Photo 1 of Monoprice (Open Box) Monolith Portable Headphone Amplifier and DAC with THX AAA 788 Amplifier Module for Superior Amplification and Extended Battery L

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Photo 1 of Monoprice (Open Box) Monolith Portable Headphone Amplifier and DAC with THX AAA 788 Amplifier Module for Superior Amplification and Extended Battery L Photo 2 of Monoprice (Open Box) Monolith Portable Headphone Amplifier and DAC with THX AAA 788 Amplifier Module for Superior Amplification and Extended Battery L Photo 3 of Monoprice (Open Box) Monolith Portable Headphone Amplifier and DAC with THX AAA 788 Amplifier Module for Superior Amplification and Extended Battery L