Any alternative to Radio Shack sound level meter?

MIne is kaput. I want to use to optimize sub setup.

oldears06-04-2020 7:06pm

don_c55 Details Discussions Posts This discussion Message User 1,025 posts 06-04-2020 at 10:35pm Copy Comment URL Report Comment Edit Delete There are several iPhone apps that work very well and are free or a few dollars. RTA Audio Pro, , RTA ( also spectrum analyzer) Decibel X, dB meter Pro (can be calibrated)