(a.) Stentorian.

atmospherics blasting blatant blatting blind spot blustering boisterous brassy brawling brazen clamant clamorous clamoursome clanging clangorous clattery crawling creeping drift earsplitting fade-out fading interference mafficking noise noiseful noisy obstreperous piercing rackety reception rip-roaring roaring rowdy static stentorian stentorious strepitant strepitous tumultuous turbulent uproarious vociferous