Dual-mono MM/MC phono preamp in an aluminium/metal sandwich housing.Switchable subsonic filterSwitchable loadingFour gain levelsSilver or blackPro-Ject Phono Box S2 MM/MC Phono PreampSKU: PJ-PHONO-BOX-S2Specifications Inputs/outputs: 1 pair RCA Gain: 40 / 43 / 60 / 63 dB Input impedance: 10 Ohm / 100 Ohm / 1 kOhm / 47 kOhm Dimensions (W x H x D): 103 x 36 x 115 mm Weight: 570 g