Sendy Audio Releases Apollo PRO Open-Back Planar Magnetic Headphones for £449
The new open-back headphones weigh 354g and feature 78mm drivers with a nano-scale diaphragm under 800 nanometers thick. They are available from Amazon and selected retailers.
forbes.comSendy Audio launched the Apollo PRO headphones on June 2, 2026. The open-back circumaural model uses custom 78mm planar magnetic drivers and a nano-scale composite diaphragm under 800 nanometers thick. The headphones weigh 354g.
They have a frequency response of 20Hz – 40kHz, a sensitivity of 93dB +/- 3dB, and an impedance of 27Ω +/- 15%. The earcups are zebrawood with sunburst-pattern aluminum mesh. The ear pads are velvet and the headband is lambskin.
The headphones are constructed with CNC-machined aviation-grade aluminum components and include a flexible adjustment system. The detachable cable is made from Furukawa oxygen-free copper, silver-plated copper, and enameled gold-plated copper with graphene-reinforced shielding. 35mm adaptors.
Sendy Audio applies Electron Beam Evaporation Deposition technology to coat aluminum circuitry onto the diaphragm. The company states this produces better vibration control and more consistent frequencies. The diaphragm is designed to improve response speed, clarity and resolution.
Sendy Audio says the headphones deliver a fast, spacious and highly detailed presentation across music, films and gaming. The lambskin headband is designed to reduce heat buildup that can cause listening fatigue. The cable is intended to keep the signal steady and clear while enhancing sonic detail and clarity of the soundstage.
The Apollo PRO headphones are priced at £449 / $449 / €499. They are available from Amazon and selected retailers.
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