sorry 4 ohms lang pala and 30 watts max lang (pioneer stocks) yung sa may pinto. when i crank up the volume basag na yung tunog. hindi ko naba puwede taasan ng kaunti yung wattage para hindi mag-garalgal? seriously, i have little hearing left so i have to hike up the volume. yung isusuggest mo sana wala ng modifications para plug n play na lang. btw i listen to metal and jazz. thanks for your time in answering jhnkvn!