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sE Electronics DM1 Dynamite 1-channel Active Inline Preamp

Active In-line Preamp for Passive Dynamic and Ribbon Mics with 28dB of Gain
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sE Electronics DM1 Dynamite 1-channel Active Inline Preamp
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This article was Written By

Our Product Research Team

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Get More Juice from Passive Mics

Passive dynamic and ribbon microphones sound absolutely incredible. However, these microphones’ naturally low output is a major impediment to using them on quiet sources or during live performances. With the sE Electronics DM1 Dynamite in-line preamp, however, those days are over. This compact unit plugs directly into the output of your microphone. Feed it a little phantom power, and the DM1 delivers +28dB of clean, clear preamplification. In other words, your mic signals hit their destination at an adequate level for proper gain staging. The DM1’s Class A circuitry, high-quality FETs, and low impedance ensure a consistent signal and very low noise — even over long cable runs. Help your mics perform up to their full potential with the sE Electronics DM1 Dynamite.

Note: For best results, we recommend plugging the DM1 directly into a microphone’s output. Please contact your Sweetwater Sales Engineers with questions.

Pristine sound from any source

sE Electronics designed the DM1 to boost your signal without adding any unwanted coloration. After extensive testing in the real world, Sweetwater can confirm that this compact in-line preamp does precisely that. So how did sE Electronics achieve such a feat? By using Class A circuitry and hand-selected FETs, of course. The Class A electronics and dedicated output buffer ensure you always get pristine amplification of your signal regardless of cable length and impedance.

sE Electronics DM1 Dynamite Active In-line Preamp Features:

  • Adds +28dB of clean gain to low-output passive microphones for proper gain staging
  • Class A electronics offer a neutral sound
  • Output buffer ensures the unit provides consistent gain regardless of load
  • Low output impedance ensures you get a clean signal regardless of cable length
  • Gold-plated connectors offer a loss-free and reliable connection
  • Rugged metal housing stands up to punishment
  • Low-profile design saves space in studio and live settings

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Tech Specs

  • Type: Inline Mic Preamp
  • Channels: 1
  • Inputs: 1 x XLR
  • Outputs: 1 x XLR
  • Power Supply: 48V phantom power
  • Height: 3.76"
  • Width: 0.75"
  • Weight: 0.17 lbs.
  • Manufacturer Part Number: DM1-MIC-PRE-U

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Customer Reviews

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Rated 5/5

Dynamite

Great for Dynamic microphones , direct Mic,insturment etc & DAW connection,long XLR Cable runs,very useful on older vintage mics. Worth the price . Solid design.
Rated 5/5

Made the difference

A sweetwater rep suggested to get this mic booster to help with clean gain when using my Rode Podmic and Yamaha MG10XU. It worked and made a huge difference! Now I don't have to boost the gain on the mixer. I actually did a review of this set up on my YouTube channel if interested search LCC LEARN CREATE CAPITALIZE. Thanks again sweetwater!
Rated 5/5

Great for SM7B

Works perfectly for the SM7B! Exactly what I needed
Rated 5/5

Small, simple, satisfying

It's small, moderate weight but light enough that I trust it resting on my SM7B. It's so simple that all you need to do is turn on 48v (Phantom Power). It's satisfying in that it's so quick to install and remove, takes much less space than the Cloudlifter. The packaging is pretty awesome also.

I use this when I'm doing soft vocals, or using it as a general speaking mic, as it boosts the signal by 28Db without raising the noise floor (at least I didn't hear it from my Adam Audio T7V's). If I'm recording my amp or my friends heavy vocals on the SM7B, then I will remove the Dynamite (as it does it's job a little too well for that application). This little guy makes my SM7B the most universal mic I have.
Music background: 10+ years
Rated 5/5

Lot of "BANG" for the buck!

This small but mighty mic pre gives my Shure SM-7B the perfect boost its been needing when feeding signal into my Focusrite 2i2!

This mic pre is a must have for someone like me!

Thank you Mitch Gallagher for the timely and concise YouTube video introducing me to this excellent product.

Your video made this sale happen.

Douglas J. O'Brien
Music background: Multi-instrumentalist and vocalist composer and recording musician.
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