![Amazon.com: Pyle Hydra Marine Amplifier - Upgraded Elite Series 400 Watt 4 Channel Audio Amplifier - Waterproof, Dual MOSFET Power Supply, GAIN Level Controls, RCA Stereo Input & LED Indicator (PLMRA400) : Electronics Amazon.com: Pyle Hydra Marine Amplifier - Upgraded Elite Series 400 Watt 4 Channel Audio Amplifier - Waterproof, Dual MOSFET Power Supply, GAIN Level Controls, RCA Stereo Input & LED Indicator (PLMRA400) : Electronics](https://m.media-amazon.com/images/I/61DIKNCXZ6L._AC_UF894,1000_QL80_.jpg)
Amazon.com: Pyle Hydra Marine Amplifier - Upgraded Elite Series 400 Watt 4 Channel Audio Amplifier - Waterproof, Dual MOSFET Power Supply, GAIN Level Controls, RCA Stereo Input & LED Indicator (PLMRA400) : Electronics
![Amazon.com: Pyle Wireless Bluetooth Home Audio Amplifier - 90W Dual Channel Mini Portable Power Stereo Sound Receiver w/ Speaker Selector, RCA, AUX, LED, 12V Adapter - For iPad, iPhone, PA, Studio Use - Amazon.com: Pyle Wireless Bluetooth Home Audio Amplifier - 90W Dual Channel Mini Portable Power Stereo Sound Receiver w/ Speaker Selector, RCA, AUX, LED, 12V Adapter - For iPad, iPhone, PA, Studio Use -](https://m.media-amazon.com/images/I/71suXEAiyjS._AC_UF894,1000_QL80_.jpg)
Amazon.com: Pyle Wireless Bluetooth Home Audio Amplifier - 90W Dual Channel Mini Portable Power Stereo Sound Receiver w/ Speaker Selector, RCA, AUX, LED, 12V Adapter - For iPad, iPhone, PA, Studio Use -
![Amazon.com: Pyle Wireless Bluetooth Power Amplifier System - 200W Dual Channel Sound Audio Stereo Receiver w/ USB, SD, AUX, MIC IN w/ Echo, Radio, LCD - Home Theater Entertainment via RCA, - Amazon.com: Pyle Wireless Bluetooth Power Amplifier System - 200W Dual Channel Sound Audio Stereo Receiver w/ USB, SD, AUX, MIC IN w/ Echo, Radio, LCD - Home Theater Entertainment via RCA, -](https://m.media-amazon.com/images/I/813c4C5SgKL.jpg)
Amazon.com: Pyle Wireless Bluetooth Power Amplifier System - 200W Dual Channel Sound Audio Stereo Receiver w/ USB, SD, AUX, MIC IN w/ Echo, Radio, LCD - Home Theater Entertainment via RCA, -
![Amazon.com: Technical Pro 6000 Watts Professional Portable PA System, 2 Channel Digital Stereo Power Amplifier with Dual Cooling Speed Fans for Home Speaker System : Musical Instruments Amazon.com: Technical Pro 6000 Watts Professional Portable PA System, 2 Channel Digital Stereo Power Amplifier with Dual Cooling Speed Fans for Home Speaker System : Musical Instruments](https://m.media-amazon.com/images/I/71YeqbBWx0L._AC_UF894,1000_QL80_.jpg)
Amazon.com: Technical Pro 6000 Watts Professional Portable PA System, 2 Channel Digital Stereo Power Amplifier with Dual Cooling Speed Fans for Home Speaker System : Musical Instruments
![Amazon.com: ART USB Dual Pre Two Channel Preamplifier/Computer Interface (USBDUALPREPS),Black : Electronics Amazon.com: ART USB Dual Pre Two Channel Preamplifier/Computer Interface (USBDUALPREPS),Black : Electronics](https://m.media-amazon.com/images/I/41iDHnXI7CL._SR600%2C315_PIWhiteStrip%2CBottomLeft%2C0%2C35_PIStarRatingFOUR%2CBottomLeft%2C360%2C-6_SR600%2C315_ZA147%2C445%2C290%2C400%2C400%2CAmazonEmberBold%2C12%2C4%2C0%2C0%2C5_SCLZZZZZZZ_FMpng_BG255%2C255%2C255.jpg)
Amazon.com: ART USB Dual Pre Two Channel Preamplifier/Computer Interface (USBDUALPREPS),Black : Electronics
![Amazon.com: ART USB Dual Pre Two Channel Preamplifier/Computer Interface (USBDUALPREPS),Black : Electronics Amazon.com: ART USB Dual Pre Two Channel Preamplifier/Computer Interface (USBDUALPREPS),Black : Electronics](https://m.media-amazon.com/images/I/81JFLuxR+BL._AC_UF894,1000_QL80_.jpg)
Amazon.com: ART USB Dual Pre Two Channel Preamplifier/Computer Interface (USBDUALPREPS),Black : Electronics
![Amazon.com: Milisten 5pcs Audio Amplifier Audio Adapter Dual Receiver Dual Amplifier Audio Receiver Amplifier Speaker Amplifier Audio Power Amplifier Boombox Speaker bass Aluminum Alloy Megaphone : Electronics Amazon.com: Milisten 5pcs Audio Amplifier Audio Adapter Dual Receiver Dual Amplifier Audio Receiver Amplifier Speaker Amplifier Audio Power Amplifier Boombox Speaker bass Aluminum Alloy Megaphone : Electronics](https://m.media-amazon.com/images/I/51GJ+YJUTeL._AC_UF894,1000_QL80_.jpg)
Amazon.com: Milisten 5pcs Audio Amplifier Audio Adapter Dual Receiver Dual Amplifier Audio Receiver Amplifier Speaker Amplifier Audio Power Amplifier Boombox Speaker bass Aluminum Alloy Megaphone : Electronics
![Amazon.com: Pyle Dual Channel Bluetooth Mixing Amplifier - 2000W Rack Mount Karaoke Sound Mixer Audio Home Stereo Receiver Box System w/ RCA, USB, AUX - For Speaker, PA, Home Theater, Studio/Stage PMXAKB2000 : Amazon.com: Pyle Dual Channel Bluetooth Mixing Amplifier - 2000W Rack Mount Karaoke Sound Mixer Audio Home Stereo Receiver Box System w/ RCA, USB, AUX - For Speaker, PA, Home Theater, Studio/Stage PMXAKB2000 :](https://m.media-amazon.com/images/I/71xy3lM6eVL.jpg)
Amazon.com: Pyle Dual Channel Bluetooth Mixing Amplifier - 2000W Rack Mount Karaoke Sound Mixer Audio Home Stereo Receiver Box System w/ RCA, USB, AUX - For Speaker, PA, Home Theater, Studio/Stage PMXAKB2000 :
![Amazon.com: Gravity GR-DBE Two Channel Line-Output Converter 400 Watts Signal/CH with Digital Bass Enchancer with Knob/Dual Amplifier / 9.5 Volt Pre-Amp Outs/Level Matching Controls : Electronics Amazon.com: Gravity GR-DBE Two Channel Line-Output Converter 400 Watts Signal/CH with Digital Bass Enchancer with Knob/Dual Amplifier / 9.5 Volt Pre-Amp Outs/Level Matching Controls : Electronics](https://m.media-amazon.com/images/I/81r4QdXLJfL._AC_UF894,1000_QL80_.jpg)
Amazon.com: Gravity GR-DBE Two Channel Line-Output Converter 400 Watts Signal/CH with Digital Bass Enchancer with Knob/Dual Amplifier / 9.5 Volt Pre-Amp Outs/Level Matching Controls : Electronics
![2-Kanal Verstärker, 15W + 15W Audio Verstärker, Dual-Channel-Stereo Class D Stereo Digital Verstärker Platine DC 12V für die Herstellung von MP3/MP4 : Amazon.de: Elektronik & Foto 2-Kanal Verstärker, 15W + 15W Audio Verstärker, Dual-Channel-Stereo Class D Stereo Digital Verstärker Platine DC 12V für die Herstellung von MP3/MP4 : Amazon.de: Elektronik & Foto](https://m.media-amazon.com/images/I/61+G4RrQJaL._AC_UF894,1000_QL80_.jpg)
2-Kanal Verstärker, 15W + 15W Audio Verstärker, Dual-Channel-Stereo Class D Stereo Digital Verstärker Platine DC 12V für die Herstellung von MP3/MP4 : Amazon.de: Elektronik & Foto
![Mini Bluetooth Verstärker HiFi Stereo Audio Wireless 400W Dual Kanal Wireless Bluetooth 5.0 Endstufe Digital Signal Amplifier, für Heim Stereoanlage, Auto Lautsprecher (699BT) : Amazon.de: Elektronik & Foto Mini Bluetooth Verstärker HiFi Stereo Audio Wireless 400W Dual Kanal Wireless Bluetooth 5.0 Endstufe Digital Signal Amplifier, für Heim Stereoanlage, Auto Lautsprecher (699BT) : Amazon.de: Elektronik & Foto](https://m.media-amazon.com/images/I/61AMSPDESiS._AC_UF894,1000_QL80_.jpg)
Mini Bluetooth Verstärker HiFi Stereo Audio Wireless 400W Dual Kanal Wireless Bluetooth 5.0 Endstufe Digital Signal Amplifier, für Heim Stereoanlage, Auto Lautsprecher (699BT) : Amazon.de: Elektronik & Foto
![Amazon.com: Douk Audio VU3 Dual Analog VU Meter, 2-Way Amplifier/Speaker Switch, Audio Switcher Box with DB Panel Display : Electronics Amazon.com: Douk Audio VU3 Dual Analog VU Meter, 2-Way Amplifier/Speaker Switch, Audio Switcher Box with DB Panel Display : Electronics](https://m.media-amazon.com/images/I/61qSLV6pzLL.jpg)
Amazon.com: Douk Audio VU3 Dual Analog VU Meter, 2-Way Amplifier/Speaker Switch, Audio Switcher Box with DB Panel Display : 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._AC_UF894,1000_QL80_.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 -
![Amazon.com: Douk Audio VU3 Dual Analog VU Meter, 2-Way Amplifier/Speaker Switch, Audio Switcher Box with DB Panel Display : Electronics Amazon.com: Douk Audio VU3 Dual Analog VU Meter, 2-Way Amplifier/Speaker Switch, Audio Switcher Box with DB Panel Display : Electronics](https://m.media-amazon.com/images/I/61qSLV6pzLL._AC_UF894,1000_QL80_.jpg)
Amazon.com: Douk Audio VU3 Dual Analog VU Meter, 2-Way Amplifier/Speaker Switch, Audio Switcher Box with DB Panel Display : Electronics
![Amazon.com: Stereo Audio Amplifier Receiver, 300Wx2 Home Dual Channel Bluetooth 5.0 Sound Speaker AMP, Home Amplifiers FM Radio, USB, SD Card, with Remote Control Home Theater Audio Stereo System Components : Electronics Amazon.com: Stereo Audio Amplifier Receiver, 300Wx2 Home Dual Channel Bluetooth 5.0 Sound Speaker AMP, Home Amplifiers FM Radio, USB, SD Card, with Remote Control Home Theater Audio Stereo System Components : Electronics](https://m.media-amazon.com/images/I/61pRDsTGfpL._AC_UF1000,1000_QL80_.jpg)
Amazon.com: Stereo Audio Amplifier Receiver, 300Wx2 Home Dual Channel Bluetooth 5.0 Sound Speaker AMP, Home Amplifiers FM Radio, USB, SD Card, with Remote Control Home Theater Audio Stereo System Components : Electronics
![Amazon.com: Sunbuck Stereo Amplifier, Stereo Receivers with Bluetooth 5.0, Compact Audio Amplifier, 2 Channel Bluetooth Stereo Amplifier, Home Stereo System 250Wx2, with RCA/USB/FM, Receiver for Speaker, AS-29BU : Electronics Amazon.com: Sunbuck Stereo Amplifier, Stereo Receivers with Bluetooth 5.0, Compact Audio Amplifier, 2 Channel Bluetooth Stereo Amplifier, Home Stereo System 250Wx2, with RCA/USB/FM, Receiver for Speaker, AS-29BU : Electronics](https://m.media-amazon.com/images/I/71KEG6VFShL._AC_UF894,1000_QL80_.jpg)
Amazon.com: Sunbuck Stereo Amplifier, Stereo Receivers with Bluetooth 5.0, Compact Audio Amplifier, 2 Channel Bluetooth Stereo Amplifier, Home Stereo System 250Wx2, with RCA/USB/FM, Receiver for Speaker, AS-29BU : Electronics
![Amazon.com: Pyle Home Home Audio Power Amplifier System - 2X75W Mini Dual Channel Sound Stereo Receiver Box w/ LED - For Amplified Speakers, CD Player, Theater via 3.5mm RCA - For Studio, Amazon.com: Pyle Home Home Audio Power Amplifier System - 2X75W Mini Dual Channel Sound Stereo Receiver Box w/ LED - For Amplified Speakers, CD Player, Theater via 3.5mm RCA - For Studio,](https://m.media-amazon.com/images/I/81VL+Fwge9L._AC_UF894,1000_QL80_.jpg)
Amazon.com: Pyle Home Home Audio Power Amplifier System - 2X75W Mini Dual Channel Sound Stereo Receiver Box w/ LED - For Amplified Speakers, CD Player, Theater via 3.5mm RCA - For Studio,
![Amazon.com: UKCOCO 3pcs Audio Amplifier Small Amplifier Dual Amplifier Audio Component Amplifiers Speaker Amplifier Digital Audio Power Amplifier Boombox Speaker Megaphone Stereo Aluminum Alloy : Electronics Amazon.com: UKCOCO 3pcs Audio Amplifier Small Amplifier Dual Amplifier Audio Component Amplifiers Speaker Amplifier Digital Audio Power Amplifier Boombox Speaker Megaphone Stereo Aluminum Alloy : Electronics](https://m.media-amazon.com/images/I/51iXF-nkNsL._AC_UF1000,1000_QL80_.jpg)
Amazon.com: UKCOCO 3pcs Audio Amplifier Small Amplifier Dual Amplifier Audio Component Amplifiers Speaker Amplifier Digital Audio Power Amplifier Boombox Speaker Megaphone Stereo Aluminum Alloy : Electronics
![Amazon.com: Dual Electronics LU43PB 3-Way High Performance Outdoor Indoor Speakers with Powerful Bass & Dual Electronics DBTMA100 Micro Wireless Bluetooth 2 Channel Stereo Class-D Amplifier : Electronics Amazon.com: Dual Electronics LU43PB 3-Way High Performance Outdoor Indoor Speakers with Powerful Bass & Dual Electronics DBTMA100 Micro Wireless Bluetooth 2 Channel Stereo Class-D Amplifier : Electronics](https://m.media-amazon.com/images/I/81e9iYvtqcL._AC_UF1000,1000_QL80_.jpg)
Amazon.com: Dual Electronics LU43PB 3-Way High Performance Outdoor Indoor Speakers with Powerful Bass & Dual Electronics DBTMA100 Micro Wireless Bluetooth 2 Channel Stereo Class-D Amplifier : Electronics
![Amazon.com: MTX Audio 2014 to 2017 Polaris Polaris RZR XP1000 or 900 Four Speaker, Dual Amplifier, and Single Subwoofer Audio System RZRSYSTEM3 : Electronics Amazon.com: MTX Audio 2014 to 2017 Polaris Polaris RZR XP1000 or 900 Four Speaker, Dual Amplifier, and Single Subwoofer Audio System RZRSYSTEM3 : Electronics](https://m.media-amazon.com/images/I/81qL8I0uqLL._AC_UF894,1000_QL80_.jpg)
Amazon.com: MTX Audio 2014 to 2017 Polaris Polaris RZR XP1000 or 900 Four Speaker, Dual Amplifier, and Single Subwoofer Audio System RZRSYSTEM3 : Electronics
![Amazon.com: DAMGOO 50W+50W Bluetooth 5.0 Amplifier Board,100w Audio Amp Board Dual Channel DC8-24V,Easy Installation and Password Free Connect to Phone Quietly : Electronics Amazon.com: DAMGOO 50W+50W Bluetooth 5.0 Amplifier Board,100w Audio Amp Board Dual Channel DC8-24V,Easy Installation and Password Free Connect to Phone Quietly : Electronics](https://m.media-amazon.com/images/I/71W3izXGblL._AC_UF1000,1000_QL80_.jpg)
Amazon.com: DAMGOO 50W+50W Bluetooth 5.0 Amplifier Board,100w Audio Amp Board Dual Channel DC8-24V,Easy Installation and Password Free Connect to Phone Quietly : Electronics
![Amazon.com: AK-55 Bluetooth 5.0 HiFi Stereo Digital Audio Amplifier Receiver for Home Speakers (4-16Ω) System 600W Dual Channel Power Sound Amp Receiver w/AUX, FM, MIC, USB Echo, Reverb Delay-US Plug : Electronics Amazon.com: AK-55 Bluetooth 5.0 HiFi Stereo Digital Audio Amplifier Receiver for Home Speakers (4-16Ω) System 600W Dual Channel Power Sound Amp Receiver w/AUX, FM, MIC, USB Echo, Reverb Delay-US Plug : Electronics](https://m.media-amazon.com/images/I/61DbSQ+EFCL.jpg)