Audio-Technica R70X Professional Open-Back Reference Black Headphones w/ AMP Bundle Includes, FiiO E10K USB DAC and Headphone Amplifier & Slappa HardBody PRO Full Sized Headphone Case (Black) - Walmart.com
Audio-Technica ATH-R70x | R Series Professional Open Back Dynamic Reference Headphone - Reviews | Headphone Reviews and Discussion - Head-Fi.org
Amazon.com: Audio-Technica ATH-R70x Professional Open-Back Reference Headphones, Black : Audio-Technica: Electronics
A light comparison between the ATH-R70x and ATH-ADX5000 : r/headphones