iFi Audio Go Link Max - ポータブルヘッドホンアンプ/DACドングル USB-C - 3.5/4.4mm - プラグアンドプレイハイレゾオーディオ ダイナミックレンジエンハンスメント - PCM 384kHz/DSD256

iFi Audio Go Link Max - Portable Headphone Amp/DAC Dongle USB-C to 3.5/4.4mm - Plug and Play Hi-res Audio with Dynamic Range Enhancement - PCM 384kHz/DSD256

Sennheiser Consumer Audio IE 200 In-Ear Audiophile Headphones - TrueResponse Transducers for Neutral Sound, Impactful Bass, Detachable Braided Cable with Flexible Ear Hooks - Black

iFi GO Link - Portable DAC & Headphone Amplifier - USB-C to 3.5mm Adapter - Improve Sound from Any Device - Gold-Plated 3.5mm Headphone Socket – Supports Hi-Resolution 32-bit/384kHz/DSD256/MQA