Sennheiser HD300 PRO

High-resolution closed-back headphones for detailed monitoring in studio, stage, or broadcast environments. Accuracy meets endurance. Designed for demanding environments, the Sennheiser HD 300 PRO offers highly detailed sound, exceptional passive noise attenuation, all-day comfort, reliable audio clarity and rugged build quality. Features High-resolution, distortion-free sound reproduction Linear frequency response (6 Hz – 25 kHz) Exceptional passive noise attenuation (up to 32 dB) Circumaural, closed-back design Viscoelastic earpads for high isolation and comfort Robust design with replaceable cable and headband padding Recessed headband pad for pressure relief Optimized contact pressure (~6 N) for secure, stable fit Hum and structure-borne noise rejection Coiled cable with low handling noise Maximum SPL: 123 dB Lightweight (approx. 297g without cable) Assembled in Europe Backed by Sennheiser’s 2-year warranty Top Specs Max. sound pressure level123 dB SPL @ 1 kHz Noise cancellation (db)≤32 dB Power consumption (Amp)500 mW Sensitivity108 ±3 dB SPL / 1 V rms / 1 kHz Transducer typeDynamic Wearing styleOver-ear ConnectionWired Clarity for Critical Work The HD 300 PRO was designed with broadcast engineers, FOH mixers, and detail-focused creators in mind. Precision transducers and a linear frequency response deliver transparent, high-resolution sound—even in loud environments. Ideal for engineers, FOH techs, and content creators who demand performance they can rely on. Comfort that Holds Up Viscoelastic earpads and an ergonomic fit ensure lasting comfort through long shifts, rehearsals, or commutes. The headband features a recessed pressure zone to reduce hotspots, while balanced contact pressure keeps things stable and secure. Serviceable by Design Built for environments where uptime matters, the HD 300 PRO features modular components that can be easily replaced in the field—earpads, headband padding, and cable are all user-serviceable. Ready for the Real World From OB trucks to orchestral pits, the HD 300 PRO is ready for professional use. Excellent isolation (up to 32 dB), durable construction, and confident sound reproduction make it the closed-back of choice for high-stakes sessions. The HD 300 PRO raises the bar with greater resolution, enhanced comfort, and professional refinement. Sennheiser HD 300 PRO Specs Key Specs Wearing Style Dual Ear with Headband Foldable: Yes Earpiece Swivel: No Open/Closed-Back Closed-Back Impedance 64 Ohms Active Noise Cancellation No Frequency Response 6 Hz to 25 kHz Built-In Mic No Audio Connector 1x 1/8" / 3.5 mm TRS Included Adapter 1/4" TRS Headphone Wearing Style Dual Ear with Headband Foldable: Yes Earpiece Swivel: No Earpiece Design Over-Ear (Circumaural) Open/Closed-Back Closed-Back Sound Field Stereo Driver Type Dynamic Impedance 64 Ohms Active Noise Cancellation No Frequency Response 6 Hz to 25 kHz Sensitivity 108 dB at 1 kHz / 1 Vrms (Passive) Maximum Sound Pressure Level (SPL) 123 dB at 1 kHz Maximum Power Handling 500 mW Built-In Controls No Microphone Built-In Mic No Connectivity Wired Audio Connector 1x 1/8" / 3.5 mm TRS Included Adapter 1/4" TRS Cable Design Non-Detachable / Coiled Cable Length 4.9' / 1.5 m Physical Color Black Environmental Resistance No Weight 10.5 oz / 297 g (without Cable)