Best Headphone Amplifiers

SMSL HO200 Fully Balanced Headphone Amp & Preamp, 6000mW*6000mW 4*PLFC Headphone Amps, XLR/RCA to 4.4mm/6.35mm/4-Pin Balanced Headphone Amplifier, XLR/RCA Pre Output Preamplifier with 3 Gains Control

iFi Zen Can 3 - Analogue Headphone Amplifier - 4.4mm Balanced and 6.35mm Single-Ended headphone outputs

FIIO Q3 Headphone Amps Amplifier Portable High Resolution DAC DSD512 for Smartphones/PC/Laptop/Home/Car Audio Compatible with iOS/Android 2.5/3.5/4.4mm Output (Q3-MQA)

Fosi Audio SK02 DAC Amp Headphone Amplifier Desktop USB C to AUX Digital to Analog Audio Converter Adapter Preamp Optical to 3.5mm 4.4mm Balanced Combo for Home Audio System

Fosi Audio K5 Pro DAC Amp Headphone Amplifier, Mini Hifi Stereo Digital-to-Analog Converter, USB Type-C/Coaxial/Optical to 3.5MM AUX/RCA Jack, for Gaming PS5/ PC/Active Speakers Up to 24 bit/192 kHz

Fosi Audio DS1 Portable DAC Headphone Amplifier with ES9038Q2M Chip, Supports PCM 32-bit/768kHz & DSD512, 3.5mm & 4.4mm Outputs for Hi-Fi Audio, USB DAC Amp for Headphones

Fosi Audio SK01 Headphone Amplifier Equalizer Preamp with Bass Midrange Treble Tone Control and Loudness Compensation Portable Class A Analog Amp with 3.5mm 6.35mm Jacks

iFi uno - DAC & Headphone AMP - USB-C Input - Improve Lacklustre Audio - Streaming/Gaming/Music Modes Adjust Sound to Suit You - 32-bit/384kHz/DSD256/MQA - Windows/MAC/Smart Device/Active Speakers

Fender Mustang Micro Guitar Amp, Ultimate All-In-One Headphone Amp with 12 Amp Models, 12 Effects, Bluetooth Audio Streaming, Adjustable EQ, and USB Rechargeable Battery

S.M.S.L D10 Headphone Amplifier USB Potrable Dac with 3.5mm & 4.4mm Balacnced Dual Mini Audio Amp Outputs Support 500mw 16ΩDSD256 PCM 32bit/384khz Hi-Res Earphone Amp (Black)