Sennheiser HD300 Pro Studio Headphones - SEN-HD300PRO

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product overview
product overview
  • Circumaural, Sound-Isolating Design
  • Up to 32 dB Passive Noise Reduction
  • Padded Headset for Prolonged Listening
  • 6 Hz to 25 kHz Frequency Response
The Sennheiser HD 300 PRO is a closed-back, circumaural pair of headphones designed for mixing and other pro audio applications. With a frequency response of 6 Hz to 25 kHz, these headphones provide clear reproduction of audio, doing so while offering up to 32 dB of passive noise-reduction. The headphone's dynamic drivers offer a linear frequency response throughout the entire spectrum. They are constructed to remain distortion-free, even when pushed to an SPL of up to 123 dB.

The HD 300 Pro sports viscoelastic earpads that are intended to be comfortable and facilitate extended, prolonged listening sessions. The isolation of the acoustic drivers within the unit's earcups lends to the experience, bolstering passive noise isolation as well as long-lasting comfort. The included, exchangeable cable measures 4.9', and terminates in a 3.5mm connection. A 1/4" adapter is included.
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Driver Type Dynamic
Design Over-Ear (Circumaural)
Earcup Style Closed-Back


Frequency Response 6 Hz to 25 kHz
Sensitivity 108 dB at 1 kHz
Impedance 64 Ohms
Maximum Sound Pressure Level (SPL) 123 dB at 1 kHz
Maximum Power Handling 500 mW
Active Noise Cancellation No
Noise Attenuation Up to 32 dB
Foldable Yes
Contact Pressure 6 N


Audio Connector 1/8" / 3.5 mm TRS Straight
Adapter (Included) 1/4" TRS


Cable Design Single-Sided
Cable Color Black
Detachable No
In-Line Remote/Microphone No
Cable Length 4.92' / 1.5 m (Flat)


Weight 10.48 oz / 297 g without Cable
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What’s In The Box
Sennheiser HD300 Pro Studio Headphones - SEN-HD300PRO
  • 1/4" Adapter
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