Custom MP3 24V DC Signalling Horn Speaker - Redback Audio
Lamborghini Powered Ride on Cars, 12 Volt Ride on Toy with Remote Control, 3 Speed, LED Lights, MP3 Player, Horn, Battery Powered Electric Vehicles, Gift, Blue, W16387 - Walmart.com
4 Key Remote Control Car Horn with Programmable MP3 Player and Class D 30W Amplifier 433MHz Remote MP3 Siren Horn for Cars _ - AliExpress Mobile
Redback MP3 24V DC Signalling PA Horn Speaker - Altronics