Audio-Technica ATH-DSR9BT Headphones Review

By 2016, the Bluetooth market reached a turning point. Apple completely reworked their iPhone 7 smartphone, getting rid of the old 3.5mm earphone jack, and adopting Bluetooth technology. This led to triggering a completely new trend in the smart phone market. Wireless headphones are useful for mobility without having to worry about wires getting tangled around your possessions or body. And having no headphone jack also protects the smartphone interior from water and dust, as it can no longer get inside through the earphone jack. The momentum for Bluetooth technology has just began.

Bluetooth headphones don’t dominate the mainstream market due to the sound quality of the original wired version. Most sound labs still develop wired headphones first, then prepare the Bluetooth version as a variation. There can be challenges in transmitting sound over a limited bandwidth, but Audio-Technica has designed a set of Bluetooth headphones that addre