FiiO FA19 In-Ear Monitors xlr-4 female Knowles 32873 BA x 2:

Knowles 32873 BA x 2: Responsible for high density

a unique Sony algorithm

5 mm (shared with PO port)

This allows the M11S to provide a smartphone-like smooth experience for a truly immense performance improvement over the previous generation

and an impedance of 19 ohms @ 1kHz

FiiO FA19 In-Ear Monitors xlr-4 female Knowles 32873 BA x 2:Custom Knowles enhanced bass BA drivers FIIO collaborated closely with Knowles to create a custom bass BA driver. By improving the airflow throughput of this driver, we enhance its overall energy. Additionally, the FA19 uses four of these custom drivers per channel, further ensuring there are enough drivers to produce detailed and powerful bass. The result is truly robust, impactful bass. Negative feedback bass enhancement system With four custom