Certified Pre-Owned & Factory Demo ABYSS Headphones
The Evolution of Sound is the official destination for factory-certified pre-owned, trade-in, and demo ABYSS headphones. Every bespoke audio instrument is rigorously inspected, tested, and authenticated at our New York, USA facility to guarantee it meets our uncompromising standards for acoustic perfection.
- Factory Certified Authenticity: Every pre-owned and demo unit is meticulously inspected and acoustically measured by the same expert technicians who build them.
- Official Trade-In Program: Securely trade in your current ABYSS gear to seamlessly upgrade to our newest flagship models.
- Rare & Demo Inventory: Access highly sought-after New Old Stock (NOS) and pristine factory demo units directly from the manufacturer.
- Uncompromising Performance: Experience the exact same massive soundstage, zero distortion, and extreme clarity of a brand-new ABYSS headphone, backed by our trusted support.