หูฟังมอร์นิเตอร์ Beyerdynamic DT770 Pro 250 Ohm แถมฟรี !! ซองใส่หูฟัง Beyerdynamic Beyerdynamic DT 770 PRO 250 Ohm · Headphone Beyerdynamic DT770pro Closed Circumaural Studio Headphones Beyer's DT770 pro headphones are designed for serious studio use. 250 impedance, 5 Hz to 35 kHz frequency response, and a comfortable closed-ear design. The DT 770’s closed diffuse-field system allows the user to exclude ambient sounds while still experiencing an open spatial feel- important for professionals who require a full bass sound as well as clinically accurate high and mid-range reproduction. FEATURES • Closed-back design • "Bass reflex" technology for improved bass response • Rugged headband construction • Single-sided cable