The ATH-DSR9BT over-ear wireless headphones employ Audio-Technica’s new Pure Digital Drive system, which allows the headphones to operate without a sound-degrading D/A converter that conventional wireless headphones rely upon. Instead, the ATH-DSR9BT utilizes Trigence Semiconductor’s Dnote chipset to receive the digital audio signal from a Bluetooth wireless transmission, process and transfer it to the driver where the digital pulses of the chipset move the voice coil and diaphragm forward and backward to create the sound waves heard by the listener.
Wireless music has never sounded so pure. The first headphone to employ the Pure Digital Drive system allowing you to hear details never experienced in the wireless realm. Headphones support Bluetooth 4.2 aptX HD, aptX, AAC and SBC codecs.