PreSonus HD9 Professional Monitoring Headphones — High-Power Handling, Closed-Back, Circumaural Acoustic Design Studio Recording Headphones for Professional Mixing and Monitoring

Closed back, circumaural acoustic design · Two-way, 180° cup rotation · Tailored frequency response (10 Hz - 26 kHz) · Accurate low-frequency response · High-power handling (1, 800 mW @ 40Ω, 900 mW per channel) · 45 mm dynamic, neodymium drivers · 96 dB sensitivity (3 dB) · 10 foot (3M), straight, single-sided cable with 1/8 inch Connector · Gold-plated 1/8 inch-to-¼ inch adapter included · Storage bag included