Thunderhorse IV

Designed in collaboration with The Bass Channel, the Thunderhorse 4 is the ultimate tonal multi-tool. This "beast" evolved from the classic P-bass workhorse into a high-output machine capable of covering any genre.

Built to Order: See a model you love but it’s out of stock? Contact us and we will craft one specifically for you
Skip to results list
51 items

Filter

  • Thunderhorse - Vice City - 34 inch Scale

    Thunderhorse - Vice City - 34 inch Scale

    Thunderhorse - Vice City - 34 inch Scale
  • Thunderhorse - 12 way and Tilt EQ - Coffee
    Sold

    Thunderhorse - 12 way and Tilt EQ - Coffee

    Thunderhorse - 12 way and Tilt EQ - Coffee
  • Thunderhorse - P-Style - Black Sands - 8.9lbs - McGrath Guitars
    Sold

    Thunderhorse - P-Style - Black Sands - 8.9lbs

    Thunderhorse - P-Style - Black Sands - 8.9lbs
  • P-Style Thunderhorse 4 - Creamsicle - 8.4lbs - McGrath Guitars
    Sold

    P-Style Thunderhorse 4 - Creamsicle - 8.4lbs

    P-Style Thunderhorse 4 - Creamsicle - 8.4lbs
  • P-Style Thunderhorse 4- Gold Dusk - 8.4lbs - McGrath Guitars
    Sold

    P-Style Thunderhorse 4- Gold Dusk - 8.4lbs

    P-Style Thunderhorse 4- Gold Dusk - 8.4lbs
  • Thunderhorse - P-Style - Pool Blue - 8.8lbs - McGrath Guitars
    Sold

    Thunderhorse - P-Style - Pool Blue - 8.8lbs

    Thunderhorse - P-Style - Pool Blue - 8.8lbs
  • Wooden electric bass guitar with a flame maple top on a white background
    Sold

    McGrath Thunderhorse IV - Whiskey - 8.5 lbs

    McGrath Thunderhorse IV - Whiskey - 8.5 lbs
  • McGrath Thunderhorse IV - Black Sands - 9.4lbs - McGrath Guitars
    Sold

    McGrath Thunderhorse IV - Black Sands - 9.4lbs

    McGrath Thunderhorse IV - Black Sands - 9.4lbs
  • McGrath - Thunderhorse IV - Blood Orange - 8.6lbs - McGrath Guitars
    Sold

    McGrath - Thunderhorse IV - Blood Orange - 8.6lbs

    McGrath - Thunderhorse IV - Blood Orange - 8.6lbs
  • McGrath Thunderhorse - 4-String Lefthanded Bass - Black Sands (NAMM 2026) - McGrath Guitars
    Sold

    McGrath Thunderhorse - 4-String Lefthanded Bass - Black Sands (NAMM 2026)

    McGrath Thunderhorse - 4-String Lefthanded Bass - Black Sands (NAMM 2026)
  • McGrath Thunderhorse - 4-String Fretless Bass - Orbital Ink (Namm 2026) - McGrath Guitars
    Sold

    McGrath Thunderhorse - 4-String Fretless Bass - Orbital Ink (Namm 2026)

    McGrath Thunderhorse - 4-String Fretless Bass - Orbital Ink (Namm 2026)
  • Thunderhorse 4 Black Sands - McGrath Guitars
    Sold

    McGrath Thunderhorse - 4-String Bass - Black Sands (Namm 2026)

    McGrath Thunderhorse - 4-String Bass - Black Sands (Namm 2026)
  • Thunderhorse 4 - Pool Blue - McGrath Guitars
    Sold

    McGrath Thunderhorse - 4-String Bass - Pool Blue (Namm 2026)

    McGrath Thunderhorse - 4-String Bass - Pool Blue (Namm 2026)
  • Thunderhorse 4 - Black Sands - McGrath Guitars
    Sold

    Thunderhorse 4 - Black Sands

    Thunderhorse 4 - Black Sands
  • Thunderhorse IV - Coffee - McGrath Guitars
    Sold

    McGrath Thunderhorse - 4-String Bass - Coffee (Namm 2026)

    McGrath Thunderhorse - 4-String Bass - Coffee (Namm 2026)
  • Wooden electric bass guitar on a white background
    Sold

    McGrath - Thunderhorse IV - Honey Chrome - Active

    McGrath - Thunderhorse IV - Honey Chrome - Active
  • Thunderhorse IV - Black Sands - McGrath Guitars
    Sold

    Thunderhorse IV - Black Sands

    Thunderhorse IV - Black Sands
  • Brown electric bass guitar with tortoiseshell pickguard on a white background
    Sold

    Thunderhorse IV - "Trip-P" - Whiskey

    Thunderhorse IV - "Trip-P" - Whiskey
  • McGrath - Thunderhorse IV - Pool Blue - McGrath Guitars
    Sold

    McGrath - Thunderhorse IV - Pool Blue

    McGrath - Thunderhorse IV - Pool Blue
  • Thunderhorse IV - Short Scale - Red Amber - McGrath Guitars
    Sold

    Thunderhorse IV - Short Scale - Red Amber

    Thunderhorse IV - Short Scale - Red Amber
  • Thunderhorse IV - Peach - McGrath Guitars
    Sold

    Thunderhorse IV - Peach

    Thunderhorse IV - Peach
  • McGrath - Thunderhorse IV - Honey Chrome - McGrath Guitars
    Sold

    McGrath - Thunderhorse IV - Honey Chrome

    McGrath - Thunderhorse IV - Honey Chrome
  • McGrath - Thunderhorse IV - Lavender Shimmer - McGrath Guitars
    Sold

    McGrath - Thunderhorse IV - Lavender Shimmer

    McGrath - Thunderhorse IV - Lavender Shimmer
  • McGrath - Thunderhorse IV - Stratospheric Sparkle - McGrath Guitars
    Sold

    McGrath - Thunderhorse IV - Stratospheric Sparkle

    McGrath - Thunderhorse IV - Stratospheric Sparkle