![Amazon.com: Pyle 4 Multi-Zone Stereo Amplifier - 19” Rack Mount, Powerful 8000 Watts with Speaker Selector Volume Control & LED Audio Level Display - 4-Ch. Bridgeable Switches - Pyle PT8000CH : Electronics Amazon.com: Pyle 4 Multi-Zone Stereo Amplifier - 19” Rack Mount, Powerful 8000 Watts with Speaker Selector Volume Control & LED Audio Level Display - 4-Ch. Bridgeable Switches - Pyle PT8000CH : Electronics](https://m.media-amazon.com/images/I/81RzwlXlgGL.jpg)
Amazon.com: Pyle 4 Multi-Zone Stereo Amplifier - 19” Rack Mount, Powerful 8000 Watts with Speaker Selector Volume Control & LED Audio Level Display - 4-Ch. Bridgeable Switches - Pyle PT8000CH : Electronics
![Amazon.com: Bolanle PH400 Headphone Amplifier 4 Channel for DC 5V 3A Power, 8 Headphone Output Port, Headphone Amps with Mute and Stereo for Studio and Stage : Electronics Amazon.com: Bolanle PH400 Headphone Amplifier 4 Channel for DC 5V 3A Power, 8 Headphone Output Port, Headphone Amps with Mute and Stereo for Studio and Stage : Electronics](https://m.media-amazon.com/images/I/61icVeN4MGL._AC_UF894,1000_QL80_.jpg)
Amazon.com: Bolanle PH400 Headphone Amplifier 4 Channel for DC 5V 3A Power, 8 Headphone Output Port, Headphone Amps with Mute and Stereo for Studio and Stage : 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/61DS-xD67HL._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: BTER Headphone Amplifier, Professional 4‑Channel Mono/Stereo Audio Amplifier, Portable Headphone Splitter with 1/4" & 1/8" TRS Headphones Output and 1/4" & 1/8" RCA/TRS Audio Input(#2) : Electronics Amazon.com: BTER Headphone Amplifier, Professional 4‑Channel Mono/Stereo Audio Amplifier, Portable Headphone Splitter with 1/4" & 1/8" TRS Headphones Output and 1/4" & 1/8" RCA/TRS Audio Input(#2) : Electronics](https://m.media-amazon.com/images/I/612mANVCRBS._AC_UF894,1000_QL80_.jpg)
Amazon.com: BTER Headphone Amplifier, Professional 4‑Channel Mono/Stereo Audio Amplifier, Portable Headphone Splitter with 1/4" & 1/8" TRS Headphones Output and 1/4" & 1/8" RCA/TRS Audio Input(#2) : Electronics
![Amazon.com: Board Mono Audio Power Amplifier Powerful Subwoofers Amp for Car Modification 12V 1000W : Electronics Amazon.com: Board Mono Audio Power Amplifier Powerful Subwoofers Amp for Car Modification 12V 1000W : Electronics](https://m.media-amazon.com/images/I/61ttWUpqufL._AC_UF1000,1000_QL80_.jpg)
Amazon.com: Board Mono Audio Power Amplifier Powerful Subwoofers Amp for Car Modification 12V 1000W : Electronics
![Amazon.com: HiFi 1500W Powerful Assembled Mono Amplifier Board Single Channel Amp Board : Electronics Amazon.com: HiFi 1500W Powerful Assembled Mono Amplifier Board Single Channel Amp Board : Electronics](https://m.media-amazon.com/images/I/61yHA+CmxIL._AC_UF1000,1000_QL80_.jpg)
Amazon.com: HiFi 1500W Powerful Assembled Mono Amplifier Board Single Channel Amp Board : Electronics
![Amazon.com: Fosi Audio M04 Subwoofer Amplifier for Home Theater Mono Channel Digital Class D Integrated Power Amp for Passive Speakers Subwoofer Rated 100W MAX : Electronics Amazon.com: Fosi Audio M04 Subwoofer Amplifier for Home Theater Mono Channel Digital Class D Integrated Power Amp for Passive Speakers Subwoofer Rated 100W MAX : Electronics](https://m.media-amazon.com/images/S/aplus-media-library-service-media/389392d3-9bb1-45cf-8518-3469c50e45bb.__CR0,0,600,450_PT0_SX600_V1___.jpg)
Amazon.com: Fosi Audio M04 Subwoofer Amplifier for Home Theater Mono Channel Digital Class D Integrated Power Amp for Passive Speakers Subwoofer Rated 100W MAX : Electronics
![Amazon.com: HiLetgo 2pcs TDA8932 35W Mono Digital Amplifier Board Low Power Consumption Stereo Amplifier : Electronics Amazon.com: HiLetgo 2pcs TDA8932 35W Mono Digital Amplifier Board Low Power Consumption Stereo Amplifier : Electronics](https://m.media-amazon.com/images/I/616K3Y+3TdL._AC_UF894,1000_QL80_.jpg)
Amazon.com: HiLetgo 2pcs TDA8932 35W Mono Digital Amplifier Board Low Power Consumption Stereo Amplifier : Electronics
![Amazon.com: AIYIMA A3001 Mini Stereo Amp 200W Subwoofer Amplifier Class D Mono Amp with Full-Frequency & Sub Bass Home Audio Speaker amp : Electronics Amazon.com: AIYIMA A3001 Mini Stereo Amp 200W Subwoofer Amplifier Class D Mono Amp with Full-Frequency & Sub Bass Home Audio Speaker amp : Electronics](https://m.media-amazon.com/images/I/61A1+YrULYL._AC_UF1000,1000_QL80_.jpg)
Amazon.com: AIYIMA A3001 Mini Stereo Amp 200W Subwoofer Amplifier Class D Mono Amp with Full-Frequency & Sub Bass Home Audio Speaker amp : Electronics
![Amazon.com: Fosi Audio M04 Subwoofer Amplifier for Home Theater Mono Channel Digital Class D Integrated Power Amp for Passive Speakers Subwoofer Rated 100W MAX : Electronics Amazon.com: Fosi Audio M04 Subwoofer Amplifier for Home Theater Mono Channel Digital Class D Integrated Power Amp for Passive Speakers Subwoofer Rated 100W MAX : Electronics](https://m.media-amazon.com/images/I/51YoAwJi6bL._AC_UF894,1000_QL80_.jpg)
Amazon.com: Fosi Audio M04 Subwoofer Amplifier for Home Theater Mono Channel Digital Class D Integrated Power Amp for Passive Speakers Subwoofer Rated 100W MAX : Electronics
![Amazon.com: 500W Power Amplifier Board Mono Channel Digital Amplifier Board HiFi Power Amp Module IRS2092S : Electronics Amazon.com: 500W Power Amplifier Board Mono Channel Digital Amplifier Board HiFi Power Amp Module IRS2092S : Electronics](https://m.media-amazon.com/images/I/61eEIH7FPFL._AC_UF1000,1000_QL80_.jpg)
Amazon.com: 500W Power Amplifier Board Mono Channel Digital Amplifier Board HiFi Power Amp Module IRS2092S : Electronics
![Amazon.com: YGiTK Headphone Amplifier,4 Channels Mono/Stereo Metal Stereo Audio Amplifier Mini Earphone Splitter with Power Adapter 1/4" & 1/8" TRS Headphones Output and Input & AV Audio Input for Sound Mixer : Amazon.com: YGiTK Headphone Amplifier,4 Channels Mono/Stereo Metal Stereo Audio Amplifier Mini Earphone Splitter with Power Adapter 1/4" & 1/8" TRS Headphones Output and Input & AV Audio Input for Sound Mixer :](https://m.media-amazon.com/images/I/61bUvBh8CYL._AC_UF894,1000_QL80_.jpg)
Amazon.com: YGiTK Headphone Amplifier,4 Channels Mono/Stereo Metal Stereo Audio Amplifier Mini Earphone Splitter with Power Adapter 1/4" & 1/8" TRS Headphones Output and Input & AV Audio Input for Sound Mixer :
![Amazon.com: Nobsound 100W Full Frequency Mono Channel Digital Power Amplifier Audio Mini Amp (Black) : Electronics Amazon.com: Nobsound 100W Full Frequency Mono Channel Digital Power Amplifier Audio Mini Amp (Black) : Electronics](https://m.media-amazon.com/images/I/61NShTkDNRL._AC_UF894,1000_QL80_.jpg)
Amazon.com: Nobsound 100W Full Frequency Mono Channel Digital Power Amplifier Audio Mini Amp (Black) : Electronics
![Amazon.com: Harmony Audio HA-A400.1 Car Stereo Class D Amp Mono Subwoofer Amplifier Bundle with Harmony Audio HA-AK4 Amp Kit and Ring/Battery Terminals : Electronics Amazon.com: Harmony Audio HA-A400.1 Car Stereo Class D Amp Mono Subwoofer Amplifier Bundle with Harmony Audio HA-AK4 Amp Kit and Ring/Battery Terminals : Electronics](https://m.media-amazon.com/images/I/71DkHYZxIRL._AC_UF894,1000_QL80_.jpg)
Amazon.com: Harmony Audio HA-A400.1 Car Stereo Class D Amp Mono Subwoofer Amplifier Bundle with Harmony Audio HA-AK4 Amp Kit and Ring/Battery Terminals : Electronics
![Amazon.com: Fosi Audio M03 Subwoofer Amplifier 200 Watt Mini Mono Audio Amp and P1 Tube Pre-Amplifier : Electronics Amazon.com: Fosi Audio M03 Subwoofer Amplifier 200 Watt Mini Mono Audio Amp and P1 Tube Pre-Amplifier : Electronics](https://m.media-amazon.com/images/I/618-wYJUyVL._AC_UF894,1000_QL80_.jpg)
Amazon.com: Fosi Audio M03 Subwoofer Amplifier 200 Watt Mini Mono Audio Amp and P1 Tube Pre-Amplifier : Electronics
![Amazon.com: Fosi Audio M03 Subwoofer Amplifier 200 Watt Mini Mono Audio Amp and Box X1 Phono Preamp for MM Turntable : Electronics Amazon.com: Fosi Audio M03 Subwoofer Amplifier 200 Watt Mini Mono Audio Amp and Box X1 Phono Preamp for MM Turntable : Electronics](https://m.media-amazon.com/images/I/71tn61sV+zL._AC_UF894,1000_QL80_.jpg)
Amazon.com: Fosi Audio M03 Subwoofer Amplifier 200 Watt Mini Mono Audio Amp and Box X1 Phono Preamp for MM Turntable : Electronics
![Amazon.com: Nobsound G2 PRO TPA3255 Hi-Fi 300W Subwoofer Power Amplifier Mono Channel Class D SUB Audio Amp : Electronics Amazon.com: Nobsound G2 PRO TPA3255 Hi-Fi 300W Subwoofer Power Amplifier Mono Channel Class D SUB Audio Amp : Electronics](https://m.media-amazon.com/images/I/31+FtItp21L._AC_.jpg)
Amazon.com: Nobsound G2 PRO TPA3255 Hi-Fi 300W Subwoofer Power Amplifier Mono Channel Class D SUB Audio Amp : Electronics
![Amazon.com: Fosi Audio M04 Subwoofer Amplifier for Home Theater Mono Channel Digital Class D Integrated Power Amp for Passive Speakers Subwoofer Rated 100W MAX : Electronics Amazon.com: Fosi Audio M04 Subwoofer Amplifier for Home Theater Mono Channel Digital Class D Integrated Power Amp for Passive Speakers Subwoofer Rated 100W MAX : Electronics](https://m.media-amazon.com/images/I/61dbQWEcYbL._AC_UF350,350_QL80_.jpg)
Amazon.com: Fosi Audio M04 Subwoofer Amplifier for Home Theater Mono Channel Digital Class D Integrated Power Amp for Passive Speakers Subwoofer Rated 100W MAX : Electronics
![Amazon.com: D'Amore Engineering - Mono Subwoofer Amplifier with Remote Control Included (E750.1), 750 Watt Amp Car Audio with 1 Ohm Stable, Clean D Amplifier Technology & MOSFET Power Supply : Electronics Amazon.com: D'Amore Engineering - Mono Subwoofer Amplifier with Remote Control Included (E750.1), 750 Watt Amp Car Audio with 1 Ohm Stable, Clean D Amplifier Technology & MOSFET Power Supply : Electronics](https://m.media-amazon.com/images/I/71eT4wEhadL._AC_UF894,1000_QL80_.jpg)
Amazon.com: D'Amore Engineering - Mono Subwoofer Amplifier with Remote Control Included (E750.1), 750 Watt Amp Car Audio with 1 Ohm Stable, Clean D Amplifier Technology & MOSFET Power Supply : Electronics
![Amazon.com: Harmony Audio HA-A800.1 Car Stereo Class D Amp Mono 1600 Watt Subwoofer Amplifier - 1 Ohm Stable - Includes Bass Remote : Electronics Amazon.com: Harmony Audio HA-A800.1 Car Stereo Class D Amp Mono 1600 Watt Subwoofer Amplifier - 1 Ohm Stable - Includes Bass Remote : Electronics](https://m.media-amazon.com/images/I/61cd+jQrcrL._AC_UF1000,1000_QL80_.jpg)
Amazon.com: Harmony Audio HA-A800.1 Car Stereo Class D Amp Mono 1600 Watt Subwoofer Amplifier - 1 Ohm Stable - Includes Bass Remote : Electronics
![Amazon.com: HECCI Z1 Portable Personal in-Ear Monitor Amplifier EIMs Headphone Stereo Earphone Amp Volume Control with XLR and TRS and Stereo/ Mono Switch Solution for Musicians : Musical Instruments Amazon.com: HECCI Z1 Portable Personal in-Ear Monitor Amplifier EIMs Headphone Stereo Earphone Amp Volume Control with XLR and TRS and Stereo/ Mono Switch Solution for Musicians : Musical Instruments](https://m.media-amazon.com/images/I/71qsCqvLROL._AC_UF894,1000_QL80_.jpg)
Amazon.com: HECCI Z1 Portable Personal in-Ear Monitor Amplifier EIMs Headphone Stereo Earphone Amp Volume Control with XLR and TRS and Stereo/ Mono Switch Solution for Musicians : Musical Instruments
![Amazon.com: Nobsound 100W Full Frequency Mono Channel Digital Power Amplifier Audio Mini Amp (Black) : Electronics Amazon.com: Nobsound 100W Full Frequency Mono Channel Digital Power Amplifier Audio Mini Amp (Black) : Electronics](https://m.media-amazon.com/images/I/61NShTkDNRL.jpg)
Amazon.com: Nobsound 100W Full Frequency Mono Channel Digital Power Amplifier Audio Mini Amp (Black) : Electronics
![Amazon.com: Bluetooth-Compatible Amplifier Board, PEMENOL TWS DC 7-24V 100W Mono Audio Power Amplifier Module with Box Matching Function Support AUX/Bluetooth-Compatible/USB for DIY Electronic Kit Car Store Home : Electronics Amazon.com: Bluetooth-Compatible Amplifier Board, PEMENOL TWS DC 7-24V 100W Mono Audio Power Amplifier Module with Box Matching Function Support AUX/Bluetooth-Compatible/USB for DIY Electronic Kit Car Store Home : Electronics](https://m.media-amazon.com/images/I/61vAEx2JvYL.jpg)
Amazon.com: Bluetooth-Compatible Amplifier Board, PEMENOL TWS DC 7-24V 100W Mono Audio Power Amplifier Module with Box Matching Function Support AUX/Bluetooth-Compatible/USB for DIY Electronic Kit Car Store Home : Electronics
![Amazon.com: Nobsound G2 PRO TPA3255 Hi-Fi 300W Subwoofer Power Amplifier Mono Channel Class D SUB Audio Amp : Electronics Amazon.com: Nobsound G2 PRO TPA3255 Hi-Fi 300W Subwoofer Power Amplifier Mono Channel Class D SUB Audio Amp : Electronics](https://m.media-amazon.com/images/I/61ndrNsiHUL.jpg)
Amazon.com: Nobsound G2 PRO TPA3255 Hi-Fi 300W Subwoofer Power Amplifier Mono Channel Class D SUB Audio Amp : Electronics
![Amazon.com: Stereo Monitor Headphone Amplifier, Professional High Power Compact Monitor Amplifier for Instrument Performance Live Monitoring : Musical Instruments Amazon.com: Stereo Monitor Headphone Amplifier, Professional High Power Compact Monitor Amplifier for Instrument Performance Live Monitoring : Musical Instruments](https://m.media-amazon.com/images/I/61l6Cw+gGXL._AC_UF894,1000_QL80_.jpg)
Amazon.com: Stereo Monitor Headphone Amplifier, Professional High Power Compact Monitor Amplifier for Instrument Performance Live Monitoring : Musical Instruments
![Amazon.com: YLTPAJK 1 Pcs TPA3255 Power Amplifier Board Mono HiFi 600W Digital Power Audio Amplifier Board Digital Power Audio Amplifier Board : Electronics Amazon.com: YLTPAJK 1 Pcs TPA3255 Power Amplifier Board Mono HiFi 600W Digital Power Audio Amplifier Board Digital Power Audio Amplifier Board : Electronics](https://m.media-amazon.com/images/I/71tKFZ7LLrL._AC_UF894,1000_QL80_.jpg)
Amazon.com: YLTPAJK 1 Pcs TPA3255 Power Amplifier Board Mono HiFi 600W Digital Power Audio Amplifier Board Digital Power Audio Amplifier Board : Electronics
![Amazon.com: Pyle Home Compact Public Address Mono Amplifier - Professional 50W Mini Home Power Audio Sound PA Speaker Receiver System w/ RCA, Headphone, 2 Microphone Inputs, Independent Volume Control - PT110 : Electronics Amazon.com: Pyle Home Compact Public Address Mono Amplifier - Professional 50W Mini Home Power Audio Sound PA Speaker Receiver System w/ RCA, Headphone, 2 Microphone Inputs, Independent Volume Control - PT110 : Electronics](https://m.media-amazon.com/images/I/51kc5NYV6LL._AC_UF894,1000_QL80_.jpg)