Need a boost to your analogue signal? The Cambridge Audio 551 and 651 have you covered! These preamps utilize top of the line amplification circuits and hand picked components. Built out of ‘Class A’ materials, The 551 and 651 are housed in an all metal casing with a beautiful brushed aluminum front panel. While the 551s are perfect for all MM cartridges, the 651s are capable of supporting both MM and MC cartridges. Both options yield exceptional clarity, resolution and musicality. Cambridge Audio 551s and 651s will cover all of your preamplification needs!