Amazon.com: WGear Desined Featured Headphone Amplifier Case for FiiO A1, FiiO K1, Topping NX1A, Fulla USB Dongle DAC/AMP, with mesh Pocket for Cable, Fastening Elastic Strap, Wrist Strap Ballistic Black : Electronics
Amazon.com: iFi xDSD Portable Bluetooth DAC and Headphone Amplifier - for Smartphones/Tablets/Computers/Digital Audio Players : Electronics
Amazon.com: YMOO Portable Headphone Amp DAC, DSD512 and 768K/32Bit, 16Ω-600Ω/35mW/Hi-Res Hi-Fi Desktop DAC for PC Headphone Out/iPhone, 3.5mm/4.4 mm/Optical/Coaxial Output for Windows/Android/IOS/PS5/Home Audio : Electronics
Amazon.com: aune Yuki Portable USB DAC with Headphone Amp, 32bit/768k DSD256 USB dongle, 3.5mm/ Balanced 4.4mm, for Smartphone/iPhone/Android Phone/Computer/Laptop/iPad/Earphones/Headphones/IEMs/DAP/Home Audio : Electronics
Amazon.com: Hidizs S9 PRO Headphone Amplifier Portable Dac Dongle, USB-C Adapter, Single-Ended 3.5mm/Balanced 2.5mm, Support Windows/Mac/iPad/Apple Lighting/Android/iOS System : Electronics
Amazon.com: Questyle M15 Headphone Amplifier Portable USB DAC with 4.4mm and 3.5mm Outputs High Resolution Lossless for Smartphones/PC/Laptops : Electronics
Amazon.com: HiBy FC4 Headphone Amplifier Portable DAC with 4.4mm and 3.5mm Headphones Outputs Support MQA16X PCM768K DSD256 High Driving Power for Android/iOS/Mac/Windows : Electronics
Amazon.com: iFi Hip-dac Portable Balanced DAC Headphone Amplifier for Android, iPhone with USB Input Only/Outputs: 3.5mm Unbalanced / 4.4mm Balanced (Unit only) : Electronics
Amazon.com: FiiO Headphone Amps Portable DAC USB Type-C coaxial 384kHz/32bit (E10K-TC black) : Electronics
Amazon.com: HiBy FC1 Portable dac Headphone Amplifier USB c dac amp hi-res Audio decoder with High Audio Quality Low Power Consumption for iOS Android Smartphones Computers-Black : Electronics
Amazon.com: iFi Nano iDSD Black Label Portable USB DAC and Headphone Amplifier - Upgrade Smartphones/Digital Audio Players/Tablets/Laptops : Electronics
Amazon.com: FiiO K3 Type-C USB DAC Headphone Amp : Electronics
Amazon.com: FiiO Q3 Amplifier Headphone Amp High Resolution DAC DSD512 for Smartphone/PC/Laptop/Home/Car Audio 2.5/3.5/4.4mm Output : Electronics
Amazon.com: Lavaudio Headphone Amps Tiny Amplifier USB DAC, DSD256 Hi-Res HiFi Headphone Amplifier 3.5mm/Type C/Lightning/Lossless for Smartphones/PC/Laptop/Players(Lightning, Black) DS100 : Electronics
Amazon.com: Questyle M15 Headphone Amplifier Portable USB DAC with 4.4mm and 3.5mm Outputs High Resolution Lossless for Smartphones/PC/Laptops : Electronics
Amazon.com: FiiO BTR15 Headphone Amps Bluetooth 5.1 Receiver High Resolution 384K/32Bit Native DSD256 USB DAC Supports LDAC/aptX HD/MQA for Smartphones/PC/Car/Home Audio (Black) : Electronics
Amazon.com: Fosi Audio K5 Pro Gaming DAC Headphone Amplifier Mini Hi-Fi Stereo Digital-to-Analog Audio Converter USB Type C/Optical/Coaxial to RCA/3.5MM AUX for PS5/PC/MAC/Computer : Electronics
Amazon.com: FiiO Q3 Amplifier Headphone Amp High Resolution DAC DSD512 for Smartphone/PC/Laptop/Home/Car Audio 2.5/3.5/4.4mm Output : Electronics
Amazon.com: FiiO BTR5-2021 Headphone Amps Bluetooth 5.0 Receiver High Resolution 384K/32Bit Native DSD256 USB DAC Supports LDAC/aptX HD/MQA for Smartphones/PC/Laptop/Car/Home Audio (Regular) : Electronics
Amazon.com: THX Onyx Portable DAC Headphone Amplifier: High Resolution Audio DAC for Smartphone/PC/Home Audio - THX AAA - MQA Renderer - Direct Stream Digital (DSD) - ES9281PRO DAC - Magnetic Cable Management : Electronics
Amazon.com: FiiO NEWK3 Amplifier Headphone Amps Portable High Resolution 384kHz/32bit DSD256 USB Type-C Lossless for PC/Laptop/Smartphones/Speaker Home Audio : Electronics
