Skip to content
  • Facebook
  • Instagram
  • YouTube

Notice: Change in Bottlehead ownership

Notice: Read about Bottlehead's ownership change.

Get 10% off when you order 2 or more amplifier kits.

Questions? Start with our forums.
  • Home
  • Products
  • Contact
  • Forums
  • Blog
  • Shipping Status
Login
  • Facebook
  • Instagram
  • YouTube
Search
Bottlehead
  • HomeHome
  • ProductsProducts
  • ContactContact
  • ForumsForums
  • BlogBlog
  • Shipping StatusShipping Status
Search Login Cart 0
Cart

Your cart is currently empty.

Not sure where to start?
Try these collections:

  • Continue shopping
    Order special instructions
    Estimate shipping rates
    Discount
      Taxes included and shipping calculated at checkout.
      Subtotal
      $0.00 USD
      View cart
      Recently viewed
      Search

      We use cookies

      This site uses cookies for better user experience and analytics.
      Home Search Shop 0 Cart Account
      Upgrade Kits - Bottlehead

      Upgrade Kits

      Can you improve upon perfection? We think so. Our upgrades can bring additional functionality or reduce. Buy upgrades whenever you want, but we recommend building your kits stock before upgrading. 
      • Collections
      • Upgrade Kits
      Filter and sort
      Price
      $
      to
      $
      Product type
      Filters
      Price
      $
      to
      $
      Product type
      Sort by:
      Featured Sort by
      Merry Crackmas Bundle - Bottlehead
      Vendor:Bottlehead

      Bottlehead Speedball 1.1 Upgrade for Crack Amplifier

      $115.00
      Moreplay Upgrade Kit - Bottlehead
      Vendor:Bottlehead

      Moreplay Upgrade Kit

      $289.00
      Stereomour II Shunt Regulator Upgrade Kit - Bottlehead
      Vendor:Bottlehead

      Stereomour II Shunt Regulator Upgrade Kit

      $89.00
      BeePre2 Output Upgrade - Hybrid Shunt Regulator and Low Impedance Balanced Output - Bottlehead
      Vendor:Bottlehead

      BeePre2 Output Upgrade - Hybrid Shunt Regulator and Low Impedance Balanced Output

      $249.00
      DC filament supply for Stereomour II amplifier - Bottlehead
      Vendor:Bottlehead

      DC filament supply for Bottlehead Stereomour II amplifier

      $195.00
      DC filament supply for Kaiju 300B amplifier - Bottlehead
      Vendor:Bottlehead

      DC filament supply for Bottlehead Kaiju 300B amplifier

      $195.00
      Bee2Quiet Stepped Attenuator/Constant Current Source Upgrade for BeePre2 - Bottlehead
      Vendor:Bottlehead

      Bee2Quiet Stepped Attenuator/Constant Current Source Upgrade for BeePre2

      $349.00
      MourQuiet Stepped Attenuator Upgrade for Stereomour II - Bottlehead
      Vendor:Bottlehead

      MourQuiet Stepped Attenuator Upgrade for Stereomour II

      $269.00
      TwoQuiet Stepped Attenuator Upgrade for Crackatwoa Headphone Amplifier - Bottlehead
      Vendor:Bottlehead

      Bottlehead TwoQuiet Stepped Attenuator Upgrade for Crackatwoa Headphone Amplifier

      $269.00
      Bottlehead S.E.X. 3.0 C4S Upgrade Kit
      Vendor:Bottlehead

      Bottlehead S.E.X. 3.0 C4S Upgrade Kit

      $49.00
      Integration Upgrade for Reduction Phono Preamp - Bottlehead
      Vendor:Bottlehead

      Integration Upgrade for Reduction Phono Preamp

      $179.00

      Customer service

      You can do this! If you run into issues, start by engaging our incredible user forum.

      Fast, Safe Shipping

      We pack and ship after you order using high-quality packing materials.

      Secure payment

      Your payment information is processed securely
      Quick links
      • Search
      • Your privacy choices
      • Contact
      • Blog
      • FAQs
      • About Ordering & Shipping
      • Shipping Status

      618-233-3223

      info@bottlehead.com

      Stay in the loop with an occasional newsletter

      • Facebook
      • Instagram
      • YouTube
      © 2025 Bottlehead. 
      • Privacy policy
      • Refund policy
      • Terms of service
      • Contact information
      • American Express
      • Apple Pay
      • Diners Club
      • Discover
      • Google Pay
      • Mastercard
      • PayPal
      • Shop Pay
      • Venmo
      • Visa
      • Choosing a selection results in a full page refresh.
      • Opens in a new window.