Best Portable Headphone Amplifiers

Guitar Headphone Amp, LEKATO Mini Guitar Amplifier Rechargeable Pocket Guitar Amp with Bluetooth, Multi Effects Clean Chorus Overdrive Distortion and Wah

Neoteck Headphone Amplifier Portable 3.5mm Audio Rechargeble HiFi Earphone Headphone Amplifier with Lithium Battery and Aluminum Matte Surface

iFi xDSD Gryphon - Ultra-resolution Portable DAC & High-power Headphone Amplifier

Questyle M15i Headphone Amplifier Portable DAC USB DAC Amp with Dual-Jack, Portable Headphone Amp - Apple MFi Certified, Hi-Res DAC - Low Noise, for iOS/Android/PC

iFi GO blu – Portable Bluetooth 5.1 Headphone Amplifier with 4.4mm & 3.5mm headphone outputs

iFi hip-dac3 - Portable Hi-Res DAC/Headphone Amp - True Balanced Circuit, Dual USB-C, PCM 384kHz/DSD256/MQA Decoding, XBass Analog Enhancement, iEMatch & up to 12hrs Playtime

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)

FiiO New K3 Amplifier Headphone Amp Portable High Resolution 384kHz/32bit DSD256 USB Type-C for PC/Smartphone Home Audio

Khadas Tea Headphone Amplifier, Portable DAC & Magnetic Hi-Fi Amplifier| 32bit/384KHz ESS ES9281AC Pro | USB-C & Bluetooth 5.0 | 1160mAh Battery | 3.5mm Output for Streaming/Gaming/Music (Grey)

FIIO JadeAudio Q11 Headphone Amps Amplifier Portable High Resolution DAC DSD256 for Smartphones/PC/Laptop/Home/Car Audio Compatible with iOS/Android 3.5/4.4mm Output, Black