Do you have a question about the Bellari MT502 and is the answer not in the manual?
Type of connectors used for input and output, specified as RCA.
The input impedance range for the device, measured in ohms.
The output impedance of the device, specified as 30k ohms.
Total Harmonic Distortion measured at 1KHz, stated as .02%.
Physical dimensions of the unit: 4 inches wide, 1.1 inches high, and 4 inches deep.
The total weight of the device, specified as 2 pounds.
RCA connectors for connecting your turntable with a moving coil cartridge.
RCA connectors for connection to a phono preamp with RIAA equalization.
Connects or disconnects the ground connection between INPUT and OUTPUT RCA's to reduce ground loops.
Selects between low output moving coil carts and very low output moving coil carts for optimal gain.
Connects your turntable's ground wire; may offer better results bypassing the MT502.