War Of The Worlds: Tripod Horn Sound Effect - YouTube
VOYZ 1000 Watts Bluetooth Loudspeaker Battery Powered, Rechargeable, Two Way 15 inches Portable Speaker USB, SD, and MP3 Player, Tripod Stand and 2 Wireless Microphone Boombox for Karaoke VZ-AB515P-Li - Walmart.com
LyxPro SPA12 12" Portable PA Speaker System with Metal Tripod Stand Combo Kit Power Active Powerful Amplifier Equalizer Bluetooth SD Slot USB MP3 XLR 1/4" 1/8" 3.5mm Inputs Remote Control - Walmart.com
Amazon.com: Pyle Universal Speaker Tripod Stand Mount - 6' Sound Equipment Holder Height Adjustable Up to 70 Inches For Speakers w/ 35mm Compatible Insert Perfect for Home, On Stage or In Studio
Tripod Sounds : Download Alien Tripod and Horn Sound Effects
Amazon.com: GOFLAME 2000W 2-Way Powered Speakers, 12" Portable Dual Speakers PA System with Bluetooth, USB SD Card, AUX MP3 FM Radio, Microphone, 2 Tripod Stands, Remote and Cables, Indoor and Outdoor Use :
Amazon.com: Alphasonik 15" Portable Rechargeable Battery Powered 1500W PRO DJ Amplified Loud Speaker with 2 Wireless Microphones Echo Bluetooth USB SD Card AUX MP3 FM Radio PA System LED Ring Karaoke Tripod