About CIRCUIT
CIRCUIT is a fictional electronics brand, made to show the POLYMATH theme. We make a small range of audio, wearables and desk gear, and we design every one of them to be opened again.
Specifications and policies on this page are demo values.
Built to be repaired
Every part you can replace
Pulse ANC comes apart with one screwdriver. Choose a part to see where it sits.
Support
What you get after checkout
Two-year warranty
On every device, against manufacturing faults. (Demo policy.)
Firmware updates
New features and fixes over the app, for as long as we sell the device and after. (Demo.)
Parts on their own
Cushions, batteries, pads and straps, each with a repair guide.
A person answers
Open a requestSetup, pairing or a fault: a person replies within one working day. (Demo.)
Can I replace the battery myself?
Yes, on Pulse ANC and Boom Go. It takes a small screwdriver and about fifteen minutes; the guide comes with the part. (Demo.)
How long do you sell parts for?
For at least five years after a device stops being sold. (Demo policy.)
Does opening it void the warranty?
No. Replacing a part with one of ours keeps the warranty intact. (Demo policy.)
What happens to devices you take back?
They are checked, repaired where needed and sold again as refurbished, or taken apart for parts. (Demo.)
Signal
Firmware notes, once a month
What changed, what is next and one repair guide. No launch hype.