Westone B30 In-Ear Headphones (Open Box) usb-b male Equipped with an XMOS USB

Equipped with an XMOS USB receiver chip

The combination of lightweight aluminum alloy construction

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Fostex TR-70 Professional Studio Headphones (Open Back

Made from this same extraordinarily soft leather

Westone B30 In-Ear Headphones (Open Box) usb-b male Equipped with an XMOS USBTriple Driver True Fit Earphones with High Definition MMCX & Bluetooth Cables The Westone B30 Three Driver True Fit Earphones utilize three balanced armature drivers to deliver clarity and realism for audiophiles and critical listening applications. The B30 earphones offer a frequency range of 15 Hz to 18 kHz with a sensitivity of 107 dB. The result is a powerful low end, an articulated midrange, and sparkling highs, ensuring a quality listening