![Amazon.com: Audio-Technica ATH-M40x Professional Studio Monitor Headphone, Black, 90 Degree Swiveling Earcups & Focusrite Scarlett Solo (3rd Gen) USB Audio Interface with Pro Tools | First : Electronics Amazon.com: Audio-Technica ATH-M40x Professional Studio Monitor Headphone, Black, 90 Degree Swiveling Earcups & Focusrite Scarlett Solo (3rd Gen) USB Audio Interface with Pro Tools | First : Electronics](https://m.media-amazon.com/images/I/51Kjkk4zsSL._AC_UF894,1000_QL80_.jpg)
Amazon.com: Audio-Technica ATH-M40x Professional Studio Monitor Headphone, Black, 90 Degree Swiveling Earcups & Focusrite Scarlett Solo (3rd Gen) USB Audio Interface with Pro Tools | First : Electronics
![SMSL DO400 Fully Balanced Audio Decoder Headphone Amplifier ES9039MSPRO USB MQA DAC Bluetooth 5.1 LDAC Home Amp(Black) - Walmart.com SMSL DO400 Fully Balanced Audio Decoder Headphone Amplifier ES9039MSPRO USB MQA DAC Bluetooth 5.1 LDAC Home Amp(Black) - Walmart.com](https://i5.walmartimages.com/asr/4582aab6-3575-4286-a4b0-a0f41232387b.e3e96a97eb501242cc7b6fab5141b84b.jpeg?odnHeight=768&odnWidth=768&odnBg=FFFFFF)
SMSL DO400 Fully Balanced Audio Decoder Headphone Amplifier ES9039MSPRO USB MQA DAC Bluetooth 5.1 LDAC Home Amp(Black) - Walmart.com
![Amazon.com: Headphone Amplifier, Portable HiFi Headphone Amp 3.5mm Stereo Audio Gain Switch Support Impedance 16-300Ω Headset for MP3/MP4 /Phones/Digital Players/Computers/Xbox one,PS4,PS5 Controller : Electronics Amazon.com: Headphone Amplifier, Portable HiFi Headphone Amp 3.5mm Stereo Audio Gain Switch Support Impedance 16-300Ω Headset for MP3/MP4 /Phones/Digital Players/Computers/Xbox one,PS4,PS5 Controller : Electronics](https://m.media-amazon.com/images/I/71hdGdFy-6L.jpg)
Amazon.com: Headphone Amplifier, Portable HiFi Headphone Amp 3.5mm Stereo Audio Gain Switch Support Impedance 16-300Ω Headset for MP3/MP4 /Phones/Digital Players/Computers/Xbox one,PS4,PS5 Controller : Electronics
![Amazon.com: Topping L30II NFCA Linear Headphone Amp - 6.35mm Jack 3.5mm Adaptor RCA Input and Output 37Vpp high Output Voltage Mini HiFi Amp Audio Hi-Res Preamplifier (Black) : Electronics Amazon.com: Topping L30II NFCA Linear Headphone Amp - 6.35mm Jack 3.5mm Adaptor RCA Input and Output 37Vpp high Output Voltage Mini HiFi Amp Audio Hi-Res Preamplifier (Black) : Electronics](https://m.media-amazon.com/images/I/61r0JWTkapL.jpg)
Amazon.com: Topping L30II NFCA Linear Headphone Amp - 6.35mm Jack 3.5mm Adaptor RCA Input and Output 37Vpp high Output Voltage Mini HiFi Amp Audio Hi-Res Preamplifier (Black) : Electronics
![Amazon.com: 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 : Electronics Amazon.com: 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 : Electronics](https://m.media-amazon.com/images/I/61rZ9xKYhnL.jpg)
Amazon.com: 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 : Electronics
![Amazon.com: S.M.S.L H300 Fully Balanced Headphone Amplifier and Preamp 4xPLFC 10000mWx2 Hi-Res Headphone Amp 6.35mm SE/4.4mm/XLR/RCA Output 3 Gain Desktop Amps for Earphones/Headphones/IEM(THD+N:0.00006%) : Electronics Amazon.com: S.M.S.L H300 Fully Balanced Headphone Amplifier and Preamp 4xPLFC 10000mWx2 Hi-Res Headphone Amp 6.35mm SE/4.4mm/XLR/RCA Output 3 Gain Desktop Amps for Earphones/Headphones/IEM(THD+N:0.00006%) : Electronics](https://m.media-amazon.com/images/I/41EOLE0tDQL.jpg)
Amazon.com: S.M.S.L H300 Fully Balanced Headphone Amplifier and Preamp 4xPLFC 10000mWx2 Hi-Res Headphone Amp 6.35mm SE/4.4mm/XLR/RCA Output 3 Gain Desktop Amps for Earphones/Headphones/IEM(THD+N:0.00006%) : Electronics
![microZOTL MZ3 Headphone Amp / Preamp / Integrated Amp - Vacuum Tube Headphone Amp by Linear Tube Audio microZOTL MZ3 Headphone Amp / Preamp / Integrated Amp - Vacuum Tube Headphone Amp by Linear Tube Audio](https://images.squarespace-cdn.com/content/v1/551c5a82e4b0c1e6d1556b74/1571347710496-MR0YJV3DN1JHFIJG5IJE/MZ-3+on+white-001.jpg)