Aune S17 Pro Headphone Amp, Pre-amp, Class-A Fully-Discrete Fully Balanced Headphone Amplifier, 6.35mm/XLR/4.4mm Headphone Jack, Twin JFET, XLR/RCA Preamp Out, for DAC/Speaker/Home Audio(Silver)

Aune S17 Pro Headphone Amp, Pre-amp, Fine Volume Curve, Pure Class-A, Fully-Discrete Fully Balanced, 6.35mm/XLR/4.4mm Headphone Jack, Twin JFET, XLR/RCA Preamp Out, for DAC/Speaker/Home Audio(Silver)

HIFIMAN Arya Organic Full-Size Over-Ear Open-Back Planar Magnetic Headphone with Stealth Magnets for Audiophiles, Home & Studio Listening

MEZE AUDIO 109 PRO | Wired Over-The-Ear Walnut Wood Audiophile Open-Back Headphones | 50mm Dynamic Drivers | Low Impedance 40 Ohms | Cables and Carrying Pouch Included | 2-Year Warranty