Am using at present 3802 to mk speakers 3 x k17 pair of k4s and 1 x k15 all but the k15 are 4 ohm, cant say ive had any trouble running them with the 3802, am thinking of upgrading receiver soon should i go for say a 3805 or have you any recomendations for receivers that are more suitable for 4 ohm loads would like dpl11x on the receiver