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Main Board

Assembly

Audio DSP/SoC, Class-D amplifiers, DAC, HDMI eARC/optical/USB, and WiFi/BT module. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.

Main Board parts and their functions

10 top-level parts · 238 parts in total · full bill of materials below
Main Board parts diagram: 1 bare PCB, 2 compute SoC module, 3 microcontroller, 4 class-D amplifier IC, 5 audio DAC, 6 SMD passive (R/C/L), 7 HDMI eARC connector, 8 optical input, 9 connector, 10 WiFi/BT module. 238 parts in 10 top-level items.
Main Board parts diagram. Numbers match the table below; each box is one top-level part or assembly with what it contains.
#PartQtyWhat it does
1 Bare PCB 1× Bare main PCB (reuse)
2 Compute SoC Module 1× Audio DSP/SoC (reuse)
3 Microcontroller 1× System control MCU (reuse)
4 Class-D Amplifier IC 8× Class-D amplifier ICs
5 Audio DAC 1× Audio DAC
6 SMD Passive (R/C/L) 220× Resistors/caps/inductors (reuse)
7 HDMI eARC Connector 1× HDMI eARC connector
8 Optical Input 1× TOSLINK optical input
9 Connector 3× USB + board-to-board connectors (reuse)
10 WiFi/BT Module 1× WiFi/BT combo module

3D model

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Build & assembly graph

expand / collapse · shared sub-assemblies converge · links to related products · est. labour
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Bill of materials for Main Board

10 top-level lines · 10 rows shown · 238 parts total · indented to 3 levels
# Item / sub-assembly Part no. Qty/assy Ext. qty Parts Type
1 Bare PCB pcb-bare 1× 1 · part
2 Compute SoC Module soc-module 1× 1 · part
3 Microcontroller mcu 1× 1 · part
4 Class-D Amplifier IC soundbar-classd-amp 8× 8 · part
5 Audio DAC soundbar-dac 1× 1 · part
6 SMD Passive (R/C/L) smd-passives 220× 220 · part
7 HDMI eARC Connector soundbar-hdmi-earc 1× 1 · part
8 Optical Input soundbar-optical-in 1× 1 · part
9 Connector connector 3× 3 · part
10 WiFi/BT Module soundbar-wifi-bt-module 1× 1 · part

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Where the main board is used

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

Used in 1 assembly

Dolby Atmos Soundbar

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 $1–$200. How estimates work
VendorHQSpecialtyMOQLead time
🇨🇳JLCPCB
jlcpcb.com ↗ 		Shenzhen, CN PCB fabrication 100 pcs 2–4 wks
🇨🇳PCBWay
pcbway.com ↗ 		Shenzhen, CN PCB fab & assembly 100 pcs 2–4 wks
🇨🇳Shennan Circuits
scc.com.cn ↗ 		Shenzhen, CN PCB manufacturer 100 pcs 2–4 wks
🇮🇳Shogini Technoarts
shogini.com ↗ 		Mumbai, IN PCB manufacturer 100 pcs 2–4 wks
🇸🇬Venture Corp
venture.com.sg ↗ 		Singapore Electronics contract mfg 100 pcs 2–4 wks