Tag Archives: 12dB volume gain

As a music lover, I have never been one for things that claim to boost sound or signal external to the music device itself.  I even hummed and hawed when  Ari asked, but hesitantly agreed to try out Helm Audio’s newest DB12 AAAMP Mobile Headphone Amplifier.  The DB 12, at least in my vision of things, is meant for smartphones …

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