Superlux Professional Monitor Headphones HD681 Semi-open

---------------------------------------------------------------------- 【JOOM Approved! Sold & Shipped by Trusted Japanese Sellers】

🔹 Operated by Verified Japanese Sellers – Approved by JOOM, our experienced Japanese sellers provide reliable service. 🔹 Direct Shipping from Japan – Carefully packed and promptly shipped straight from Japan. 🔹 Japanese-Standard Quality Control – Strict inspections ensure only high-quality products reach you. 🔹 About Included Manuals – If a manual is included, it will primarily be in Japanese. We recommend using image translation apps if needed. ---------------------------------------------------------------------- Driver unit: 50mm dynamic type/neodymium magnet Sensitivity: 98dB SPL/mW Frequency band: 10Hz ~ 30,000Hz Impedance: 32Ω Maximum input: 300mW