Mason Jar Portable Speaker & Guitar Amp
Mason Jar Portable Speaker & Guitar Amp
Mason Jar Portable Speaker & Guitar Amp
Mason Jar Portable Speaker & Guitar Amp
Mason Jar Portable Speaker & Guitar Amp
Mason Jar Portable Speaker & Guitar Amp

Let's face it: the speakers on your phone & laptop aren't loud enough. So grab a Mason Jar Speaker KIT from Trash Amps (www.trashamps.com) & build a Mason Jar Speaker to play tunes from your smartphone, tablet and laptop. BUT WAIT: it's also an electric guitar amplifier! Plug in & bust out those wicked solos. Great first project, you'll have music after 21 solder joints & some simple assembly. Impress your friends with a speaker you built with your own hands!

Time Required: 1 hour for a beginner

What you'll need:

  • Mason Jar Speaker KIT (www.trashamps.com) $39
  • Wide mouth mason jar with the metal ring that holds the top on
  • Soldering iron
  • Solder
  • Phillips head screwdriver
  • Wire clippers
  • Ruler

    More details about the Mason Jar Speaker KIT:

  • High Quality, High Volume Sound - ample sound for your bedroom, kitchen, or backyard BBQ. People are always surprised at the amazing volume and full range sound created by the 2 inch full range speaker and 2.4W amplifier (140 to 20 kHz).
  • Compatibility - works with any device with a headphone jack (smart phones, iPods, tablets, etc). Also functions as an electric guitar amp.
  • Fun for both beginner and advanced makers - check out the assembly video and text instructions below. Only 21 solder joints (basic soldering knowledge required). Assembly requres less than 1 hour from start to music.
  • Made in USA - high quality product with USA sourced materials, prepared in California by two dudes who love speakers.
  • Modular Design - headers connect the speaker and battery pack to the circuit board, so you can easily try different configurations or replace a broken part.
  • Sustainable Enclosure - most portable speakers come in a plastic box, which is a problem because less than 7% of plastics are recycled in the US. The glass Mason Jar is Earth-friendly because it is easily reused and recycled, plus you might already have one at home.
  • Strong, High Quality Cord - connect your device, fits in any 3.5mm headphone jack. Use ¼" adapter for guitar.
  • Long Battery Life - 3 AAA Batteries give you about 15 hours of jam time/easy listening (not included).
  • What's Not Included - make sure you have access to these items: soldering iron, solder, phillips head screwdriver, wire clippers, ruler and 3 AAA batteries.

    Step 1: Getting Started

    Mason Jar Portable Speaker & Guitar Amp
    Mason Jar Portable Speaker & Guitar Amp

    Make sure you have everything you need:

  • Mason Jar Speaker KIT from www.trashamps.com $39
  • Wide mouth mason jar with the metal ring that holds the top on
  • Soldering iron
  • Solder
  • Phillips head screwdriver
  • Wire clippers
  • Ruler

    Here you can see an image of the finished PCB. Please reference this image as you put together the kit!

    Step 2: Solder 3.5mm Jack to PCB (5 solder joints). Make sure part lies flat against PCB. Use this image as a reference.

    Mason Jar Portable Speaker & Guitar Amp

    Step 3: Solder Right Angle Male Header to PCB (2 solder joints). Use this image as a reference.

    Mason Jar Portable Speaker & Guitar Amp

    Step 4: Solder Male Header to PCB (2 solder joints). Use this image as a reference.

    Mason Jar Portable Speaker & Guitar Amp

    Step 5: Solder 2x 5mm LED to PCB (4 solder joints) and cut off extra leads. Use this image as a reference.

    Mason Jar Portable Speaker & Guitar Amp

    Step 6: Solder Switch to PCB (8 solder joints).

    Mason Jar Portable Speaker & Guitar Amp

    Place Switch on the side of the PCB marked "Switch on this side for Jar KIT". Make sure part lies flat against PCB. Use this image as a reference.

    Step 7: Attach Battery Holder to wooden piece on bottom of Speaker with 2 flat-head screws. Do not over-tighten. One extra screw included.

    Mason Jar Portable Speaker & Guitar Amp

    Step 8: Attach Speaker to Wooden Top with 2 button head screws. Do not over-tighten. One extra screw included.

    Mason Jar Portable Speaker & Guitar Amp

    Step 9: Attach PCB to Wooden Top with 3.5mm Jack Nut and Toggle Switch Nut.

    Mason Jar Portable Speaker & Guitar Amp

    Step 10: Plug in Battery Holder Header to Right Angle Male Header. Plug in with correct orientation: red wire = positive, black wire = negative. Hooking this up backwards can damage your PCB!

    Mason Jar Portable Speaker & Guitar Amp

    Step 11: Plug in Speaker Header to Male Header. Plug in with correct orientation: red wire = positive, black wire = negative. Use this image as a reference.

    Mason Jar Portable Speaker & Guitar Amp

    Step 12: After ensuring Battery Holder is connected with correct orientation, insert 3 AAA Batteries (not included) into Battery Holder. Battery life approx. 15 hours.

    Mason Jar Portable Speaker & Guitar Amp

    Step 13: Great job, your speaker is ready to rock!

    Mason Jar Portable Speaker & Guitar Amp
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