January 12, 2026
Description
Here is my model of Bluetooth speaker powered by 5 amplifiers (AMP) and ADAU1701 (DSP).
Have in mind that it's still in development, and I will be adding much more to it in future.
Here are some things about internals of this speaker:
AMPs:
2x TPA3116 24VDC 50W on 4ohms
3x TPA3118 16VDC 25W on 4ohms
DSP:
1x ADAU1701
Speakers:
2x LF: Dayton Audio TCP115-4 4
2x HF: Dayton Audio ND16FA-4 Dome Tweeter
1x FR: Dayton Audio PC83-4 3" Full-Range Poly Cone Driver
(All in PDF file)
Converters:
4x Converter DC-DC step-up & step-down XL6009
1x step-up/down buck-boost 1.25V-30V 5A
BMS:
1x BMS 6S 40A for Li-Ion batteries
PD trigger:
1x USB-C 100W 5A PD QC
All rights Reserved for this speaker
License:
Creative Commons — Attribution — Noncommercial — Share Alike
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