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Processor Unit

Assembly

Belt-mounted amplifier with DSP and tone controls. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.

Processor Unit parts and their functions

6 top-level parts · 113 parts in total · full bill of materials below
Processor Unit parts diagram: 1 main PCB, 2 power amplifier module, 3 tone & EQ module, 4 input preamp, 5 output stage, 6 fastener set. 113 parts in 6 top-level items.
Processor Unit parts diagram. Numbers match the table below; each box is one top-level part or assembly with what it contains.
#PartQtyWhat it does
1 Main PCB 5 parts 1× MCU with audio routing and gain control.
2 Power Amplifier Module 4 parts 1× Class-AB output stage driving external speaker to 100 dB SPL.
3 Tone & EQ Module 3 parts 1× Bass/mid/treble tone stack with analog potentiometer control.
4 Input Preamp 4 parts 1× Microphone preamplifier with phantom power option.
5 Output Stage 3 parts 1× Speaker connector and output monitoring.
6 Fastener Set 1× Bolts, nuts, and washers.

3D model

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Build & assembly graph

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Bill of materials for Processor Unit

6 top-level lines · 25 rows shown · 113 parts total · indented to 3 levels
# Item / sub-assembly Part no. Qty/assy Ext. qty Parts Type
1 Main PCB 5 parts voice-amplifier-main-pcb 1× 1 44 assembly
1.1 Bare PCB pcb-bare 1× 1 · part
1.2 Microcontroller mcu 1× 1 · part
1.3 DAC IC voice-amplifier-dac 1× 1 · part
1.4 ADC IC voice-amplifier-adc 1× 1 · part
1.5 SMD Passive (R/C/L) smd-passives 40× 40 · part
2 Power Amplifier Module 4 parts voice-amplifier-power-amp 1× 1 23 assembly
2.1 Output Amp IC voice-amplifier-output-amp-ic 1× 1 · part
2.2 Output Transformer voice-amplifier-output-transformer 1× 1 · part
2.3 Speaker Protection voice-amplifier-speaker-protection 1× 1 · part
2.4 SMD Passive (R/C/L) smd-passives 20× 20 · part
3 Tone & EQ Module 3 parts voice-amplifier-tone-eq 1× 1 24 assembly
3.1 Tone Potentiometer voice-amplifier-tone-potentiometer 3× 3 · part
3.2 Tone Network voice-amplifier-tone-network 1× 1 · part
3.3 SMD Passive (R/C/L) smd-passives 20× 20 · part
4 Input Preamp 4 parts voice-amplifier-input-preamp 1× 1 18 assembly
4.1 Mic Amp IC voice-amplifier-mic-amp-ic 1× 1 · part
4.2 Phantom Power Supply voice-amplifier-phantom-power 1× 1 · part
4.3 Input Filter voice-amplifier-input-filter 1× 1 · part
4.4 SMD Passive (R/C/L) smd-passives 15× 15 · part
5 Output Stage 3 parts voice-amplifier-output-stage 1× 1 3 assembly
5.1 Speaker Jack voice-amplifier-speaker-jack 1× 1 · part
5.2 Output Coupling Cap voice-amplifier-output-coupling 1× 1 · part
5.3 Fastener Set fastener-set 1× 1 · part
6 Fastener Set fastener-set 1× 1 · part

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Where the processor unit is used

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

Used in 1 assembly

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.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 Corp
venture.com.sg ↗
Singapore Electronics contract mfg 1,000 pcs 6–10 wks