Reddit reviews Shure SE846-BNZ Sound Isolating Earphones with Quad High Definition MicroDrivers and True Subwoofer

Quad Hi-Definition Micro Drivers: For extended high-end clarity and unparalleled low-end performancePatented Earphone Design with Groundbreaking Low-Pass Filter: Provides previously unattainable deep low-end performance of a True Subwoofer without sacrificing clarity or detailCustomizable Frequency Response: Adjustable sound signatures available (including balanced, warm or bright) via changeable nozzle inserts and removable, metal nozzleNOTE: Refer the User Guide before use.Convert Shure SE846 Earphones to wireless with the new Bluetooth-Enabled Cable (RMCE-BT1). Sold separately.