Sennheiser HD 550 Hi-Fi Open-Back Wired Audiophile Over-Ear Headphones

Sennheiser HD 550 Hi-Fi Headphones – Unparalleled Audio for Audiophiles & Gamers

Immerse yourself in a superior listening experience with the Sennheiser HD 550, a hi-fi headphone designed to deliver breathtaking clarity, smooth tuning, and a spacious stereo soundstage. Engineered with a custom 38mm transducer, the HD 550 produces an extended frequency response of 6 Hz to 39.5 kHz, ensuring deep bass, crystal-clear mids, and sharp transients. The open-back design enhances spatial awareness, making it perfect for both audiophiles and gamers seeking immersive sound without distortion. Weighing just 237 grams (8.4 oz) with a relaxed clamping force, these headphones offer all-day comfort. Compatible with a wide range of hi-fi gear and featuring modular components, the HD 550 is built for long-term enjoyment.

Specifications:

• Transducer: Custom 38mm dynamic driver
• Frequency Response: 6 Hz – 39.5 kHz
• Total Harmonic Distortion (THD): <0.2%
• Impedance: 150 ohms
• Design: Open-back with an acoustic mesh for an expansive soundstage
• Weight: 237g (8.4 oz)
• Connectivity: 1.8m detachable cable with a 3.5mm stereo jack + 6.35mm adapter
• Comfort: Soft-touch headband, ventilated earcup covers, relaxed clamping force
• Compatibility: Works with high-end DACs, amplifiers, gaming setups, and balanced sources (via optional cables)
• Modular Design: Replaceable earpads and cables for long-term durability

Q&A Section:

What makes the HD 550 ideal for audiophiles and gamers?
The HD 550 features a custom 38mm transducer, delivering an extended frequency response (6 Hz – 39.5 kHz) and an expansive open-back soundstage. This provides detailed, immersive audio for music lovers and superb positional accuracy for gamers.

Is the HD 550 comfortable for long listening sessions?
Absolutely! Weighing just 237g, the HD 550 features a soft-touch headband, breathable earcups, and a relaxed clamping force, making it perfect for extended use.

What is the impedance of the HD 550, and does it require an amplifier?
The HD 550 has a 150-ohm impedance, meaning it works well with high-quality DACs and amplifiers for the best performance. While it can run on standard devices, pairing it with a dedicated amp enhances the sound quality.

How does the open-back design improve sound quality?
The open-back design allows air to flow freely, reducing resonance and creating a more natural, spacious soundstage. This results in clearer mids, sharper highs, and deeper bass, perfect for both music and gaming.

Can I replace the earpads and cables?
Yes! The HD 550 features a modular design, allowing for easy replacement of earpads and cables. This extends the lifespan of the headphones and provides customization options.

What devices are compatible with the HD 550?
The HD 550 includes a 1.8m cable with a 3.5mm stereo jack + 6.35mm adapter, making it compatible with headphone amps, DACs, PCs, gaming consoles, and mobile devices. Additional cables (sold separately) enable connection to balanced sources and mic-enabled setups.

Does the HD 550 have a built-in microphone?
No, the HD 550 is focused on pure audio quality. However, optional mic-enabled cables (sold separately) allow it to be used for communication and gaming.