Default ext calibrated mic

does anyone know if an ext calibrated mic would address an app like Sound Meter if the mic is TRRS?
And be able to track true spl up to 120 or so?
"Their stupidity does not amaze me, its when they're smart that amazes me." - Zappa

Device: HTC One (M7), T-Mobile (US) S-Off
CID: T-MOB010 (PN0713000)
ROM: ViperOne 5.8
HBOOT 1.55
Build: 4.19.401.11
Kernel: 3.4.10
Recovery: TWRP

Previous Infestations HTC Sensation
ViperS 1.6.3
ELEGANCIA 4.1 v3.5
ARHD 6.8
Bricked 3 v1.4 lagfree
OpenSense (fave, wish dev cont'd)