![Amazon.com: BOSS Audio Systems PD5000 Phantom 5000-Watt, 1, 2, 4 Ohm Stable Class D Monoblock Car Amplifier with Remote Subwoofer Control : Electronics Amazon.com: BOSS Audio Systems PD5000 Phantom 5000-Watt, 1, 2, 4 Ohm Stable Class D Monoblock Car Amplifier with Remote Subwoofer Control : Electronics](https://m.media-amazon.com/images/I/81XbMQDGtEL._AC_UF894,1000_QL80_.jpg)
Amazon.com: BOSS Audio Systems PD5000 Phantom 5000-Watt, 1, 2, 4 Ohm Stable Class D Monoblock Car Amplifier with Remote Subwoofer Control : Electronics
![Amazon.com: BOSS Audio Systems R1100M Riot Series Car Audio Subwoofer Amplifier - 1100 High Output, Monoblock, Class A/B, 2/4 Ohm Stable, Low/High Level Inputs, Low Pass Crossover, Mosfet Power Supply, Stereo : Amazon.com: BOSS Audio Systems R1100M Riot Series Car Audio Subwoofer Amplifier - 1100 High Output, Monoblock, Class A/B, 2/4 Ohm Stable, Low/High Level Inputs, Low Pass Crossover, Mosfet Power Supply, Stereo :](https://m.media-amazon.com/images/I/61b4kNtfGdL._AC_UF894,1000_QL80_.jpg)
Amazon.com: BOSS Audio Systems R1100M Riot Series Car Audio Subwoofer Amplifier - 1100 High Output, Monoblock, Class A/B, 2/4 Ohm Stable, Low/High Level Inputs, Low Pass Crossover, Mosfet Power Supply, Stereo :
![Amazon.com: Pyle 4 Channel Marine Amplifier - Compact Power 400 Watt RMS 4 OHM Full Range Stereo & Waterproof - Wireless Bluetooth Receiver Audio Speaker with LCD Digital Screen - PFMRA440BB : Electronics Amazon.com: Pyle 4 Channel Marine Amplifier - Compact Power 400 Watt RMS 4 OHM Full Range Stereo & Waterproof - Wireless Bluetooth Receiver Audio Speaker with LCD Digital Screen - PFMRA440BB : Electronics](https://m.media-amazon.com/images/I/61WbMO2bErL._AC_UF894,1000_QL80_.jpg)
Amazon.com: Pyle 4 Channel Marine Amplifier - Compact Power 400 Watt RMS 4 OHM Full Range Stereo & Waterproof - Wireless Bluetooth Receiver Audio Speaker with LCD Digital Screen - PFMRA440BB : Electronics
![Amazon.com: Facmogu S-288 4 CH Bluetooth 5.0 Home Audio Amplifier, RMS 40Wx4, Max 600W HiFi Stereo Power Amplifier USB, SD, FM Class D Speaker Amp for Home Theater Karaoke, with Power Adapter Amazon.com: Facmogu S-288 4 CH Bluetooth 5.0 Home Audio Amplifier, RMS 40Wx4, Max 600W HiFi Stereo Power Amplifier USB, SD, FM Class D Speaker Amp for Home Theater Karaoke, with Power Adapter](https://m.media-amazon.com/images/I/61+ja1Y1wQL.jpg)
Amazon.com: Facmogu S-288 4 CH Bluetooth 5.0 Home Audio Amplifier, RMS 40Wx4, Max 600W HiFi Stereo Power Amplifier USB, SD, FM Class D Speaker Amp for Home Theater Karaoke, with Power Adapter
![Amazon.com: Recoil DI550.4 Full-Range Class-D 4-Channel Car Audio Amplifier, 1,040 Watts Max Power, 2-4 Ohm Stable, Mosfet Power Supply, Bridgeable : Electronics Amazon.com: Recoil DI550.4 Full-Range Class-D 4-Channel Car Audio Amplifier, 1,040 Watts Max Power, 2-4 Ohm Stable, Mosfet Power Supply, Bridgeable : Electronics](https://m.media-amazon.com/images/I/71022RX17mL._AC_UF1000,1000_QL80_.jpg)
Amazon.com: Recoil DI550.4 Full-Range Class-D 4-Channel Car Audio Amplifier, 1,040 Watts Max Power, 2-4 Ohm Stable, Mosfet Power Supply, Bridgeable : Electronics
![Amazon.com: BOSS Audio Systems R1100M-S Riot Series Car Audio Subwoofer Amplifier - 1100 High Output, Monoblock, Class A/B, 2/4 Ohm Stable, Low/High Level Inputs, Low Pass Crossover, Mosfet, Hook Up to Stereo : Amazon.com: BOSS Audio Systems R1100M-S Riot Series Car Audio Subwoofer Amplifier - 1100 High Output, Monoblock, Class A/B, 2/4 Ohm Stable, Low/High Level Inputs, Low Pass Crossover, Mosfet, Hook Up to Stereo :](https://m.media-amazon.com/images/I/71bzG0ynVUL._AC_UF894,1000_QL80_.jpg)
Amazon.com: BOSS Audio Systems R1100M-S Riot Series Car Audio Subwoofer Amplifier - 1100 High Output, Monoblock, Class A/B, 2/4 Ohm Stable, Low/High Level Inputs, Low Pass Crossover, Mosfet, Hook Up to Stereo :
![Amazon.com: Degraw DIY Speaker Kit - PAM8403 5V Amplifier + 2Pcs 4 ohm, 3 watt Speakers - Mini Class D Digital Audio Amplifier amp Board Module kit for Arduino, Includes 3.5mm Plug! : Electronics Amazon.com: Degraw DIY Speaker Kit - PAM8403 5V Amplifier + 2Pcs 4 ohm, 3 watt Speakers - Mini Class D Digital Audio Amplifier amp Board Module kit for Arduino, Includes 3.5mm Plug! : Electronics](https://m.media-amazon.com/images/I/61qYXNAcyFL._AC_UF1000,1000_QL80_.jpg)
Amazon.com: Degraw DIY Speaker Kit - PAM8403 5V Amplifier + 2Pcs 4 ohm, 3 watt Speakers - Mini Class D Digital Audio Amplifier amp Board Module kit for Arduino, Includes 3.5mm Plug! : Electronics
![Amazon.com: Pyle Home Marine Car Amplifier - 4-Channel Compact 400 Watt RMS 4 OHM Full Range Monoblock Stereo & Waterproof - Wireless Bluetooth Receiver Audio Speaker w/ LCD Digital Screen (PFMRA450BW) : Electronics Amazon.com: Pyle Home Marine Car Amplifier - 4-Channel Compact 400 Watt RMS 4 OHM Full Range Monoblock Stereo & Waterproof - Wireless Bluetooth Receiver Audio Speaker w/ LCD Digital Screen (PFMRA450BW) : Electronics](https://m.media-amazon.com/images/I/61bYo53JHmL._AC_UF894,1000_QL80_.jpg)
Amazon.com: Pyle Home Marine Car Amplifier - 4-Channel Compact 400 Watt RMS 4 OHM Full Range Monoblock Stereo & Waterproof - Wireless Bluetooth Receiver Audio Speaker w/ LCD Digital Screen (PFMRA450BW) : Electronics
![Amazon.com: OSD Audio 1000W Mono-Channel Class D Subwoofer Amplifier – Onboard DSP, 4-8 Ohm – SMP500 : Electronics Amazon.com: OSD Audio 1000W Mono-Channel Class D Subwoofer Amplifier – Onboard DSP, 4-8 Ohm – SMP500 : Electronics](https://m.media-amazon.com/images/I/51VHJ8bGwbL.jpg)
Amazon.com: OSD Audio 1000W Mono-Channel Class D Subwoofer Amplifier – Onboard DSP, 4-8 Ohm – SMP500 : Electronics
![Amazon.com: Massive Audio Blade BP1000.4 Car Stereo Amplifier. 4 Channel Amplifier 1000 Watts, Class A/B, 2 Ohm Stable, with Bass Boost. The Best 4-Channel Car Amplifier with Built-in OEM Line Converter : Amazon.com: Massive Audio Blade BP1000.4 Car Stereo Amplifier. 4 Channel Amplifier 1000 Watts, Class A/B, 2 Ohm Stable, with Bass Boost. The Best 4-Channel Car Amplifier with Built-in OEM Line Converter :](https://m.media-amazon.com/images/I/51ME9bj+LgL._AC_UF1000,1000_QL80_.jpg)
Amazon.com: Massive Audio Blade BP1000.4 Car Stereo Amplifier. 4 Channel Amplifier 1000 Watts, Class A/B, 2 Ohm Stable, with Bass Boost. The Best 4-Channel Car Amplifier with Built-in OEM Line Converter :
![Amazon.com: Fosi Audio BT20A Bluetooth 5.0 Stereo Audio 2 Channel Amplifier Receiver and Box X1 MM Phono Preamplifier : Electronics Amazon.com: Fosi Audio BT20A Bluetooth 5.0 Stereo Audio 2 Channel Amplifier Receiver and Box X1 MM Phono Preamplifier : Electronics](https://m.media-amazon.com/images/I/61Hvyfse11L._AC_UF1000,1000_QL80_.jpg)
Amazon.com: Fosi Audio BT20A Bluetooth 5.0 Stereo Audio 2 Channel Amplifier Receiver and Box X1 MM Phono Preamplifier : Electronics
![Amazon.com: BOSS Audio Systems Elite BE1500.1 Monoblock Car Amplifier - 1500 Watts, 2 4 Ohm Stable, Class AB, Mosfet Power Supply, Great For Subwoofers : Everything Else Amazon.com: BOSS Audio Systems Elite BE1500.1 Monoblock Car Amplifier - 1500 Watts, 2 4 Ohm Stable, Class AB, Mosfet Power Supply, Great For Subwoofers : Everything Else](https://m.media-amazon.com/images/I/91McismpJnL._AC_UF894,1000_QL80_.jpg)
Amazon.com: BOSS Audio Systems Elite BE1500.1 Monoblock Car Amplifier - 1500 Watts, 2 4 Ohm Stable, Class AB, Mosfet Power Supply, Great For Subwoofers : Everything Else
![Amazon.com: Pyle Home Marine Car Amplifier - 2-Channel Bridgeable Compact 200 Watt RMS 4 OHM Full Range Monoblock Stereo & Waterproof - Wireless Bluetooth Receiver Audio Speaker w/ LCD Digital Screen (PFMRA340BB) : Electronics Amazon.com: Pyle Home Marine Car Amplifier - 2-Channel Bridgeable Compact 200 Watt RMS 4 OHM Full Range Monoblock Stereo & Waterproof - Wireless Bluetooth Receiver Audio Speaker w/ LCD Digital Screen (PFMRA340BB) : Electronics](https://m.media-amazon.com/images/I/81A8wAn33nL._AC_UF894,1000_QL80_.jpg)
Amazon.com: Pyle Home Marine Car Amplifier - 2-Channel Bridgeable Compact 200 Watt RMS 4 OHM Full Range Monoblock Stereo & Waterproof - Wireless Bluetooth Receiver Audio Speaker w/ LCD Digital Screen (PFMRA340BB) : Electronics
![Amazon.com: Fosi Audio V1.0B 2 Channel Amplifier Stereo Audio Amp Mini Hi-Fi Class D Integrated TPA3116 Amp for Home Speakers 50W x 2 with 19V 4.74A Power Supply : Electronics Amazon.com: Fosi Audio V1.0B 2 Channel Amplifier Stereo Audio Amp Mini Hi-Fi Class D Integrated TPA3116 Amp for Home Speakers 50W x 2 with 19V 4.74A Power Supply : Electronics](https://m.media-amazon.com/images/I/51bwu86k3NL._AC_UF894,1000_QL80_.jpg)
Amazon.com: Fosi Audio V1.0B 2 Channel Amplifier Stereo Audio Amp Mini Hi-Fi Class D Integrated TPA3116 Amp for Home Speakers 50W x 2 with 19V 4.74A Power Supply : Electronics
![Amazon.com: Neoteck Portable 3.5mm Headphone Amplifier Two-Stage Gain Switch, 16-150 Ohm, Aluminum Matte Surface : Electronics Amazon.com: Neoteck Portable 3.5mm Headphone Amplifier Two-Stage Gain Switch, 16-150 Ohm, Aluminum Matte Surface : Electronics](https://m.media-amazon.com/images/I/71cSEWeegeL._AC_UF894,1000_QL80_.jpg)
Amazon.com: Neoteck Portable 3.5mm Headphone Amplifier Two-Stage Gain Switch, 16-150 Ohm, Aluminum Matte Surface : Electronics
![Amazon.com: Fosi Audio TB10A 2 Channel Stereo Audio Amplifier Receiver and Banana Plugs 2 Pairs / 4 pcs : Electronics Amazon.com: Fosi Audio TB10A 2 Channel Stereo Audio Amplifier Receiver and Banana Plugs 2 Pairs / 4 pcs : Electronics](https://m.media-amazon.com/images/I/61FHiqEPE3L._AC_UF1000,1000_QL80_.jpg)
Amazon.com: Fosi Audio TB10A 2 Channel Stereo Audio Amplifier Receiver and Banana Plugs 2 Pairs / 4 pcs : Electronics
![Amazon.com: BOSS Audio Systems MR1000 4 Channel Weather Resistant Amplifier - 1000 Watts, Full Range, Class AB, 4 Ohm Stable, RCA Inputs, Bridgeable : Electronics Amazon.com: BOSS Audio Systems MR1000 4 Channel Weather Resistant Amplifier - 1000 Watts, Full Range, Class AB, 4 Ohm Stable, RCA Inputs, Bridgeable : Electronics](https://m.media-amazon.com/images/I/61GIZIjWFKL._AC_UF894,1000_QL80_.jpg)
Amazon.com: BOSS Audio Systems MR1000 4 Channel Weather Resistant Amplifier - 1000 Watts, Full Range, Class AB, 4 Ohm Stable, RCA Inputs, Bridgeable : Electronics
![Amazon.com: Gravity 1000.4 Class AB Car Amplifier - 1000 Watts, 2/4 Ohm Stable, Stereo 4 Channels, Mosfet Power Supply, Great for Subwoofers (2nd Generation) with SoundXtreme AP6 Bass Machine Bundle : Electronics Amazon.com: Gravity 1000.4 Class AB Car Amplifier - 1000 Watts, 2/4 Ohm Stable, Stereo 4 Channels, Mosfet Power Supply, Great for Subwoofers (2nd Generation) with SoundXtreme AP6 Bass Machine Bundle : Electronics](https://m.media-amazon.com/images/I/91RUM2G-i6L._AC_UF894,1000_QL80_.jpg)
Amazon.com: Gravity 1000.4 Class AB Car Amplifier - 1000 Watts, 2/4 Ohm Stable, Stereo 4 Channels, Mosfet Power Supply, Great for Subwoofers (2nd Generation) with SoundXtreme AP6 Bass Machine Bundle : Electronics
![Amazon.com: Planet Audio BB4.1200 4 Channel Class D Car Amplifier - 1200 Watts, Full Range, 2-4 Ohm Stable, Mosfet Power Supply, Bridgeable : Electronics Amazon.com: Planet Audio BB4.1200 4 Channel Class D Car Amplifier - 1200 Watts, Full Range, 2-4 Ohm Stable, Mosfet Power Supply, Bridgeable : Electronics](https://m.media-amazon.com/images/I/71W8unLGpvL._AC_UF894,1000_QL80_.jpg)
Amazon.com: Planet Audio BB4.1200 4 Channel Class D Car Amplifier - 1200 Watts, Full Range, 2-4 Ohm Stable, Mosfet Power Supply, Bridgeable : Electronics
![Amazon.com: BOSS Audio Systems Elite BE2500.1 Monoblock Car Amplifier - 2500 Watts, 2 4 Ohm Stable, Class AB, Mosfet Power Supply, Great For Subwoofers : Everything Else Amazon.com: BOSS Audio Systems Elite BE2500.1 Monoblock Car Amplifier - 2500 Watts, 2 4 Ohm Stable, Class AB, Mosfet Power Supply, Great For Subwoofers : Everything Else](https://m.media-amazon.com/images/I/91mOzsqeOcL._AC_UF894,1000_QL80_.jpg)
Amazon.com: BOSS Audio Systems Elite BE2500.1 Monoblock Car Amplifier - 2500 Watts, 2 4 Ohm Stable, Class AB, Mosfet Power Supply, Great For Subwoofers : Everything Else
![Amazon.com: PyleUsa Wireless Bluetooth Home Stereo Amplifier - Multi-Channel 200 Watt Power Amplifier Home Audio Receiver System w/HDMI, Optical/Phono/Coaxial,FM Radio,USB/SD, AUX, RCA, Mic in Remote PDA9HBU.6 : Electronics Amazon.com: PyleUsa Wireless Bluetooth Home Stereo Amplifier - Multi-Channel 200 Watt Power Amplifier Home Audio Receiver System w/HDMI, Optical/Phono/Coaxial,FM Radio,USB/SD, AUX, RCA, Mic in Remote PDA9HBU.6 : Electronics](https://m.media-amazon.com/images/I/81pKZ+DeGGS._AC_UF894,1000_QL80_.jpg)
Amazon.com: PyleUsa Wireless Bluetooth Home Stereo Amplifier - Multi-Channel 200 Watt Power Amplifier Home Audio Receiver System w/HDMI, Optical/Phono/Coaxial,FM Radio,USB/SD, AUX, RCA, Mic in Remote PDA9HBU.6 : Electronics
![Amazon.com: Pyle Wireless Bluetooth Home Stereo Amplifier-Multi-Channel 200 Watt Power Amplifier Home Audio Receiver System W/Optical/Phono/Coaxial, FM Radio, USB/SD, AUX, RCA, Mic in-Antenna, Remote-Pyle PDA4BU : Electronics Amazon.com: Pyle Wireless Bluetooth Home Stereo Amplifier-Multi-Channel 200 Watt Power Amplifier Home Audio Receiver System W/Optical/Phono/Coaxial, FM Radio, USB/SD, AUX, RCA, Mic in-Antenna, Remote-Pyle PDA4BU : Electronics](https://m.media-amazon.com/images/I/71iQKLKyDgS._AC_UF1000,1000_QL80_.jpg)
Amazon.com: Pyle Wireless Bluetooth Home Stereo Amplifier-Multi-Channel 200 Watt Power Amplifier Home Audio Receiver System W/Optical/Phono/Coaxial, FM Radio, USB/SD, AUX, RCA, Mic in-Antenna, Remote-Pyle PDA4BU : Electronics
![Amazon.com: Sound Town 4-Channel 4 X 750W at 4-ohm, 6000W Peak Output Professional Power Amplifier (NIX-6000X4) : Musical Instruments Amazon.com: Sound Town 4-Channel 4 X 750W at 4-ohm, 6000W Peak Output Professional Power Amplifier (NIX-6000X4) : Musical Instruments](https://m.media-amazon.com/images/I/617GfD3WsXS._AC_UF894,1000_QL80_.jpg)
Amazon.com: Sound Town 4-Channel 4 X 750W at 4-ohm, 6000W Peak Output Professional Power Amplifier (NIX-6000X4) : Musical Instruments
![Amazon.com: 4 Channel Bluetooth Amplifier, 50W x 4 Audio Power Amp, Hi-Fi Home Stereo Speaker Receiver [Douk Audio M4] : Electronics Amazon.com: 4 Channel Bluetooth Amplifier, 50W x 4 Audio Power Amp, Hi-Fi Home Stereo Speaker Receiver [Douk Audio M4] : Electronics](https://m.media-amazon.com/images/I/61NlTG65g3L._AC_UF894,1000_QL80_.jpg)
Amazon.com: 4 Channel Bluetooth Amplifier, 50W x 4 Audio Power Amp, Hi-Fi Home Stereo Speaker Receiver [Douk Audio M4] : Electronics
![Amazon.com: Donner Bluetooth 5.0 Stereo Audio Amplifier Receiver, 4 Channel, 440W Peak Power Home Theater Stereo Receiver USB, SD,FM, 2 Mic in Echo, RCA, LED, Speaker Selector for Studio, Home-MAMP5 : Electronics Amazon.com: Donner Bluetooth 5.0 Stereo Audio Amplifier Receiver, 4 Channel, 440W Peak Power Home Theater Stereo Receiver USB, SD,FM, 2 Mic in Echo, RCA, LED, Speaker Selector for Studio, Home-MAMP5 : Electronics](https://m.media-amazon.com/images/I/71Wtytu2k5S._AC_UF894,1000_QL80_.jpg)