The Sony MDR-7509 professional audio headphones product leaflet provides specifications, features, and design details for studio monitoring.
The Sony MDR-7509 headphones are designed for high‑end sound monitoring in recording studios, radio, film production, and other professional audio environments. They feature a closed, supra‑aural design with a large 50 mm driver unit and a rugged, foldable construction for easy transport.
Key specifications include a 5 Hz‑30 kHz frequency response, 3000 mW power handling, 24 Ω impedance, and a sensitivity of 107 dB/mW. The headphones use a neodymium magnet, oxygen‑free copper voice coil, and a gold‑plated UniMatch plug for reliable signal transmission, and they come with a coiled cord and a soft carrying case.
| Driver unit size | 50 mm |
|---|---|
| Frequency response | 5 Hz – 30 kHz |
| Impedance | 24 Ω |
| Sensitivity | 107 dB/mW |
| Power handling capacity | 3000 mW |
| Cord length | 9.8 ft |
| Weight | 10.6 oz |
The MDR-7509 provides a frequency response from 5 Hz to 30 kHz.
It uses a 50 mm driver unit.
Yes, it features a convenient folding design with a supplied carrying case.
The headphones can handle up to 3000 mW of power.