Sennheiser CX True Wireless Bluetooth In-Ear Earbuds (Black)

Overview

The Sennheiser CX200TW1BLACK is a pair of true wireless in-ear earbuds designed to deliver high-quality audio with clarity and balance. Equipped with German-engineered 7 mm TrueResponse transducers, these earbuds provide detailed mids, clear highs, and a bass response that can be enhanced with a dedicated Bass Boost EQ. They support AAC, aptX, and SBC Bluetooth codecs, ensuring excellent sound streaming from a wide range of modern devices. With up to 27 hours of total playtime, including 9 hours on a single charge and 18 additional hours from the charging case, these earbuds are built to keep up with your day.

Key features

• 7 mm TrueResponse transducers deliver balanced and detailed sound across all frequencies
• Support for AAC, aptX, and SBC Bluetooth codecs ensures high-quality wireless audio streaming
• Up to 27 hours of total battery life with the compact charging case for extended listening sessions
• Passive noise cancellation through a secure in-ear seal helps block out ambient noise for better focus
• Customizable touch controls on both earbuds allow easy management of volume, calls, and playback without reaching for your device
• IPX4 splash resistance protects against sweat and light rain, making them suitable for workouts and outdoor use
• Bass Boost EQ setting enhances low-end frequencies for a richer listening experience
• Compatible with the Sennheiser Smart Control App for iOS and Android to personalize sound and touch commands

Key specs

• Transducer size: 7 mm TrueResponse
• Bluetooth codecs: AAC, aptX, SBC
• Battery life: 9 hours per charge, 27 hours total with charging case
• Water resistance rating: IPX4
• Charging case capacity: provides 18 additional hours of playback

Connectivity and compatibility

The earbuds connect seamlessly via Bluetooth to a wide range of devices including smartphones, tablets, and computers. Support for multiple codecs like AAC and aptX ensures compatibility with both iOS and Android platforms, delivering high-quality audio whether you are streaming music, watching videos, or taking calls. The stable wireless connection maintains performance even when moving away from your device, making them practical for daily use in various environments.

Comfort and usability

Designed with comfort in mind, the earbuds come with four sizes of silicone ear adapters to create a secure and comfortable fit that also provides passive noise isolation. The touch-sensitive controls on each earbud offer intuitive access to volume adjustments, track changes, call handling, and voice assistant activation. This hands-free control enhances convenience during workouts, commuting, or office work without interrupting your flow.

Ideal uses and environments

These earbuds are well suited for users who want a versatile audio solution that performs well in both quiet and noisy settings. They fit naturally into the routines of commuters, office workers, fitness enthusiasts, and anyone who values clear sound and reliable wireless connectivity. The IPX4 rating adds confidence for use during light rain or sweat-inducing activities, while the long battery life supports extended listening throughout the day.