Shop Online › Oxford Horn 12v XL Image 1 of 1 Oxford Horn 12v XL £14.99 Essential XL 3A 110dB horn, with universal mounting bracket.Key Features• 110dB, low tone horn• E Marked• 12V / 3amp• Universal fit• Epoxy powder coating• Dimensions: 110mm x 90mm x 55mm Add To Cart Added! Essential XL 3A 110dB horn, with universal mounting bracket.Key Features• 110dB, low tone horn• E Marked• 12V / 3amp• Universal fit• Epoxy powder coating• Dimensions: 110mm x 90mm x 55mm