STROKER STROKER series amplifiers has established an unsurpassed reputation for high performance, quality, efficiency, and reliability. STROKER series amplifiers are designed and engineered with having massive dynamic headroom capability so you will always get way more power than its standard power ratings. Extra power means crisper and cleaner amplified signal for a tremendous sounding audio system. STROKER series amplifiers showcases its flexibility by generating very consistent power output at different impedances and with its variable phase adjustment on the mono-block amplifiers, the magical shifting of low bass can be shifted from the trunk to the front of the vehicle so you can not only hear it, but feel it!