battery amp
  1. povidlo

    Korg HA-S Portable Tube Headphone Amplifier with Nutube (DIY Kit- No Soldering!)

    A Pristine, Compact Sound Amplifier You Build Yourself The HA-S is a Nutube-equipped DIY Headphone amp kit that will let you enjoy the highest quality audio anywhere. No soldering is required, so even if you are new to the world of DIY, you will be able to assemble the HA-S to add a warm, analog...
  2. Korg Nu:Tekt HA-S Nutube Headphone Amplifier

    Korg Nu:Tekt HA-S Nutube Headphone Amplifier

    The HA-S is a Nutube-equipped DIY Headphone amp kit that will let you enjoy the highest quality audio anywhere. No soldering is required, so even if you are new to the world of DIY, you will be able to assemble the HA-S to add a warm, analog tube-driven signal boost to any sound source in no...
  3. povidlo

    Topping NX7 Portable Headphone Amplifier

    This is a dedicated thread for discussion regarding Topping NX7 portable headphone amplifier. Topping blessed the marketplace with NX7, which it out of current trend. Pure analog portable amps are a dying art with roll out of bigger and stronger DAC/amps combos and dongles, but there’s still a...
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