I already have 4 of this little amps and they perform very good have 2 500x1 monoblockpushing 4 6inch firce subs the 4 channel one for 2 sets of components and just bought this 2 channel as a mid bass mid range speakers and work just good really good quality sounds amps but the last i received looks used scratches and crack on the - + inputs very sad for that they offer me an exchange but Whit this covid19 thing it's difficult