Samson SAMA25 Mono Active Microphone Signal Booster (+30dB Gain)

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Regular price $79.99 USD

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Samson SAMA25 Mono Active Microphone Signal Booster (+30dB Gain)

HighRise is a compact, inline signal booster that provides up to +30 dB of transparent gain for connecting low-output microphones to mixers, audio interfaces, and preamps. Whether you are capturing spoken word for a podcast or livestream, recording in the studio or performing on stage, the HighRise provides more headroom to ensure an ultra-clean microphone signal.

Take Your Mic to New Heights

The HighRise is a pre-preamplifier that boosts the signal of very low output microphones connected to mixers, interfaces, or stand-alone mic preamps that have too narrow a gain range (typically +40 dB to +55 dB maximum), making some microphones unusable for normal speech levels or soft instruments.

Moving On Up

Its high-quality preamplifier has a selectable +20 dB or +30 dB clean gain, which increases headroom and allows you to achieve a usable level at the connected preamp with a much lower gain setting, reducing additional noise in the signal chain. The result is the best possible audio performance for low-output passive microphones. It also has a +20 dB setting with a high-frequency boost to add vocal presence to your performance. A selectable low-cut filter removes unwanted noise to improve the clarity of the microphone signal.

Above the Rest

A high-performance class-A design in a fully differential input and output arrangement delivers an exceptionally clean and highly transparent signal. The HighRise operates off of phantom power, so there are no additional power supplies needed. It does not pass phantom power to the microphone making it perfectly safe to use with delicate passive ribbon mics.

Road Tough

Rugged, road-ready and highly portable, the HighRise is housed in a 14-gauge steel enclosure that protects the electronics and is built to withstand the abuse of the most demanding touring or busy professional studios.


  • In-line, mono active microphone signal booster
  • Selectable +20 dB or +30 dB of ultra-clean gain
  • Powered by 48 V phantom power
  • Provides extra headroom to your preamp, mixer or audio interface with a cleaner, lower noise signal
  • Class-A biased bipolar transistors in a fully differential input/differential output design for ultra-transparent performance
  • Selectable Low Cut Filter and High-Frequency Lift
  • Protects passive ribbon microphones from potential damage caused by phantom power
  • Rugged all-metal, impact resistant design withstands the toughest live sound environments


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