Amazon.com: 1Mii Lavaudio DS400 Portable DAC/Headphone Amplifier Stereo Supports 768K/32Bit and Native DSD512, Hi-Res Hi-Fi for PC Headphone Out/3.5/4.4 mm/Coaxial/Optical Out Windows/Android/iOS Compatible : Electronics
Amazon.com: FiiO K5Pro Amplifier Headphone Amps Stereo High Resolution Portable Desktop DAC 768K/32Bit and Native DSD512 for Home Audio/PC 6.35mm Headphone Out/RCA Line-Out/Coaxial/Optical Inputs (K5PRO ESS) : Electronics
Amazon.com: FiiO NEWK3 Amplifier Headphone Amps Portable High Resolution 384kHz/32bit DSD256 USB Type-C Lossless for PC/Laptop/Smartphones/Speaker Home Audio : Electronics
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
Amazon.com: Sound Blaster X1 Hi-res Super X-Fi External USB DAC and Headphone Amplifier for PC and Mac, Also Compatible with PS4, PS5, and Switch : Electronics
Amazon.com: FiiO Q3 Amplifier Headphone Amp High Resolution DAC DSD512 for Smartphone/PC/Laptop/Home/Car Audio 2.5/3.5/4.4mm Output : Electronics
Amazon.com: FiiO K9Pro Amplifier Headphone Amps Bluetooth High Resolution Desktop Portable Support Lossless Sound 384kHz/DSD256/MQA/LDAC/AptX Adaptive/AptX HD for PC/Speaker/Home Aduio(K9Pro ESS) : Electronics
Pyle Portable Outdoor PA Speaker Amplifier System & Microphone Set with Bluetooth Wireless Streaming, Rechargeable Battery - Works with Mobile Phone, Tablet, PC, Laptop, MP3 Player - PWMA1216BM, BLACK
Amazon.com: ZOWEETEK Voice Amplifier for teaching,Voice Amplifier Microphone Headset,Portable Voice Amplifier for Teachers,Coaches,Training,Presentation,Meeting,Tour Guide,Church,Singing,Supports MP3 Format Audio : Musical Instruments
Amazon.com: Headphone Amplifier Two-Stage Gain Switch, 3.5mm Portable Headphone Amp for MobilePhone & PC 3.5mm Stereo Audio Input Out : Electronics
Nobsound Mini Bluetooth 5.0 Power Amplifier, Stereo Hi-Fi Digital Amp 2.0 Channel 50W×2 with AUX/USB/Bluetooth Input, Wireless Audio Receiver, PC Sound Card with Power Supply (Black)
Headphone Amplifier Portable 3.5 mm Audio Amp with Lithium Battery for MP3, MP4, Tablets, Smart Phone, Digital Player, Computer PC
Amazon.com: Nobsound Mini Bluetooth 5.0 Power Amplifier, Stereo Hi-Fi Digital Amp 2.0 Channel 50W×2 with AUX/USB/Bluetooth Input, Wireless Audio Receiver, PC Sound Card with Power Supply (Silver) : Electronics
Amazon.com: FiiO NEWK3 Amplifier Headphone Amps Portable High Resolution 384kHz/32bit DSD256 USB Type-C Lossless for PC/Laptop/Smartphones/Speaker Home Audio(Titanium) : Electronics
Amazon.com: FiiO Q3 Amplifier Headphone Amp High Resolution DAC DSD512 for Smartphone/PC/Laptop/Home/Car Audio 2.5/3.5/4.4mm Output : Electronics
Amazon.com: Wireless Microphone System, UHF Lapel/Headset Mic, Wide Compatible, 160ft Range for Voice Amplifier, Stage Speakers, Online Teaching, Tour Guides, Fitness Instructor(Support PC/Mac/Laptop) (Lapel) : Musical Instruments
Amazon.com: Pyle Power Home HiFi Stereo Amplifier - 90 Watt Portable Dual Channel Surround Sound Audio Receiver w/ 12V Adapter - For Subwoofer Speaker, MP3, iPad, iPhone, Car, Marine Boat, PA System -
Amazon.com: Wireless Microphone System, UHF Lapel/Headset Mic, Wide Compatible, 160ft Range for Voice Amplifier, Stage Speakers, Online Teaching, Tour Guides, Fitness Instructor(Support PC/Mac/Laptop) (Headset) : Musical Instruments
Amazon.com: ZOWEETEK Portable Rechargeable Mini Voice Amplifier with Wired Microphone Headset and Waistband, Supports MP3 Format Audio for Teachers, Singing, Coaches, Training, Presentation, Tour Guide : Musical Instruments
Amazon.com: DIGITNOW!Portable Karaoke Microphone Mixer System Set, with Dual UHF Wireless Mic, HDMI-ARC/Optical/AUX & HDMI In/Out in Singing Receiver for Smart TV, PC, KTV, Home Theater, Amplifier, Speaker : Musical Instruments
Amazon.com: Donner Mini Guitar Amp Digital, 5W Wireless Small Electric Guitar Amplifier, Cyclops Guitar Portable Practice Amp with 7 Amp Models 3 Types Effects: Mod, Delay, Reverb and Drum Machine : Musical Instruments