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As known he was involved in the engineering of some of the most famous headphones of Sennheiser like HD580/600/650, HD800/800S and HE-1 and left Sennheiser few years ago, so his new personal attempt will be interesting:
For over three decades, Axel Grell has crafted headphones designed to produce world-class sound — at times, with little-to-no regard for price consideration. Throughout his mission to enhance the clarity and transparency in the headphone lines he produced, Grell garnered a devoted following among members of the audiophile community for his close attention to detail throughout all parts of the manufacturing process, pairing high-quality components with cutting-edge product designs — until the 1990s, when his uncompromising pursuit to design the most neutral headphones possible catapulted him to legendary status among audiophile communities.
Grell audio in-ear headphones mark a pioneering step forward in the realm of high-end listening devices, providing a unique combination of high-quality technological components, German design and meticulous attention to detail. The result is a stunning sound-signature created expressly for a new generation of digitally-connected listeners. Featuring TWS/1 technology, custom 10mm dynamic drivers, 34-hour (combined) battery life (ANC On), and transducers with a tolerance of +/- 1 dB, Active Noise Cancellation (ANC) — plus, Axel Grell Noise Annoyance Reduction (NAR) technology — grell audio true wireless headphones boast minimalistic, industrial-style design, which contrasts the complexity and richness of the acoustic output, without sacrificing a comfortable fit.
Unlike any of the designer’s earlier endeavours, however, grell audio seeks with its business model to lower the cost for the end-user, ushering in the future of high-res audio through a sales model tailored towards the spending habits of the digital age looking for opportunities to save money on high-end products without sacrificing quality for price. Sold directly through the company’s website and through an exclusive pre-order release on Drop.com, grell audio’s online-only sales model seeks to remove some of the economic barrier-to-entry for budding audiophiles, and to nurture the next generation of sound for tomorrow’s listener.
Active Noise Cancellation
Firm Fit
NAR Technology
True Wireless
Wireless Charging
Sound
10.1mm high precision custom dynamic drivers
Dynamic transducers (tolerance +/- 1 db)
Active Noise Cancellation (ANC) Qualcomm® cVc™ Noise Cancellation
Axel Grell Noise Annoyance Reduction (NAR)
Max Sound Pressure Level 105 dB SPL 1 kHz in some countries
Frequency Range 6Hz - 22 kHz
Low-noise, match-paired microphones
SoundID app
Design
In-ear headphones
Splash Proof (IPX4)
Weight: 7.3g each earbud
Aluminum charging case
Connectivity
Bluetooth 5.2 with Qualcomm 5141 chipset
Bluetooth range over 50 meters (164 feet)
Compatible with iOS and Android, as well as tablets and laptops.
Audio Codecs: SBC, AAC, Qualcomm® aptX™, Qualcomm® aptX™ adaptive, LHDC
Power
Up to 34 hours of listening time with ANC ON (6 hours in earbuds and over 4 full charges in the charging case)
Up to 45 hours of listening time with ANC OFF (Over 8 hours in earbuds and over 4 full charges)
USB-C charge connector
Wireless charging compatible
Controls
Glass touch field for gesture commands on each earbud
Built in voice-assistant
For over three decades, Axel Grell has crafted headphones designed to produce world-class sound — at times, with little-to-no regard for price consideration. Throughout his mission to enhance the clarity and transparency in the headphone lines he produced, Grell garnered a devoted following among members of the audiophile community for his close attention to detail throughout all parts of the manufacturing process, pairing high-quality components with cutting-edge product designs — until the 1990s, when his uncompromising pursuit to design the most neutral headphones possible catapulted him to legendary status among audiophile communities.
Grell audio in-ear headphones mark a pioneering step forward in the realm of high-end listening devices, providing a unique combination of high-quality technological components, German design and meticulous attention to detail. The result is a stunning sound-signature created expressly for a new generation of digitally-connected listeners. Featuring TWS/1 technology, custom 10mm dynamic drivers, 34-hour (combined) battery life (ANC On), and transducers with a tolerance of +/- 1 dB, Active Noise Cancellation (ANC) — plus, Axel Grell Noise Annoyance Reduction (NAR) technology — grell audio true wireless headphones boast minimalistic, industrial-style design, which contrasts the complexity and richness of the acoustic output, without sacrificing a comfortable fit.
Unlike any of the designer’s earlier endeavours, however, grell audio seeks with its business model to lower the cost for the end-user, ushering in the future of high-res audio through a sales model tailored towards the spending habits of the digital age looking for opportunities to save money on high-end products without sacrificing quality for price. Sold directly through the company’s website and through an exclusive pre-order release on Drop.com, grell audio’s online-only sales model seeks to remove some of the economic barrier-to-entry for budding audiophiles, and to nurture the next generation of sound for tomorrow’s listener.
Active Noise Cancellation
Firm Fit
NAR Technology
True Wireless
Wireless Charging
Sound
10.1mm high precision custom dynamic drivers
Dynamic transducers (tolerance +/- 1 db)
Active Noise Cancellation (ANC) Qualcomm® cVc™ Noise Cancellation
Axel Grell Noise Annoyance Reduction (NAR)
Max Sound Pressure Level 105 dB SPL 1 kHz in some countries
Frequency Range 6Hz - 22 kHz
Low-noise, match-paired microphones
SoundID app
Design
In-ear headphones
Splash Proof (IPX4)
Weight: 7.3g each earbud
Aluminum charging case
Connectivity
Bluetooth 5.2 with Qualcomm 5141 chipset
Bluetooth range over 50 meters (164 feet)
Compatible with iOS and Android, as well as tablets and laptops.
Audio Codecs: SBC, AAC, Qualcomm® aptX™, Qualcomm® aptX™ adaptive, LHDC
Power
Up to 34 hours of listening time with ANC ON (6 hours in earbuds and over 4 full charges in the charging case)
Up to 45 hours of listening time with ANC OFF (Over 8 hours in earbuds and over 4 full charges)
USB-C charge connector
Wireless charging compatible
Controls
Glass touch field for gesture commands on each earbud
Built in voice-assistant
In-ear Headphones TWS 1 Space Grey by grell Audio
grell Audio offers noise cancelling wireless bluetooth headphones built by Axel Grell
grellaudio.com