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|Device||Fastmusic box (FMB)||Jambox||JackTrip Bridge|
& Classic JackTrip
|JackTrip Virtual Studio|
from Symonics, Inc.
||If someone is selling and supporting pre-built Jamboxes, please let me know. The manager of the Jambox project, Kevin Doren, did not think that selling packaged systems was a good business plan, so he open-sourced the Jambox software.||JackTrip Labs
|Build your own||Dr. Howell's instructions (~$190)||
Kevin Doren's instructions (~$70 as of Doren's update 2021 November 27)
As of the summer of 2022, you can get a Raspberry Pi 400, 3.5-A power adapter, and 32-GB microSD card for under $100.
|JackTrip Foundation instructions (similar in cost to Jambox)|
As of the summer of 2022, the Raspberry Pi 4B system board described in the assembly instructions for all three devices above (FMB, Jambox, and JackTrip Bridge) continues to be extremely difficult to find except at scalpers' prices. Simultaneous demand and supply shocks have resulted in the Raspberry Pi Foundation triaging deliveries in favor of commercial/industrial customers.
When building your own device, consider substituting a Raspberry Pi 400 in place of a Raspberry Pi 4B. The Raspberry Pi 400 is overlocked to 1.8 GHz and is already assembled with its case. Despite being fanless, there are reports (Cytron, Tom's Hardware) that the Raspberry Pi 400 is at least as good at staying cool as the Raspberry Pi 4B. In one report (Cytron), the Raspberry Pi 400 remained cooler when tested under load than the Raspberry Pi 4B in an alumnimum case with active fan-based cooling. This paragraph is worded with the care of a molecular biologist's writing because (1) I have not yet done a comparative temperature test, (2) temperature while running Stressberry is not the same as temperature under routine use, and (3) someone reported to me that they observed, instead, that the CPU in the 400 ran "significantly" hotter than the CPU in the Raspberry Pi 4B housed in an Argon ONE case. I have a 400 running Jambox that I'll try to test soon.