The DefTech would be more clear, but users have said that it sounds "thin", as in deeper male voices don't sound quite "full" enough. The Pioneer generally has very muffled voices, but plays deeper. You would have to try both of them out to decide which is better for you.
Basement 5.1.4: Anthem MRX 720, Monoprice 2-channel amp, Paradigm Prestige 85F/55C/15B. PSB Alpha A1/P3 for Atmos HSU STF-2, ATV4K, XBox OneS, Harmony Ultimate, Samsung 65" Q7D.
Living room: Yamaha YSP-6000 with 10" Yamaha sub, ATV3, Harmony Ultimate, 55" Insignia 1080P.