In case someone needs it, I just wrote pySVS to control SVS SB-1000 pro subwoofer parameters (other models not tested) from a computer using bluetooth. (Available on github.com/logon84/pySVS) : r/BudgetAudiophile
Sound modes and surround parameters AVR-X1700H
SUBWOOFERS T/S PARAMETER DATA - YouTube
Finding T/S Parameters for Unknown Driver | AVS Forum
BOSS Audio Systems P126DVC Phantom Series 12 Inch Car Audio Subwoofer – 2300 Watts Max, Dual 4 Ohm Voice Coil, Sold Individually, For Truck Boxes and Enclosures, Hook Up To Amplifier
ZXI 15" High Excursion Subwoofer Quad Stacked Magents 1000 Watts Rms D