Handheld Listening Device Design

Job ID: 39566864

Budget: $250 – $750 AUD

I'm seeking an audio electrical expert to design and assemble a compact handheld listening device.

Requirements:
- Compact design: max 10cm x 10cm x 10cm
- Use off-the-shelf products/electronics for easy online purchase and replication
- Mobile: incorporate a replaceable battery system
- Simple plug-in electronics
- Design enables listening to a soft-speaking person from a distance using earplugs while blocking external noise

Device components:
- Unidirectional microphone
- Battery pack (replaceable)
- Amplifier
- Earplugs
- Associated connectors (USB)

Ideal skills and experience:
- Proficiency in audio electronics design
- Experience with compact, battery-operated devices
- Familiarity with off-the-shelf electronic components
- Strong understanding of noise-cancellation technology