Pro-Ject Audio - Phono Box DC - MM/MC Phono preamp with line output - Silver<div style="text-align: left;"><strong>[Product Information]</strong><ul><li><span class="a-list-item"> Input Impedence MM: 47k ohms / 120pf， Input Impedence MC: 100 ohms / 120pF </span></li><li><span class="a-list-item"> Gain MM: 40dB / Gain MC: </span></li><li><span class="a-list-item"> Noise MM: 86 dB/ Noise MC: 68 dB </span></li><li><span class="a-list-item"> THD: MM 0.01% / THD: MC 0.05% </span></li><li><span class="a-list-item"> RIAA EQ Curve Accuracy:: 20 Hz - 20 kHz / max 0.5 dB </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/31G0t17nG4L.jpg" noproxy>