MTX 2 channel amp (made in us) for sub

MTX 275x not meant for speaker its an amp for the sub power is better than presently made in china MTX as these US model are had to come by selling away as baby girl cant take the impact of the sub hence my lost your gain. Price is $300 nego my mechanic say it worth at $600. reluctant but wife want it to be sold away taking up store space.