Sourcing & Buying Guides
Practical, neutral guidance on sourcing true wireless earbuds — from choosing a supplier to reading a quotation. Written from the supply-side, for the buy-side.
Realistic BOM price ranges for chipsets, drivers, batteries, mics and cases. Use it to sanity-check any quotation — it explains most of the spread between a $4 and a $40 earbud.
CE, FCC, BQB, RoHS, UKCA: costs, timelines and the three mistakes that get first-time importers' shipments stopped.
A buyer's teardown: acoustic architecture, chipsets, antennas and batteries — and the exact questions to ask a supplier.
The signals that reveal whether you're buying from the source or paying a middleman's margin.
Tooling, certification, packing, shipping terms — what should be itemized and what "all-inclusive" usually hides.