The DM1 Dynamite Active Inline Microphone Preamplifier from sE Electronics is an active inline preamp intended to be inserted between a passive ribbon or dynamic microphone and a microphone preamplifier (sold separately). It can be used to deliver a robust 28 dB of gain to boost the audio signal of a passive mic, which improves the level to a preamplifier without adding noise or coloration...With a sophisticated class-A design and high-grade FETs, The DM1 has a low self-noise. It is built with a dedicated output buffer amplifier allowing it to drive long cable runs and reduce RF interference, buzz, and hum. Additionally, the DM1 Dynamite Active Inline Microphone Preamplifier offers a roadworthy, slim, all-metal design ensuring reliable operation for on-stage applications in difficult environments. Please note& the sE Electronics DM1 Dynamite 1 requires 48V phantom power provided by a preamp/mixer/audio interface so be sure to understand that before purchasing. Features: For Bundling and Organizing Cables Reusable Ties are Earth-Friendly Familiar Hook and Loop Fastener One-Piece Band Self-Attaches Discreet Ties Provide Reliable Grip No Cable Damage or Residue & Kit Includes: sE Electronics DM1 Dynamite Active Inline Microphone Preamplifier Limited 2- Year Warranty XLR Mic Cable, 20 Feet 3.5 L Wrap Hook--Loop Cable Tie&