput: XLR balancedPower supply: 9V Battery or 18 - 48V DC (phantom)Input Impedance: >250K?Load Impedance: >600?Dimensions: 53 x 158 x 120 mm (HxWxD)Weight: 0,8 Kg