Abyss AB-1266 Phi TC Reference Headphones Complete

In working condition, head strap has  broken strands, ear pads show wear, see photos for details.  Key Specifications (AB-1266 Phi TC) Type: Open-back Planar Magnetic Driver: 66mm Planar Magnetic Frequency Response: 5 Hz - 30 kHz Impedance: 47 Ohms (nominal) Sensitivity: 88 dB/mW Distortion: <1% (total); <0.2% (through ears' most sensitive range) Weight: ~640 grams (without cables) Frame: Aluminum with Polymer Ceramic Coating Earpads: Lambskin Leather  Design & Features Construction: All-aluminum frame, stainless steel hardware, made in the USA. Acoustics: Designed for an expansive, "loudspeaker-like" sound with powerful bass and clarity, achieved through unique driver tuning and open design. Adjustability: Headband and cup angle are adjustable for personalized fit and sound tuning. Cables: High-performance cables included (e.g., 4-pin XLR balanced).