Amazon.com: LAMPHUS SoundAlert 100 W Compact Slim Speaker [118-124 dB] [IP66 Waterproof] [Universally Compatible] Air Horn Speaker for Emergency Police Fire Vehicles : Electronics
Speaker 2 Haut-PARLEURS Compatible avec PHONOCAR Basic 66121 Double cône 10 cm 100 mm 4'' de diamètre 20 Watt rms et 40 Watt Max 4 ohm 90 DB, la Paire : Amazon.fr: High-Tech
DIY Powerful Portable Bluetooth Speaker Mega Bass 100+db - YouTube
Trying to make a 100 + db sound in the range of 300 to 700hz (very new to this sort of stuff) : r/AskElectronics
Speaker for drone 100dB
DB Audio S100-300W Portable Bluetooth Speaker Turbo Tube | HMR Shop N' Bid
How Loud Is 100 Decibels | What Does 100 Decibels Sound Like