JBL Soundgear Sense True Wireless Open-Ear Headphones eartips The hip-dac2 replaces the inferior

The hip-dac2 replaces the inferior DAC (Digital-to-Analogue Convertor) and amp circuitry in smartphones

User selectable two or three tubes operation

because everything that suited me in them

ESS Sabre DAC (9281ACPRO with MQA support)

JBL Soundgear Sense True Wireless Open-Ear Headphones eartips The hip-dac2 replaces the inferiorSense the world around you JBL Soundgear Sense true wireless open ear headphones feature JBL OpenSound Technology with air conduction, which doesnt completely close off your ear canal, making them comfortable enough to wear for hours. Flexible earhooks rotate, so you can choose whether you want to focus on your music or calls, or let in more sound from the world around you. A detachable neckband provides an even more secure fit while youre working