Sennheiser HD-400 Pro

Studio headphones Open Circumaural Impedance: 120 Ohm Sound pressure level: 110 dB SPL (1 kHz / 1 V RMS) Frequency range: 6 - 38.000 Hz Total harmonic

Sennheiser HD 400 PRO - Studio Reference Headphones

Sennheiser HD 400 Pro released, Page 4

Sennheiser HD 400 Pro

Sennheiser HD 400 Pro Studio Reference Open Back Dynamic Headphones Bundle with Desktop Headphone Stand and Headphones Case

Sennheiser HD400 Open-back Studio headphones Review

Sennheiser HD 400 Pro Studio Headphones with Open-Back Design, Detachable Cables Launched in India

Sennheiser HD 400 Pro Reference Headphones

Review: Sennheiser HD400 PRO — AudioTechnology

Sennheiser HD 400 PRO studio headphones reveal every audio detail for editing & mastering » Gadget Flow