Preamplifier for MM turntables powered by an external switching power supply (included). Allows the turntable to be connected to devices without special Phono input. High-quality design for perfect noise reduction. High-quality, long-lasting components are used. Quality, steady sound. Technical parameters: Rated input impedance:> 47 kOhm, Nominal load impedance: ≥ 22 kOhm, THD distortion: