Build your own headphone amplifier!

The HA-S is a DIY (do-it-yourself) headphone amplifier kit equipped with Nutube, allowing you to enjoy the highest quality audio anywhere. No soldering is required, so even if you are new to the DIY world, you can build the HA-S to easily add a warm, analog tube-driven sound to any sound source!

• KORG NU:TEKT HA-S assembly kit.
• No soldering required.
• Nutube tube.
• Special NFB (Negative Feedback) switch, allowing you to choose between a clean high-fidelity sound or a warmer, harmonically richer sound, as expected from a tube.
• For advanced users who want to customize their amplifier even further, circuit diagrams are available, and discrete components can be easily replaced to customize your own unique headphone amplifier to suit your tone and performance preferences. The possibilities are endless!