RME LNI-2 DC Low Noise Isolating DC Filter - 12VRME presents the LNI 2 DC, a spectacular active DC filter, compact and portable, milled from a solid block of aluminum. The LNI 2 DC provides isolation, regulation and filtering of output signals from any 12 volt DC power source, enabling a remarkable improvement in DC voltage stability while providing an ultra clean 12V power source. This results in an enhanced audio signal and sound quality avoiding humming, buzzing and other noises that can be