A companion MaidenAudio smartphone app is available for iOS and Android and includes exclusive custom EQ settings. Harris says: "I knew that I would need some really good headphones to use for playback of the mixes of The Book Of Souls. I'd actually started looking into this about 18 months prior to when we started recording because I'd been struggling to find a design which came even remotely close to what I felt was an acceptable sonic standard for rock and metal.

"My main objective was for a balance that wasn't just top and bottom heavy with hardly any mid range like a lot of headphones these days that are basically designed for dance music. I wanted a good balance across the widest bandwidth incorporating a lot more mid range frequencies, something I strongly feel is vital to appreciate the complexities of our music and rock and metal in general." Read more - here.

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