![Amazon.com: eSynic Professional Headphone Amplifier Portable Headphone Volume Amplifier Rechargeble Headphone Amps Digital HiFi Amp with 3.5mm Jack & a Two-Stage Gain Switch for MP3 MP4 Phones and Computers etc : Electronics Amazon.com: eSynic Professional Headphone Amplifier Portable Headphone Volume Amplifier Rechargeble Headphone Amps Digital HiFi Amp with 3.5mm Jack & a Two-Stage Gain Switch for MP3 MP4 Phones and Computers etc : Electronics](https://m.media-amazon.com/images/I/61gsGHVfNXL._AC_UF894,1000_QL80_.jpg)
Amazon.com: eSynic Professional Headphone Amplifier Portable Headphone Volume Amplifier Rechargeble Headphone Amps Digital HiFi Amp with 3.5mm Jack & a Two-Stage Gain Switch for MP3 MP4 Phones and Computers etc : Electronics
![Amazon.com: Kinter K3118 Texas Instruments TI Digital Hi-Fi Audio Mini Class D Home Auto DIY Arcade Stereo Amplifier with 12V 3A Power Supply Black : Electronics Amazon.com: Kinter K3118 Texas Instruments TI Digital Hi-Fi Audio Mini Class D Home Auto DIY Arcade Stereo Amplifier with 12V 3A Power Supply Black : Electronics](https://m.media-amazon.com/images/I/81FUxGqWD8L.jpg)
Amazon.com: Kinter K3118 Texas Instruments TI Digital Hi-Fi Audio Mini Class D Home Auto DIY Arcade Stereo Amplifier with 12V 3A Power Supply Black : Electronics
![Amazon.com: [Upgraded Version]Fosi Audio TB10D 600W TPA3255 Power Amplifier Home Audio HiFi Stereo Class D Digital 2 Channel Integrated Mini Passive Speaker Amp : Electronics Amazon.com: [Upgraded Version]Fosi Audio TB10D 600W TPA3255 Power Amplifier Home Audio HiFi Stereo Class D Digital 2 Channel Integrated Mini Passive Speaker Amp : Electronics](https://m.media-amazon.com/images/I/51AS+O1OLgL._AC_UF894,1000_QL80_.jpg)
Amazon.com: [Upgraded Version]Fosi Audio TB10D 600W TPA3255 Power Amplifier Home Audio HiFi Stereo Class D Digital 2 Channel Integrated Mini Passive Speaker Amp : Electronics
![Amazon.com: Douk Audio U3 Mini Class A Headphone Amplifier HiFi Desktop Home Stereo Amp DC5V : Electronics Amazon.com: Douk Audio U3 Mini Class A Headphone Amplifier HiFi Desktop Home Stereo Amp DC5V : Electronics](https://m.media-amazon.com/images/I/61Q-w-nktiL._AC_UF894,1000_QL80_.jpg)
Amazon.com: Douk Audio U3 Mini Class A Headphone Amplifier HiFi Desktop Home Stereo Amp DC5V : Electronics
![Amazon.com: AIYIMA D03 Bluetooth 5.0 Power Amplifier 150 Watt x 2 Stereo HiFi 2.1 CH Digital Sound Amplificador 24Bit/192kHz Class D Amp USB DAC Coaxial Optical OLED AptX, Support Subwoofer & with Amazon.com: AIYIMA D03 Bluetooth 5.0 Power Amplifier 150 Watt x 2 Stereo HiFi 2.1 CH Digital Sound Amplificador 24Bit/192kHz Class D Amp USB DAC Coaxial Optical OLED AptX, Support Subwoofer & with](https://m.media-amazon.com/images/I/5137K6Us74L._AC_UF894,1000_QL80_.jpg)
Amazon.com: AIYIMA D03 Bluetooth 5.0 Power Amplifier 150 Watt x 2 Stereo HiFi 2.1 CH Digital Sound Amplificador 24Bit/192kHz Class D Amp USB DAC Coaxial Optical OLED AptX, Support Subwoofer & with
![Amazon.com: PROZOR 192kHz/24bit Stereo Audio Amplifier,Hi-Fi Digital Power Amplifier with Bluetooth Receiver,DAC Optical Coaxial to Analog Audio Converter with IR Remote Control for Passive Speakers 100W + 100W : Electronics Amazon.com: PROZOR 192kHz/24bit Stereo Audio Amplifier,Hi-Fi Digital Power Amplifier with Bluetooth Receiver,DAC Optical Coaxial to Analog Audio Converter with IR Remote Control for Passive Speakers 100W + 100W : Electronics](https://m.media-amazon.com/images/I/61wHdi8OUJL.jpg)
Amazon.com: PROZOR 192kHz/24bit Stereo Audio Amplifier,Hi-Fi Digital Power Amplifier with Bluetooth Receiver,DAC Optical Coaxial to Analog Audio Converter with IR Remote Control for Passive Speakers 100W + 100W : Electronics
![Amazon.com: FX-Audio DAC-X6 Mini HiFi 2.0 Digital Audio Decoder DAC and FX 502E-L Bluetooth 5.1 Stereo Audio Amplifier Receiver 2 Channel : Electronics Amazon.com: FX-Audio DAC-X6 Mini HiFi 2.0 Digital Audio Decoder DAC and FX 502E-L Bluetooth 5.1 Stereo Audio Amplifier Receiver 2 Channel : Electronics](https://m.media-amazon.com/images/I/612YOERyNSL.jpg)
Amazon.com: FX-Audio DAC-X6 Mini HiFi 2.0 Digital Audio Decoder DAC and FX 502E-L Bluetooth 5.1 Stereo Audio Amplifier Receiver 2 Channel : Electronics
![Amazon.com: 2 Channel Bluetooth Amplifier Marine, Acouto 5 Inch Auto Car Digital Bluetooth Amplifier HiFi Bass High Power Stereo Audio AMP Digital Bluetooth Amplifier Board Kit : Electronics Amazon.com: 2 Channel Bluetooth Amplifier Marine, Acouto 5 Inch Auto Car Digital Bluetooth Amplifier HiFi Bass High Power Stereo Audio AMP Digital Bluetooth Amplifier Board Kit : Electronics](https://m.media-amazon.com/images/I/71PlUDLtJcL._AC_UF1000,1000_QL80_.jpg)
Amazon.com: 2 Channel Bluetooth Amplifier Marine, Acouto 5 Inch Auto Car Digital Bluetooth Amplifier HiFi Bass High Power Stereo Audio AMP Digital Bluetooth Amplifier Board Kit : Electronics
![Amazon.com: Fosi Audio M01-BT Bluetooth 5.0 300 Watt Subwoofer Amplifier Home Theater Full-Frequency Mini Stereo Audio Hi-Fi Mono Power Amp with Bass Gain Control for Passive Subwoofer Speaker Bass Shaker : Electronics Amazon.com: Fosi Audio M01-BT Bluetooth 5.0 300 Watt Subwoofer Amplifier Home Theater Full-Frequency Mini Stereo Audio Hi-Fi Mono Power Amp with Bass Gain Control for Passive Subwoofer Speaker Bass Shaker : Electronics](https://m.media-amazon.com/images/I/71GRLY9+dBL._AC_UF894,1000_QL80_.jpg)
Amazon.com: Fosi Audio M01-BT Bluetooth 5.0 300 Watt Subwoofer Amplifier Home Theater Full-Frequency Mini Stereo Audio Hi-Fi Mono Power Amp with Bass Gain Control for Passive Subwoofer Speaker Bass Shaker : Electronics
![Amazon.com: [Upgraded Version]Fosi Audio TB10D 600W TPA3255 Power Amplifier Home Audio HiFi Stereo Class D Digital 2 Channel Integrated Mini Passive Speaker Amp : Electronics Amazon.com: [Upgraded Version]Fosi Audio TB10D 600W TPA3255 Power Amplifier Home Audio HiFi Stereo Class D Digital 2 Channel Integrated Mini Passive Speaker Amp : Electronics](https://m.media-amazon.com/images/I/31XqzVg5y8L.jpg)
Amazon.com: [Upgraded Version]Fosi Audio TB10D 600W TPA3255 Power Amplifier Home Audio HiFi Stereo Class D Digital 2 Channel Integrated Mini Passive Speaker Amp : Electronics
![Amazon.com: 4.1 CH Stereo Amplifier, Bluetooth 5.0 Receiver, 600W Amplifier Home Audio, HiFi Amp 45Wx4, Microphone/USB, for Home Theater, with Remote Control & Power Adapter : Electronics Amazon.com: 4.1 CH Stereo Amplifier, Bluetooth 5.0 Receiver, 600W Amplifier Home Audio, HiFi Amp 45Wx4, Microphone/USB, for Home Theater, with Remote Control & Power Adapter : Electronics](https://m.media-amazon.com/images/I/91dQbI+MWwL._AC_UF894,1000_QL80_.jpg)
Amazon.com: 4.1 CH Stereo Amplifier, Bluetooth 5.0 Receiver, 600W Amplifier Home Audio, HiFi Amp 45Wx4, Microphone/USB, for Home Theater, with Remote Control & Power Adapter : Electronics
![Amazon.com: Pyle Home Mini Audio Amplifier - 60W Portable Dual Channel Surround Sound HiFi Stereo Receiver w/ 12V AC Adapter, AUX, MIC IN, Supports Smart Phone, iPhone, iPod, MP3 For 2-8ohm Speakers - Amazon.com: Pyle Home Mini Audio Amplifier - 60W Portable Dual Channel Surround Sound HiFi Stereo Receiver w/ 12V AC Adapter, AUX, MIC IN, Supports Smart Phone, iPhone, iPod, MP3 For 2-8ohm Speakers -](https://m.media-amazon.com/images/I/81eQIL7VdML.jpg)
Amazon.com: Pyle Home Mini Audio Amplifier - 60W Portable Dual Channel Surround Sound HiFi Stereo Receiver w/ 12V AC Adapter, AUX, MIC IN, Supports Smart Phone, iPhone, iPod, MP3 For 2-8ohm Speakers -
![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) 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)](https://m.media-amazon.com/images/I/71zQWYC4bDL.jpg)
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)
![Amazon.com: Facmogu AS-22 Mini Bluetooth Stereo Digital Amplifier, RMS 45Wx2 MAX 300Wx2 Hi-Fi Class D Audio Amp, 2 CH Integrated Amp Power Amplifier Wireless Audio Receiver, Bass & Treble, Remote Control : Amazon.com: Facmogu AS-22 Mini Bluetooth Stereo Digital Amplifier, RMS 45Wx2 MAX 300Wx2 Hi-Fi Class D Audio Amp, 2 CH Integrated Amp Power Amplifier Wireless Audio Receiver, Bass & Treble, Remote Control :](https://m.media-amazon.com/images/I/712xQG7n57L._AC_UF894,1000_QL80_.jpg)
Amazon.com: Facmogu AS-22 Mini Bluetooth Stereo Digital Amplifier, RMS 45Wx2 MAX 300Wx2 Hi-Fi Class D Audio Amp, 2 CH Integrated Amp Power Amplifier Wireless Audio Receiver, Bass & Treble, Remote Control :
![Fosi Audio BT10A Bluetooth 5.0 Stereo Audio Amplifier Receiver 2 Channel Class D Mini Hi-Fi Integrated Amp for Home Passive Speakers 50W x 2 TPA3116 Fosi Audio BT10A Bluetooth 5.0 Stereo Audio Amplifier Receiver 2 Channel Class D Mini Hi-Fi Integrated Amp for Home Passive Speakers 50W x 2 TPA3116](https://m.media-amazon.com/images/I/51MGTgEtRTL.jpg)
Fosi Audio BT10A Bluetooth 5.0 Stereo Audio Amplifier Receiver 2 Channel Class D Mini Hi-Fi Integrated Amp for Home Passive Speakers 50W x 2 TPA3116
![Amazon.com: Facmogu AK35 90W+90W Mini HiFi Digital Amplifier, 2 Channel Bluetooth 5.0 Sound Amplifier Speaker AMP, Surround Sound FM USB Remote Control Low Distortion Home Car Amplifiers : Electronics Amazon.com: Facmogu AK35 90W+90W Mini HiFi Digital Amplifier, 2 Channel Bluetooth 5.0 Sound Amplifier Speaker AMP, Surround Sound FM USB Remote Control Low Distortion Home Car Amplifiers : Electronics](https://m.media-amazon.com/images/I/71agoCOu+OL._AC_UF894,1000_QL80_.jpg)
Amazon.com: Facmogu AK35 90W+90W Mini HiFi Digital Amplifier, 2 Channel Bluetooth 5.0 Sound Amplifier Speaker AMP, Surround Sound FM USB Remote Control Low Distortion Home Car Amplifiers : Electronics
![Amazon.com: Mini Bluetooth Home Audio Stereo Amplifier Receiver, 2×80W 2.1 Channel Digital Class D Integrated Amp for Home Speakers with DAC 24-Bit 192KHz Optical Coaxial AUX Headphone Line Out Jack : Electronics Amazon.com: Mini Bluetooth Home Audio Stereo Amplifier Receiver, 2×80W 2.1 Channel Digital Class D Integrated Amp for Home Speakers with DAC 24-Bit 192KHz Optical Coaxial AUX Headphone Line Out Jack : Electronics](https://m.media-amazon.com/images/I/7168f7cV2FL._AC_UF1000,1000_QL80_.jpg)
Amazon.com: Mini Bluetooth Home Audio Stereo Amplifier Receiver, 2×80W 2.1 Channel Digital Class D Integrated Amp for Home Speakers with DAC 24-Bit 192KHz Optical Coaxial AUX Headphone Line Out Jack : Electronics
![Amazon.com: Douk Audio 120W Mini Bluetooth 5.0 Power Amplifier 2.0 Channel Hi-Fi Stereo Class D Audio Amp Wireless Receiver TF USB Home Speaker (Upgrade Version) (Silver) : Electronics Amazon.com: Douk Audio 120W Mini Bluetooth 5.0 Power Amplifier 2.0 Channel Hi-Fi Stereo Class D Audio Amp Wireless Receiver TF USB Home Speaker (Upgrade Version) (Silver) : Electronics](https://m.media-amazon.com/images/I/61ALTL1QV+L._AC_UF1000,1000_QL80_.jpg)
Amazon.com: Douk Audio 120W Mini Bluetooth 5.0 Power Amplifier 2.0 Channel Hi-Fi Stereo Class D Audio Amp Wireless Receiver TF USB Home Speaker (Upgrade Version) (Silver) : Electronics
![Amazon.com: HiFi Bluetooth Audio Amplifier 298A Mini Stereo Amp RMS 40W Max 300W 2.0 Channel Audio Power Amplifier Receiver w/USB FM Mic for Home, Car Speakers System(US Plug) : Electronics Amazon.com: HiFi Bluetooth Audio Amplifier 298A Mini Stereo Amp RMS 40W Max 300W 2.0 Channel Audio Power Amplifier Receiver w/USB FM Mic for Home, Car Speakers System(US Plug) : Electronics](https://m.media-amazon.com/images/I/71Od06lJiUL.jpg)
Amazon.com: HiFi Bluetooth Audio Amplifier 298A Mini Stereo Amp RMS 40W Max 300W 2.0 Channel Audio Power Amplifier Receiver w/USB FM Mic for Home, Car Speakers System(US Plug) : Electronics
![Amazon.com: Fosi Audio BT20A-S Bluetooth 5.0 Stereo Audio 2 Channel Amplifier Receiver Mini Hi-Fi Class D Integrated Amp 2.0 CH for Home Speakers 100W x 2 with Bass and Treble Control TPA3116 ( Amazon.com: Fosi Audio BT20A-S Bluetooth 5.0 Stereo Audio 2 Channel Amplifier Receiver Mini Hi-Fi Class D Integrated Amp 2.0 CH for Home Speakers 100W x 2 with Bass and Treble Control TPA3116 (](https://m.media-amazon.com/images/I/51ujggQfKZL._AC_UF894,1000_QL80_.jpg)
Amazon.com: Fosi Audio BT20A-S Bluetooth 5.0 Stereo Audio 2 Channel Amplifier Receiver Mini Hi-Fi Class D Integrated Amp 2.0 CH for Home Speakers 100W x 2 with Bass and Treble Control TPA3116 (
![Amazon.com: Fosi Audio V1.0G 2 Channel Class D Mini Stereo Amplifier for Home Speakers TPA3116 50W x 2 with Power Supply : Electronics Amazon.com: Fosi Audio V1.0G 2 Channel Class D Mini Stereo Amplifier for Home Speakers TPA3116 50W x 2 with Power Supply : Electronics](https://m.media-amazon.com/images/I/61xMG8O+TdL.jpg)
Amazon.com: Fosi Audio V1.0G 2 Channel Class D Mini Stereo Amplifier for Home Speakers TPA3116 50W x 2 with Power Supply : Electronics
![Amazon.com: Fosi Audio BT20A Bluetooth 5.0 Stereo Audio 2 Channel Amplifier Receiver Mini Hi-Fi Class D Integrated Amp+P2 Headphone Amplifier Vacuum Tube Headphone Amp : Electronics Amazon.com: Fosi Audio BT20A Bluetooth 5.0 Stereo Audio 2 Channel Amplifier Receiver Mini Hi-Fi Class D Integrated Amp+P2 Headphone Amplifier Vacuum Tube Headphone Amp : Electronics](https://m.media-amazon.com/images/I/61vRXHVGjML._AC_UF1000,1000_QL80_.jpg)
Amazon.com: Fosi Audio BT20A Bluetooth 5.0 Stereo Audio 2 Channel Amplifier Receiver Mini Hi-Fi Class D Integrated Amp+P2 Headphone Amplifier Vacuum Tube Headphone Amp : Electronics
![Amazon.com: AIYIMA T9 PRO 200W Tube Amplifier Class D HiFi Digital Amp 2.0/2.1 Channel Vacuum Tube Power Amp with VU Meter & Bass Treble Tone Control;Bluetooth 5.1 DAC Coaxial Optical PC-USB inputs : Amazon.com: AIYIMA T9 PRO 200W Tube Amplifier Class D HiFi Digital Amp 2.0/2.1 Channel Vacuum Tube Power Amp with VU Meter & Bass Treble Tone Control;Bluetooth 5.1 DAC Coaxial Optical PC-USB inputs :](https://m.media-amazon.com/images/I/61ojPJAgfqL._AC_UF894,1000_QL80_.jpg)