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Power Amplifier

Assembly

A class-D stereo amplifier delivering 10-30 W per channel at over 90 % efficiency, the technology that let battery boomboxes get loud again. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.

Power Amplifier parts and their functions

6 top-level parts · 7 parts in total · full bill of materials below
Power Amplifier parts diagram: 1 class-D amp IC, 2 bare PCB, 3 output LC filters, 4 DSP/EQ stage, 5 SMD passive (R/C/L), 6 heat spreader. 7 parts in 6 top-level items.
Power Amplifier parts diagram. Numbers match the table below; each box is one top-level part or assembly with what it contains.
#PartQtyWhat it does
1 Class-D Amp IC 1× Class-D amplifier IC
2 Bare PCB 1× Amplifier board
3 Output LC Filters 2× LC output filters
4 DSP/EQ Stage 1× DSP/EQ stage
5 SMD Passive (R/C/L) 1× Passives
6 Heat Spreader 1× Heat spreader

3D model

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Build & assembly graph

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Bill of materials for Power Amplifier

6 top-level lines · 6 rows shown · 7 parts total · indented to 3 levels
# Item / sub-assembly Part no. Qty/assy Ext. qty Parts Type
1 Class-D Amp IC bbx-classd-ic 1× 1 · part
2 Bare PCB pcb-bare 1× 1 · part
3 Output LC Filters bbx-output-filters 2× 2 · part
4 DSP/EQ Stage bbx-dsp-eq 1× 1 · part
5 SMD Passive (R/C/L) smd-passives 1× 1 · part
6 Heat Spreader bbx-heatsink-plate 1× 1 · part

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Where the power amplifier is used

1 product across 1 domain contain it, directly or inside a sub-assembly

Used in 1 assembly

Portable Boombox

Sourcing: possible vendors

Browse the supplier directory → Prices, MOQ, and lead times are algorithmic estimates, not quotes, and not claims about these companies. Company mappings are curated by keyword; est. price band $0.50–$100. How estimates work
VendorHQSpecialtyMOQLead time
🇨🇳Foxconn
foxconn.com ↗ 		Shenzhen, CN Electronics contract mfg 1,000 pcs 6–10 wks
🇸🇬Flex (Singapore)
flex.com ↗ 		Singapore Electronics contract mfg 1,000 pcs 6–10 wks
🇮🇳Dixon Technologies
dixoninfo.com ↗ 		Noida, IN Electronics contract mfg 1,000 pcs 6–10 wks
🇨🇳BYD Electronics
bydelectronic.com ↗ 		Shenzhen, CN Electronics contract mfg 1,000 pcs 6–10 wks
🇸🇬Venture Corp
venture.com.sg ↗ 		Singapore Electronics contract mfg 1,000 pcs 6–10 wks