Main Amplifier Unit Assembly
Pocket-sized processor box with mic input and wireless TX. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.
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Bill of materials
6 top-level lines · 15 rows shown · 86 parts total · indented to 3 levels| # | Item / sub-assembly | Part no. | Qty/assy | Ext. qty | Parts | Type |
|---|---|---|---|---|---|---|
| 1 | Main Case | hearing-amplifier-main-case | 1× | 1 | — | part |
| 2 | Processor Board 5 parts | hearing-amplifier-processor-board | 1× | 1 | 54 | assembly |
| 2.1 | Bare PCB | pcb-bare | 1× | 1 | — | part |
| 2.2 | Microcontroller | mcu | 1× | 1 | — | part |
| 2.3 | Audio DSP IC | hearing-amplifier-audio-dsp | 1× | 1 | — | part |
| 2.4 | DSP Memory | hearing-amplifier-dsp-memory | 1× | 1 | — | part |
| 2.5 | SMD Passive (R/C/L) | smd-passives | 50× | 50 | — | part |
| 3 | Audio DSP Module 4 parts | hearing-amplifier-dsp-module | 1× | 1 | 28 | assembly |
| 3.1 | DSP Processor | hearing-amplifier-dsp-ic | 1× | 1 | — | part |
| 3.2 | Audio Codec | hearing-amplifier-codec-ic | 1× | 1 | — | part |
| 3.3 | Filter Network | hearing-amplifier-filter-network | 1× | 1 | — | part |
| 3.4 | SMD Passive (R/C/L) | smd-passives | 25× | 25 | — | part |
| 4 | Microphone Preamp | hearing-amplifier-mic-preamp | 1× | 1 | — | part |
| 5 | Battery Dock | hearing-amplifier-battery-dock | 1× | 1 | — | part |
| 6 | Fastener Set | fastener-set | 1× | 1 | — | part |
Used in 1 assembly
Sourcing — likely vendors
Companies that make this · indicative price $0.50–$100 · MOQ & lead are typical| Vendor | HQ | Specialty | MOQ | Lead time |
|---|---|---|---|---|
| 🇨🇳Foxconn foxconn.com ↗ | Shenzhen, CN | Electronics contract mfg | 1,000 pcs | 6–10 wks |
| flex.com ↗ | Singapore | Electronics contract mfg | 1,000 pcs | 6–10 wks |
| dixoninfo.com ↗ | Noida, IN | Electronics contract mfg | 1,000 pcs | 6–10 wks |
| bydelectronic.com ↗ | Shenzhen, CN | Electronics contract mfg | 1,000 pcs | 6–10 wks |
| venture.com.sg ↗ | Singapore | Electronics contract mfg | 1,000 pcs | 6–10 wks |