Assembled in the USA, the Royer dBooster is a unique, revolutionary signal booster that sets itself apart from other inline lifters on the market. With design and performance specifications comparable to high-end preamplifiers, this device elevates the sonic capabilities of even the most familiar low output passive mics. Equipped with a true Class-A input stage, extreme RF Protection and crystal clear gain with minimal noise or self-distortion, the dBooster offers an unparalleled level of sound quality. It delivers an enormous amount of headroom without breaking up, providing users with more than double their microphone's original output...or quadruple it with the flick of an onboard button! Whether you need to boost your mic for recording or live performances, trust the reliability and superior performance of Royer's dBooster.