Sennheiser PXC 550-II Wireless Headphone with Alexa Built-In, Noise Cancellation and Smart Pause - Black
Sennheiser (4044155242805 / 508337)
The Sennheiser HD 300 PRO delivers studio‑grade audio fidelity in a lightweight, ergonomic design that is ideal for long mixing sessions, broadcast monitoring, and critical listening. With its closed acoustic system, dynamic drivers, and robust build quality, this headphone set stands out as a reliable companion for audio professionals.
| Parameter | Value |
|---|---|
| Driver Size | 35 mm (dynamic) |
| Frequency Response | 6 Hz – 25 kHz |
| Impedance | 64 Ω |
| Sensitivity | 108 dB (1 V/Pa) |
| Maximum Input Power | 500 mW |
| Maximum Sound Pressure Level | 123 dB SPL |
| Total Harmonic Distortion (THD) | 0.1 % |
| Cable Length | 3 m (standard) / 1.55 m (alternative) |
| Connector Type | 35 mm TRS |
| Weight | 297 g |
| Operating Temperature | 0 °C – 40 °C |
| Operating Humidity | 0 % – 90 % |
| Packaging Dimensions | 26.6 cm × 41 cm × (height not specified) |
| Package Weight | 7.34 kg per carton of 12 units |
The HD 300 PRO uses a standard 35 mm TRS connector, making it compatible with a wide range of audio interfaces, mixers, studio monitors, and mobile devices that support line‑level output. It is purely wired; no Bluetooth or RF connectivity is available.
The headphones feature a padded, adjustable headband that distributes weight evenly across the skull. Ear cups are cushioned with soft material to reduce fatigue during long sessions. The 35 mm drivers sit just inside the ear cup, ensuring a natural soundstage while maintaining isolation.
Manufactured in Ireland, the HD 300 PRO incorporates robust metal housings and reinforced cable connections to resist wear. The 3‑meter cable is designed for flexibility yet sturdy enough to endure frequent handling. The headphones can withstand typical studio environments with temperatures ranging from 0 °C to 40 °C and humidity up to 90 %.
The Sennheiser HD 300 PRO combines professional audio performance with practical design features. Its dynamic drivers, closed acoustic system, and ergonomic construction make it a dependable choice for studio monitoring, broadcasting, and high‑fidelity listening. Whether you are mixing tracks in a quiet home studio or reviewing live feeds on the road, these headphones provide clear, accurate sound that supports critical decision making.
Sennheiser is a brand that produces high-quality audio equipment, including headphones, microphones, and audio processors. The company has a long history of audio innovation, and its products are used by professionals and consumers alike.
Sennheiser (4044155242805 / 508337)
Sophisticated design, elegantly finished in black and grey - High-quality, open metal mesh earpiece covers for an extremely transparent sound - Computer-optimised magnet systems minimise distortion, for as close a reproduction of the original recording as
Experience clear, focused audio with this wired monaural headset featuring a noise‑reduced microphone and dual USB/3.5 mm connectivity, plus convenient in‑line call controls for seamless Skype use.
Experience clear, focused audio with this wired monaural headset featuring a noise‑reduced microphone and dual USB/3.5 mm connectivity, plus convenient in‑line call controls for seamless Skype use.