**Product Specifications:**

**Brand:** Sennheiser

**Model:** HD550 Open-Back Headphones

**Description:** Experience the unheard with high-fidelity sound quality and rich details from the 150 ohm dynamic drivers of the HD550 headphones. Whether it's your music, movies, or games, uncover the hidden secrets within with these lightweight, comfortable, and astonishingly detailed headphones. The HD550 acts as your personal decoder, delivering high-fidelity sound without the need for charging and without any delay issues, allowing you to hear more details with its robust and durable design.

**Features:**

- Improved stacked diaphragm 150 ohm transducer for enhanced detail

- Open-back design for outstanding sound quality and detail

- Duofoil stacked diaphragm for extended low and high-frequency range

- Balanced low, mid, and precise high tones for emotional music reproduction

- Angled transducers for a wide soundstage and immersive experience

- Lightweight voice coils for transparent sound reproduction

- Low-impedance mesh ear cups for natural sound transmission

- Internal acoustic foam components for clear and controlled frequency response

- Premium metal mesh design for aesthetic appeal and durability

- Lightweight metal construction for long-lasting use

- Compatible with HD500 series accessories

**Accessories:**

- HD550 Open-Back Headphones

- 3.5mm to 6.35mm adapter

- 1.8m 3.5mm headphone cable

- Carrying pouch

**Technical Specifications:**

- **Wearing Style:** Wired over-ear

- **Acoustic Principle:** Open-back

- **Transducer Principle:** Dynamic driver

- **Frequency Response:** 6Hz-39.5kHz

- **Impedance:** 150Ω

- **Sound Pressure Level:** 106.7dB (1kHz/1Vrms)

- **Total Harmonic Distortion:** <0.2% (1kHz/90dBSPL)