The Drop + Hifiman R7DX is another collaboration between Drop and the biggest player in the headphone market, Hifiman. It is a closed-back full-size headphone using a Dynamic Driver. The price is set at $149.
Drop + Grell TWS1X is a new TWS IEM by Drop in cooperation with legendary engineer Axel Grell. It uses a 10mm custom dynamic driver and it's priced at $199.