LZSIG Headphone Amplifier 4 Channel Metal Stereo Audio Amplifier,Mini Earphone Splitter with Power Adapter,1/4" & 1/8" TRS Headphones Output and TRS Audio Input for Sound Mixer,DC 12V-LHA1
LZSIG
FLoveedio Stereo Headphone Amplifier with 4 Channel, Ultra Compact Headphone Splitter for Studio and Stage with 12V Power Adapter
Generic
YGiTK Professional 16-600Ω Headphone Amplifier with Bass Boost, Portable HiFi Earphone Amplifiers, Gain Switch Bass Volume Adjust, Rechargeble Headphone Amp 3.5mm Jack for Phones, iPad, MP3, MP4
YGiTK
LVY Headphone Amplifier A010 Portable Headphone Amp 3.5mm Audio Rechargeable Two-Stage GAIN Switch HiFi Headphone Amplifier Compatible MP3/4, Phones, Computer and Various 3.5mm Audio Digital Devices
LVY