Last we heard from V-moda, the company was appealing to audiophile sensibilities with its $300 Crossfade M-100 portable headphones. Continuing in that respect, today it's officially unveiling the Vamp Versa as a followup to last summer's $650 iPhone 4/4S-purposed Vamp spy tool headphone amp, DAC & case combo. The aluminum-clad Verza is a device-agnostic solution that uses a sliding dock system with speci
