hi i have 4 infinity 6x9 speakers (330 watts 110 rms) and want a 4 channel amp to run them. Im not sure whats the best make to get and dont want to get a rubbish one. in the future i would like to bridge it to another amp for a sub as and when i can afford it.

im not really interested in second hand amps either

what would u guys recommend

ps i have a budget of £100