I had and still do have a pair. A single did great in 1.6 sealed. Did a pair in 2.o sealed and did really well. I still have them and wouldnt hesitate to use them again for some extra bass or in an SQ build.So 1.3 should be fine for a single 10, you should get some goodness out of it. I did find that they dont mind a little more than RMS power.Another thing I like about the Dayton woofer is the 5 yr warranty