hifiocean
O2 (Objective2) Headphone Amplifier Board
Regular price
$5.95
The O2 is a small portable headphone amplifier (HPA) designed by NwAvGuy. The O2 HPA compares well in listening tests with much more expensive gear.
- O2 HPA Summary
- O2 HPA Details
- O2 HPA schematic, board layout and part list (BOM)
- O2 HPA part list (BOM) in a Google spreadsheet
- O2 Discussion as diyAudio.com
- Shared project at Mouser - doesn't include the enclosure, the batteries, and the external power supply
- NEW! Illustrated board assembly guide
