Welcome to the world of high-end sound! This is a listing for the Sennheiser IE900, including the main unit and a set of 3 genuine balanced/unbalanced cables. [Shipping Included / Authentic Genuine Product] This is a used Sennheiser (SENNHEISER) flagship wired earphone, the IE 900. It excels in high resolution and natural tone/soundstage expression, making it a high-end model suitable for those who want to enjoy music as it is. ⸻ ✅ Condition ・Operation confirmed (no problems) ・MMCX terminals, cables, and housings are all in good condition ・No nozzle clogging ・Stored in a non-smoking, pet-free environment ・Appearance: There are very minor scratches and scuffs from use, but no noticeable stains. ・No impact on sound quality or operation ⸻ ✅ Accessories ・Genuine 2.5mm balanced cable ・Genuine 3.5mm unbalanced cable ・Genuine 4.4mm balanced cable ※No other accessories are included. ⸻ ✅ Operation Check Details ・Auditioned with iPhone 12 Pro / FiiO M11 ・Sound output is normal on both left and right sides ・20Hz〜20kHz No distortion or noise, normal phase ・No disconnection or poor contact during cable operation ・DC resistance: L 16.6Ω / R 16.6Ω → No abnormalities ⸻ ⚠️ Notes ・Please refrain from purchasing if you are sensitive to used items. ・Price negotiation is possible (significant discounts are not possible) ・Shipped within 24 hours of payment confirmation ⸻ Recommended for those looking for high-quality sound earphones. Instant purchase welcome - first come, first served!