Superlux HA4D 4-Channel Premium Headphone Amplifier, Compact Headphone Amp with USB-C Power, Independent Volume & Mute Control, 3.5mm Audio Input/Output, Monitor for Studio, Podcast, Recording

5V-48V 10A Supercapacitor Filter Board Linear Switching Power Supply for Raspberry Pi Headphone Amplifier DAC Amplifier

SHANLING UA MINI USB C DAC with LED Light Audio Cables High Resolution 3.5mm Female to Type C Male Lossless Headphone Amplifier for Smartphones/PC/Laptops/Players (New Upgraded, Blue)

LEAUDIO TRN Black Pearl Portable Hi-Fi Digital Audio Decoder 3.5+4.4 Output Dual CS43131 PCM 384kHz 32Bit DSD256 DAC Headphone Amplifier

FiiO/JadeAudio KA13 Portable DAC Dongle, USB-C Adapter, 3.5mm and 4.4mm Outputs Compatible with Android/iOS System/PC/Music Players, PCM 384kHz/32bit | DSD256 550mW high Power (Silver)

LIN.LIN.LIN SMSL M20 MQA DAC Headphone Amplifier 4* CS43131 DAC Chip Gaming Decoder USB1.1 USB2.0 XU316 768kHz/32Bit DSD256 PCM Filter USB DAC 3.5mm & 4.4mm Headphone Amp Audio 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

Khadas DAC Amp Tone2 Pro | Desktop Digital Analog Converter -Headphone Amplifier with USB-C/USB-C(I2S) Inputs/Outputs: 3.5mm Unbalanced / 4.4mm Balanced/RCA - MQA DECODER (Black)

FiiO K5 Pro Headphone Amps Portable Desktop DAC and Amplifier 768K/32Bit and Native DSD512 for Home/PC 6.35mm Headphone Out/RCA Line-Out/Coaxial/Optical Inputs

FiiO BTR3K Receiver Amplifier Bluetooth Headphone Amp High Resolution Support aptX HD/aptX LL/LDAC for Car Audio/Home TV/Speaker/Smartphones/PC (3.5mm/2.5mm Output)