KRÜGER & MATZ KM0677-BK ANC F8A On-ear Headphones Black
The KM0677-BK ANC F8A is a wireless headphone model designed to offer a high-quality audio experience with advanced active noise cancellation (ANC). This headphone features 40 mm drivers with neodymium magnets, ensuring precise and detailed sound reproduction and covering a wide frequency range from 20 Hz to 20 kHz. The nominal impedance is 32 Ohms with a 15% tolerance, allowing for good compatibility with various audio devices.
The headphone supports Bluetooth 5.4 technology, providing a stable connection and a range of up to 10 meters, ideal for daily wireless use. It is compatible with HSP, HFP, A2DP, and AVRCP Bluetooth profiles, enabling both high-quality audio playback and call management. The built-in microphone has a sensitivity of 31 dB and a signal-to-noise ratio of 68 dB, ensuring clear and crisp conversations during voice calls.
The active noise cancellation (ANC) feature can reduce ambient noise by up to 30 dB, enhancing listening in noisy environments such as public transport or offices. The battery life is remarkable: up to 50 hours of music playback at 50% volume without ANC and approximately 32 hours with active ANC, thanks to a 500 mAh battery. Charging is done via a USB-C port with a 5 V and 440 mA power supply, offering fast and practical charging times.
- Driver diameter: 40 mm with neodymium magnets
- Frequency response: 20 Hz - 20 kHz
- Impedance: 32 Ohm ± 15%
- Sensitivity: 94 ±3 dB
- Signal-to-noise ratio: ≥ 65 dB
- Sound pressure level (SPL): 128 dB
- Total harmonic distortion (THD): data not available
- Nominal input power: 20 mW
- Maximum input power: 30 mW
- ANC efficiency: up to -30 dB
- Bluetooth version 5.4 with a range up to 10 meters
- Supported Bluetooth profiles: HSP, HFP, A2DP, AVRCP
- Built-in microphone with sensitivity of 31 dB and signal-to-noise ratio of 68 dB
- Battery life: up to 50 hours without ANC, 32 hours with ANC
- 500 mAh battery rechargeable via USB-C
- Weight: 249 grams
- Dimensions: 181 x 197 x 81 mm
This headphone is also equipped with 3.5 mm AUX-in ports for a wired connection and USB-C for charging. The set includes a 100 cm audio cable, a 50 cm USB cable, and a manual, providing everything needed for immediate and versatile use. The on-ear design ensures comfort even during longer listening sessions, while the robust construction ensures durability and resistance to daily use.
The combination of advanced technology, long battery life, and comfort makes this model suitable for both listening to music and for professional use during calls or video conferences. The active noise cancellation significantly improves the listening experience in noisy environments, while the Bluetooth 5.4 connectivity ensures stable and high-quality audio transmission. The presence of the built-in microphone also allows the headphones to be used for voice communication without having to take them off.
In summary, the KM0677-BK ANC F8A headphones offer a complete solution for those seeking a high-performance wireless audio device with extended battery life and noise-cancellation functionality, while maintaining a practical and comfortable design for everyday use.