Air horn

Mini Air Horn

Trebisky HYPE + Cheers Sound Effect Button (Air Horn Applause/Cheers) Party Gag Gift for DJ, Soccer & Office Fun

Sound RX Get Hyped Button – Hip Hop Air Horn Effect Hype for Parties (Spammable, 2x AAA)

Handheld Air Horn, Aluminum And ABS Portable Handheld Air Pump Horn

Powerful Handheld Air Horn Made of Durable Aluminum and ABS for Portable Sound Amplification

Ubiquiti UISP airMAX IsoStation AC 5 GHz AP/Bridge with 14dBi, 45 Degree Symmetrical Horn Antenna