Bosch Horn Set - W113 230SL 250SL 280SL - Classic Mercedes Parts
Basketball Horns Offense, Coach's Clipboard
Micro Servo Arm and Horn Set : ID 4251 : $1.25 : Adafruit Industries, Unique & fun DIY electronics and kits
Amazon.com: Hella Stark Sound – 109.23.37 – Red Set 12 V High/Low Frequency Hella Super Tone Horn Set B 133, 12 volt : Automotive
Black Plastic 4 Trumpet Set – Berube's Truck Accessories
Hadley 12V "Bully Horn" truckhorns - The HornWarehouse.com A warehouse full of air horns, melody horns, bells, callhorns and other stuff that makes noise
Amazon.com: HELLA 007424801 Twin Trumpet High/Low Tone 12V Horn Kit with Bracket, Red : Automotive
Amazon.com: SEGER Trumpet Car Horn Set - Truck Horn - Waterproof - High/Low Tone, 12 Volt, Universal Fit - Original 60B Series – European Made 12V Loud Car Horns with Brackets and Assembly Kit : Automotive
Fiamm heavy duty disc horn set - Fiammhorns.com
Standard Servo Arm and Horn Set - 25 Spline : ID 4250 : $2.50 : Adafruit Industries, Unique & fun DIY electronics and kits
British Parts Northwest Horn Set High and Low Note