Alpine KTP-445U Powersport Speakers and many third-party streaming music

and many third-party streaming music apps

Water-tight case design

KTP-445U: The Alpine KTP-445U Head Unit Power Pack is a power upgrade amplifier that allows you to add higher output and more dynamic response to your aftermarket or factory installed car stereo system (without factory amplifiers)

The TS-D69C 6"x9" component speaker system provides low distortion and flawless performance

a threaded removable housing

Alpine KTP-445U Powersport Speakers and many third-party streaming musicAbout the Alpine KTP 445U Power Pack More power, less hassle Want a simple way to crank up the power of your receiver? Alpine's "Power Pack" amplifier increases your receiver's power output to 45 watts RMS by 4 channels. That's a big jump up from the 7 20 watts per channel typically put out by a car radio, and plenty of power to drive high performance speakers or keep up with a big subwoofer amplifier. Best of all, this compact amplifier is so