April 23, 2019 -- For those who want to enjoy the power of a subwoofer in vehicles that are exposed to the elements, Alpine Electronics of America, Inc. is now shipping the KTA-30MW Mono Weather Resistant Tough Power Pack Amplifier, a compact, mini-amplifier that features Alpine's exclusive Dynamic Peak Power (DPP) technology. A small, but April 23, 2019 -- For those who want to enjoy the power of a subwoofer in vehicles that are exposed to the elements, Alpine Electronics of America, Inc. is now shipping the KTA-30MW Mono Weather Resistant Tough Power Pack Amplifier, a compact, mini-amplifier that features Alpine's exclusive Dynamic Peak Power (DPP) technology. A small, but