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Today,, the leading online marketplace dedicated to buying and selling new and used musical instruments, announced that it has partnered with Mark Hoppus of blink-182 to auction off a custom pink plaid early 2000s Fender Mark Hoppus precision bass guitar from his personal collection. Proceeds from the auction, which launched today and ends on July 8, will benefit The Trevor Project—the leading organization providing crisis intervention and suicide prevention services to lesbian, gay, bisexual, transgender, queer & questioning (LGBTQ) young people. Hoppus will also donate an additional $5,000 on top of the winning bid.

“We call this plaid bass Groundskeeper Willie. I wrote a great deal of the bass riffs for the [2003] untitled album on this bass. It has the sticker of the unicorn on there and the pink Famous Stars and Straps keychain that has been on here for the past decade and a half,” Hoppus said of the bass guitar. “I’m auctioning it off to raise money for the Trevor Project, which is a great organization doing great work.”

As the auction ends on July 8, The Official Mark Hoppus of blink-182 Reverb Shop will launch, featuring nearly 80 pieces of music gear used by the musician in the studio and on tour. Among the items in the shop is a Blue Microphones Vacuum Tube Condenser microphone that has been used on multiple blink-182 albums as well as the +44 recordings. According to Hoppus, the mic—which was custom powder coated hot pink for the musician—is one of his favorite pieces of studio equipment. “It’s been a staple of my studio setup ever since Jerry Finn told me to buy a Blue Bottle mic for Enema of the State,” Hoppus said.

The Official Mark Hoppus of blink-182 Reverb Shop will also feature a wide variety of guitars, bass guitars, effects, and pro audio equipment, including:

  • A custom Fender Precision bass guitar that features a custom pencil drawing of an octopus by Craig Christy of Raygun Tattoo. “This was a bass that I used for a long time on tour,” Hoppus said.
  • A pair of Avalon U5 Ultra Five Direct preamps that have been around the world several times, according to Hoppus. “These were the direct pre- and post-amp sound of my live show since around 2001,” he said.
  • An Ampeg SVT Classic amp that sat in Hoppus’ live setup for nearly a decade. “This amp has literally been around the world. It has been everywhere, sounds great, and is well road-worn,” Hoppus said.
  • A dozen API 512C preamps from Hoppus’ home studio. According to Hoppus, the preamps traveled to the UK with him and were used to record the PAWS album No Grace.
  • A 1972 Fender Precision bass guitar, an Analog Systems 8000 Modular synthesizer, two API 500VPR Lunchboxes, two Chandler Limited: LTD-2 compressors, and more.

Hoppus joins a growing number of artists—including Green Day, Sonic Youth, and Avenged Sevenfold, among others—who’ve partnered with Reverb to get musical instruments and gear from their personal collections into the hands of fans. To view the auction, preview the items that will be available in The Official Mark Hoppus of blink-182 Reverb Shop, and to sign up to be notified when the shop goes live, visit:

About Reverb is the leading destination online to buy and sell new, used, and vintage musical instruments. Since launching in 2013, Reverb has grown into the most popular music gear website in the world, with over half a billion dollars in annual sales on the platform and more than 10 million musicians and music lovers around the world visiting the website each month. A portion of each sale on Reverb goes to Reverb Gives, which provides teachers, instructors, and leaders of music programs across the nation with the instruments they need. Reverb also recently launched Reverb LP, an online marketplace for buying and selling records and other physical music. Visit or download the mobile app: