Astell&Kern UW100 MKII
True Wireless earphone
The AK UW100MKII by Astell&Kern embodies the company's commitment to delivering authentic music experiences while maintaining the convenience of true wireless earphones. Building on the success of the AK UW100, the MKII version introduces advancements in design, technology, and sound quality.
UW100 MKII - with performance in mind
At the heart of the AK UW100MKII is a High-Resolution 32-bit DAC, a rare feature in true wireless earphones, coupled with a full-range Balanced Armature driver for precise and outstanding Hi-Fi sound. The inclusion of aptX™ Adaptive and best-in-class Passive Noise Isolation (PNI) ensures an advanced True Wireless Sound experience. The earbuds boast an ergonomic design, utilizing the latest high-resolution codecs for superior performance.
Enhancements in the internal circuit design contribute to reduced noise through digital circuit separation, ensuring a more stable connection compared to its predecessor. With a redesigned acoustic chamber and optimized electric currents, the AK UW100MKII achieves up to 9.5 hours of continuous playback and a maximum of 29 hours, allowing users to enjoy Hi-Fi sound anytime, anywhere.
Refined MKII design and performance
Astell&Kern has refined the TWS design by adjusting the position of the Balanced Armature driver and optimizing the acoustic chamber. This meticulous design process minimizes sound diffusion, providing a more delicate and dynamic performance with richer high-frequency expression. The AK UW100MKII's unrivaled 32-bit DAC technology, combined with Astell&Kern's AMP and circuit technology, enables the separation of digital and analog components, resulting in clearer sounds with higher separation levels. The PNI technology, a highlight of the previous model, is retained, providing excellent passive noise isolation without the need for Active Noise Cancellation (ANC).
The earphones offer complete musical immersion with superior sound technology and advanced PNI, surpassing generic ANC by efficiently canceling ambient noise across mid, high, and low frequencies. Notably, the AK UW100MKII allows users to switch between four ambient modes for awareness of surroundings when needed. The Astell&Kern AK UW100MKII represents the pinnacle of the company's true wireless earphone technology, delivering authentic Hi-Fi sound, advanced noise isolation, and a refined design for a premium audio experience.
| Weight (net) | 7 grams (charging case approx. 65 grams) |
| Network features | Bluetooth, Bluetooth AAC, Bluetooth aptX Adaptive |
| Audio chipset (DAC) | AKM AK4332ECB |
| Active noise reduction | No |
| Estimated battery life time | 9 hours per charge. 18 hours of charging in battery case. |
| Charging time | 10 minute quick charge provides 1 hour of listening |
| In the box | Users guide |
| Other included accessories | 5 pairs of silicone tips in different sizes |
