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• 

  Bottleheadphone Stand Kit

  $49.00 Read more
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• 

  Crack Up Legs and Bottom Cover Kit

  $49.00 Add to cart
• 

  Mainline 1.1 Headphone Amplifier Kit

  $1,428.00 Add to cart
• 

  Crack 1.1 OTL Headphone Amplifier Kit

  $369.00 – $484.00 Select options This product has multiple variants. The options may be chosen on the product page
• 

  Crackatwoa Headphone Amplifier

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• 

  Single Ended eXperimenter’s Kit 3.0 for Headphones & Sensitive Speakers

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• 

  S.E.X. 3.0 C4S Upgrade Kit

  $49.00 Add to cart
• 

  Speedball 1.1 Upgrade for Crack Amplifier

  $115.00 Add to cart
• 

  TwoQuiet Stepped Attenuator Upgrade for Crackatwoa Headphone Amplifier

  $269.00 Add to cart