The Sennheiser HD 4.00 BT Black is a wireless headphone designed for music lovers and commuters alike, offering an immersive audio experience with a sleek and modern design. With its advanced noise cancellation technology and long-lasting battery life, this headphone has become a popular choice among audiophiles.

Technical Specifications

The Sennheiser HD 4.00 BT Black features a range of technical specifications that make it stand out from the competition:

• Frequency Response: 17 Hz to 22 kHz
• Driver Size: 40 mm dynamic drivers
• Impedance: 32 ohms
• Sensitivity: 102 dB
• Battery Life: Up to 20 hours of playback time
• Weight: 230 grams

Design and Comfort

The Sennheiser HD 4.00 BT Black has a sleek and modern design that is sure to turn heads. The headphones are made from high-quality materials, including stainless steel and aluminum, which give them a premium feel. The earcups are cushioned with soft protein leather, ensuring a comfortable fit for long listening sessions.

Noise Cancellation

The Sennheiser HD 4.00 BT Black features advanced noise cancellation technology that effectively blocks out external sounds, allowing you to focus on your music or other audio content. The headphones use a combination of active and passive noise cancellation techniques to achieve this, resulting in an immersive listening experience.

Wireless Connectivity

The Sennheiser HD 4.00 BT Black connects wirelessly via Bluetooth 3.0, allowing you to stream music from your smartphone, tablet, or computer. The headphones also feature NFC (Near Field Communication) technology, making it easy to pair them with your device.

Sound Quality

The sound quality of the Sennheiser HD 4.00 BT Black is exceptional, with clear and accurate reproduction of frequencies across the audio spectrum. The drivers are designed to produce a balanced sound with deep bass notes, crisp highs, and smooth midranges.

Comparison to Competitors

The Sennheiser HD 4.00 BT Black competes directly with other high-end wireless headphones such as the Bose QuietComfort 35 II and the Sony WH-1000XM4. While each of these headphones has its own unique features and strengths, the Sennheiser HD 4.00 BT Black stands out for its advanced noise cancellation technology, long-lasting battery life, and sleek design.

Conclusion

The Sennheiser HD 4.00 BT Black is a premium wireless headphone that offers an immersive audio experience with a range of innovative features. With its advanced noise cancellation technology, long-lasting battery life, and sleek design, this headphone is perfect for music lovers and commuters alike.

Additional Features

• Quick Attention Mode: Allows you to quickly take calls or listen to voice commands without removing the headphones
• Voice Assistant Integration: Compatible with Siri, Google Assistant, and Amazon Alexa
• Volume Control: Adjust volume levels using the in-line remote control

Warranty Information

The Sennheiser HD 4.00 BT Black is backed by a two-year limited warranty that covers defects in materials and workmanship.

Technical Details

• Dimensions: 7.5 x 6.5 x 3.5 inches
• Weight: 230 grams
• Battery Life: Up to 20 hours of playback time
• Charging Time: 2 hours for a full charge

Awards and Recognition

The Sennheiser HD 4.00 BT Black has received widespread critical acclaim, including:

• What Hi-Fi? Award Winner
• Sound & Vision Magazine’s Best Wireless Headphones
• Wired Magazine’s Editor’s Choice Award