Axel Grell, a famous acoustic engineer who designed various Sennheiser headphone including HD580 and HD800, left Sennheiser in 2019 and founded Grell Audio. Axel Grell wishes to bring the best earphone clarity and details to every users. 3 years after founding Grell Audio, Grell Audio officially launched their first true wireless earphone product - TWS/1.
Founder Axel Grell insists on providing the best sound clarity and details to all user, so Noise Annoyance Reduction (NAR) techonology is dedicatedly developed for TWS/1 to create a more efficient and natural noise cancelling performance.
Axel Grell have designed numbers of headphones with dynamic drivers during his career of being an acoustic engineer. Thus, Grell Audio tailored a high precision 10mm dynamic driver that can perform the best in both high and low frequency, with the deep understanding of dynamic dirvers from Axel Grell.
Grell Audio collaboarted with Sonarworks to let TWS/1 to support SoundID mobile app. Throught the SoundID app, user can create their own personalised EQ setting with its smart feature. Users can then enjoy the best sound quality that also fit your own taste.
Specification
Driver
10mm high precision dynamic driver x1
Input
Bluetooth 5.2
Codec support
AAC, SBC, aptX, aptX HD, aptX adaptive, and LHDC
Charging time
Support quick charge: 15 mins of charging gives you 70 mins of play time.
Battery capacity
Earphone：6 hours
With charging case：34 hours (ANC on) / 45 hours (ANC off)
Accessories
1*USB Type A to Type C cable + 3*Ear tips (silicone) + 2*Ear tips (foam)
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