SKU: 5634251898

SE Electronics DM2 TNT Active In-Line Microphone Preamplifier

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Description

SE Electronics DM2 TNT Active In-Line Microphone PreamplifierThe DM2 TNT Active In Line Microphone Preamplifier from sE Electronics is intended to be inserted between a passive ribbon or dynamic microphone and a microphone preamplifier (sold separately) to provide gain for the microphone signal. A switch allows you to select between 15 and 30 dB of gain to boost the audio signal, improving the level to your preamp, mixer, or audio interface without adding noise or coloring the sound. The DM2 offers eight load

The DM2 TNT Active In-Line Microphone Preamplifier from sE Electronics is intended to be inserted between a passive ribbon or dynamic microphone and a microphone preamplifier (sold separately) to provide gain for the microphone signal. A switch allows you to select between 15 and 30 dB of gain to boost the audio signal, improving the level to your preamp, mixer, or audio interface without adding noise or coloring the sound.

The DM2 offers eight load-impedance settings, allowing you to properly match your microphone and preamp combination and find the sweet spot for optimal results. The sophisticated Class-A design and high-grade FETs provide clean gain with low self-noise. The active preamp requires 48V phantom power for operation and is built with a dedicated output buffer amplifier that reduces RF interference, buzz, and hum while allowing it to drive long cable runs. Additionally, the DM2 offers a roadworthy, slim, all-metal design, ensuring reliable operation for onstage applications in difficult environments.

  • Switchable, clean, and consistent gain from moderate +15 dB to explosive +30 dB
  • Designed for neutral, balanced sound quality with minimal noise
  • Explore eight impedance settings ranging from an unconventionally low 50 ohms to stunningly high 10 megohms to match your preamp with any mic accurately
  • Two gain levels for even higher flexibility on various sources
  • Ruthlessly boosts the signal independent from load impedance or cable length
  • High-grade FETs provide supremely low noise
  • Requires 48V phantom power
  • Use only with passive dynamic or ribbon microphones

SE Electronics DM2-MIC-PRE-U Specs

System Requirements Input: Passive Microphone (Ribbon/Dynamic)
Output: Preamp/Mixer or Audio Interface Providing 48 V Phantom Power
Limitations: Not Suitable for Phantom-Powered Microphones (Condenser Microphones, Active Ribbon Microphones)
Frequency Range 10 Hz to 120 kHz (-0.3 dB)
Gain 15 / 30 dB (Switchable)
Maximum Output Level 9.5 dBV / 3.0 V (0.5% THD)
Output Noise Level: 1 μV at 15 dB / 6.6 μV at 30 dB
Powering 48 V According to IEC 61938
Impedance 135 Ohms
Load Impedance Recommended: >1 Kilohm
Current Consumption 3.1 mA
Connectors 3-Pin Male XLR
3-Pin Female XLR
Dimensions 0.75 x 3.76" / 19 x 95 mm
Weight 2.8 oz / 80 g
Packaging Info
Package Weight 0.22 lb
Box Dimensions (LxWxH) 6.4 x 1.25 x 1.2"
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 5634251898

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4.6 ★★★★★
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A
Verified Purchase
AMAZON CUSTOMER
Grantham, US
★★★★★ 5
plug and play ...fast ...hi performance... same as higher price
plug and play ...fast ...hi performance... same as higher price
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 16, 2026
H
Verified Purchase
H. T.
Pawtucket, US
★★★★★ 5
premium feel in the hand.
Can't really say whether it's that good or not elecronics wise since I didn't test it but it works like it's supposed to. Meanwhile, the housing oh man. It's premium. It feels like hard aluminum or something, very nice. Edges are rounded too with just the right sharpness like a macbook. Others would've been plastic. This is really nice for the price and if the specs really are 10Gbps, that's really good because most in this price range is 5Gbps.
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Reviewed in the United States on March 2, 2026
A
Verified Purchase
Amazon Customer
Pawtucket, US
★★★★★ 1
Failed to support desktop PCs with USB 3.2 Gen 2 ports
Does not work with my HP mini PC with USB 3.2 gen 2 ports - when connecting USB portable SSDs to the hub. You won't believe it, but many USB 3.2 Gen 2 hubs only support laptops not desktop PCs (except hubs that have dedicated power supply for higher power USB devices e.g. SSD/HDDs) when connecting USB portable SSDs to the hub. We need a major fix from many of the USB hub vendors so these products can work with desktop PCs that have USB 3.2 Gen 2 ports. Workaround: Just directly connect the USB portable SSD to the PC instead. If you need more USB ports, pick up a good old USB 3.0 hub. They're working correctly with portable USB SSDs when working with desktop PCs. (You'd need a powered USB hub if you're connecting 2 or more portable SSDs - do your own calculation: 5V - 1A per SSD/HDD).
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Reviewed in the United States on November 2, 2025
E
Verified Purchase
eg 123
West Palm Beach, US
★★★★★ 5
Perfect for ROG Ally X
Want to hook up a keyboard, mouse, headset, AND external display to a ROG Ally X? This will do it and it only takes up one (USB4) port on the Ally X. Oh, and it will also provide enough power to charge the Ally and still have juice for all the other ports. Update: I’ve now tried a few USB4 hubs because I also want Ethernet which this doesn’t have. Unfortunately I’ve discovered that most of them seem to overheat after awhile and I loose connectivity on some of the ports (for whatever reason it’s always the type A ports on the hubs that fail). After letting them cool down, the other USB hubs work again, but it’s still frustrating. This StarTech hub is the only one that works for hours. It’s a little bulkier than other hubs I’ve tried, but that’s probably because it needs to be that way for proper heat dissipation?? Anyway, I wish it had a few more ports (including Ethernet), but for reliability this thing is the best I’ve found.
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Reviewed in the United States on July 31, 2024
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Verified Purchase
Alissa
Los Angeles, US
★★★★★ 5
The Best!
This thing is amazing! Worked right out of the box. No drivers to install, no confusion, just plug and go. I'm using this hub to connect a mouse, a keyboard, and a monitor to my 2025 MacBook Air (M4). Before buying this I bought a complicated, powered hub for 2x the price and wasted multiple hours trying to get the $%^&(*& thing to work, which it never did. If you want to run a display and a few peripherals, this Startech hub is the absolute best bang for your buck.
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Reviewed in the United States on December 8, 2025

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