I am having trouble deciding which head to purchase.

both are used and i can get either one for the same price.

Peavey Megabass 400 Watt @ 4 ohm Bi amped head.


SWR Workingmans 160 head
120 watts RMS @ 8 ohms
160 watts RMS @ 4 ohms

The heads would be played through a fender 4x10 cab. just for jamming in my garage, so im more concered with getting a wide variety of great tones than it being ok sounding, and deafningly loud.

any help?