Objective2 Headphone Amplifier – Full Kit

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All parts needed to build one Objective2 headphone amplifier – batteries sold separately

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SKU: KIT-O2-FULL Category: Tags: , , ,


Complete set of parts to build one Objective2 Headphone Amp. This is a design of the US blogger and electrical engineer NwAvGuy which is produced under the Common Creative License.

you can choose between different case colors and different front panels as well 3 kind of volume knobs.

Set contains:

  • 1x PCB
  • 1x Part Kit (including optional gain resistors and SIP Socket)
  • 1x Enclosure with screws and rubber feet
  • 1x Set of panels readily drilled with silk screen
  • 1x Power Supply 15VAC 500mA (European, UK, AU or US plug)

For Build instructions please refer to NwAvGuy’s blog for details.

Please be aware that the capacitors C6 & C7 have been changed back in 2011 to 1uF ceramic caps, this is reflected in the updated BoM (dated Dec. 2011) but unfortunately not in the docu pack.

Additional information

Weight N/A
Power Supply


Volume Knob

Black, Silver


Black, Silver

1 review for Objective2 Headphone Amplifier – Full Kit

  1. Scotty

    Nice DIY kit, even for quite unexperienced people. There‘s a lot of documentation available in the Internet that helps building this kit (I strongly recommend to read those articles). If thoroughly soldered and built-up it will result in a nice little device with great sound.

    The kit comes with everything to build a complete ready-to-use device, everything fits nicely together. Great kit!!

    Thanks to NWAVguy for this publicly available project, it provides everything you need to have in a headphone amp. You can even do a lot of personal modifications according to your needs.

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