Dual Channel Dual XLR inputs (Channel 1 / Channel 2) allow dual mono or stereo signal capturing. Independent level controls are featured for added control over input signal. Mic / Line Level Switchable The inputs are individually switchable to accept signal from microphones or line level devices. Attenuation Switch An attenuation (ATT) switch provides additional headroom when using exceedingly hot microphones that overload the input. 48Volt Phantom Power The adapter provides +48V phantom power to condenser microphones.