Fully discrete, op-amp-free MM/MC phono preamp in a solid metal case.Discrete designPolystyrene capacitorsSwitchable subsonic filterSwitchable loadingPro-Ject Phono Box S2 Ultra MM/MC Phono PreampSKU: PJ-PHONO-BOX-S2-ULTRASpecifications Inputs/outputs: 1 pair RCA Gain: 40 / 43 / 60 / 63 dB Input capacitance: 100 / 220 pF Dimensions (W x H x D): 103 x 37 x 119 mm Weight: 570 g