![Amazon.com: Tihebeyan 3-Way Crossover Filter Audio Frequency Divider Hi-Fi Audio Filter Module Board for High Power Speaker : Electronics Amazon.com: Tihebeyan 3-Way Crossover Filter Audio Frequency Divider Hi-Fi Audio Filter Module Board for High Power Speaker : Electronics](https://m.media-amazon.com/images/I/613B77ONp4L._AC_UF894,1000_QL80_.jpg)
Amazon.com: Tihebeyan 3-Way Crossover Filter Audio Frequency Divider Hi-Fi Audio Filter Module Board for High Power Speaker : Electronics
![Amazon.com: 320W Power Amplifier Board with Subwoofer 2.0 Channel 160W×2, 15V-36V Audio Power Amplifier Module with Treble and Bass Control,Black : Electronics Amazon.com: 320W Power Amplifier Board with Subwoofer 2.0 Channel 160W×2, 15V-36V Audio Power Amplifier Module with Treble and Bass Control,Black : Electronics](https://m.media-amazon.com/images/W/IMAGERENDERING_521856-T1/images/I/71w0jjzlzUL._AC_UF1000,1000_QL80_.jpg)
Amazon.com: 320W Power Amplifier Board with Subwoofer 2.0 Channel 160W×2, 15V-36V Audio Power Amplifier Module with Treble and Bass Control,Black : Electronics
![Amazon.com: TPA3116D2 2.1 HiFi Digital Subwoofer Amplifier Board 50W+50W+100W Beyond LM1875 : Electronics Amazon.com: TPA3116D2 2.1 HiFi Digital Subwoofer Amplifier Board 50W+50W+100W Beyond LM1875 : Electronics](https://m.media-amazon.com/images/W/IMAGERENDERING_521856-T1/images/I/81aKF3bxT+L.jpg)
Amazon.com: TPA3116D2 2.1 HiFi Digital Subwoofer Amplifier Board 50W+50W+100W Beyond LM1875 : Electronics
![Amazon.com: Gfhrisyty 1Pc 350W 3 Ways Crossover Audio Board Tweeter+Mediant+Bass Frequency Divider for 4-8Ohm DIY Ktv Stage Speaker Filter : Electronics Amazon.com: Gfhrisyty 1Pc 350W 3 Ways Crossover Audio Board Tweeter+Mediant+Bass Frequency Divider for 4-8Ohm DIY Ktv Stage Speaker Filter : Electronics](https://m.media-amazon.com/images/W/IMAGERENDERING_521856-T1/images/I/81sKTYk9FWL._AC_UF894,1000_QL80_.jpg)
Amazon.com: Gfhrisyty 1Pc 350W 3 Ways Crossover Audio Board Tweeter+Mediant+Bass Frequency Divider for 4-8Ohm DIY Ktv Stage Speaker Filter : Electronics
![Amazon.com: MakerHawk Bluetooth Amplifier Board HiFi Stereo 2.1 TPA3116D2 2X50W+100W 12V-24V Audio Power Amplifier Module Bass and Treble Control for Store Home Theater Speakers : Electronics Amazon.com: MakerHawk Bluetooth Amplifier Board HiFi Stereo 2.1 TPA3116D2 2X50W+100W 12V-24V Audio Power Amplifier Module Bass and Treble Control for Store Home Theater Speakers : Electronics](https://m.media-amazon.com/images/I/61wtFIUU01L._AC_UF894,1000_QL80_.jpg)
Amazon.com: MakerHawk Bluetooth Amplifier Board HiFi Stereo 2.1 TPA3116D2 2X50W+100W 12V-24V Audio Power Amplifier Module Bass and Treble Control for Store Home Theater Speakers : Electronics
![Amazon.com: Audio Amplifier Board, Ultra High Power Digital Power Amplifier Board Dual Channel Audio Amplifier HiFi 210Wx2 : Electronics Amazon.com: Audio Amplifier Board, Ultra High Power Digital Power Amplifier Board Dual Channel Audio Amplifier HiFi 210Wx2 : Electronics](https://m.media-amazon.com/images/W/IMAGERENDERING_521856-T1/images/I/61v+Uzm2bWL._AC_UF1000,1000_QL80_.jpg)
Amazon.com: Audio Amplifier Board, Ultra High Power Digital Power Amplifier Board Dual Channel Audio Amplifier HiFi 210Wx2 : Electronics
![Amazon.com: ZK-AS21 220W*2+350W 2.1 Bluetooth Power Amplifier Board with TPA3255 Chip, 18V-36V Bluetooth Speaker Audio Amplifier Module : Electronics Amazon.com: ZK-AS21 220W*2+350W 2.1 Bluetooth Power Amplifier Board with TPA3255 Chip, 18V-36V Bluetooth Speaker Audio Amplifier Module : Electronics](https://m.media-amazon.com/images/I/71DjhUPU93L._AC_UF1000,1000_QL80_.jpg)
Amazon.com: ZK-AS21 220W*2+350W 2.1 Bluetooth Power Amplifier Board with TPA3255 Chip, 18V-36V Bluetooth Speaker Audio Amplifier Module : Electronics
![Amazon.com: Top-cofrLD 2 Dual Channel 2.0 15W+15W TDA2030A HiFi Stereo Audio Power Amplifier AMP Board DIY Kit : Electronics Amazon.com: Top-cofrLD 2 Dual Channel 2.0 15W+15W TDA2030A HiFi Stereo Audio Power Amplifier AMP Board DIY Kit : Electronics](https://m.media-amazon.com/images/I/61Tc942z9uL._AC_UF894,1000_QL80_.jpg)
Amazon.com: Top-cofrLD 2 Dual Channel 2.0 15W+15W TDA2030A HiFi Stereo Audio Power Amplifier AMP Board DIY Kit : Electronics
![Amazon.com: Kinboofi KBEAR KS2 in Ear Earphone, 1BA 1DD Stereo IEM, HiFi Noise Cancelling Sport Hybrid Headphones with PCB Frequency Board, 2 PIN Detachable Cable, for Audiophile (with Mic, Black) : Electronics Amazon.com: Kinboofi KBEAR KS2 in Ear Earphone, 1BA 1DD Stereo IEM, HiFi Noise Cancelling Sport Hybrid Headphones with PCB Frequency Board, 2 PIN Detachable Cable, for Audiophile (with Mic, Black) : Electronics](https://m.media-amazon.com/images/W/IMAGERENDERING_521856-T1/images/I/51Cy9bPVgfL._AC_UF894,1000_QL80_.jpg)
Amazon.com: Kinboofi KBEAR KS2 in Ear Earphone, 1BA 1DD Stereo IEM, HiFi Noise Cancelling Sport Hybrid Headphones with PCB Frequency Board, 2 PIN Detachable Cable, for Audiophile (with Mic, Black) : Electronics
![Amazon.com: AMP Board, Audio Amplifier Audio Amplifier Board Digital Power Amplifier Board HIFI Class D 500W High Performance Audio Parts IRS2092S Digital Amplifier Board(500W) : Electronics Amazon.com: AMP Board, Audio Amplifier Audio Amplifier Board Digital Power Amplifier Board HIFI Class D 500W High Performance Audio Parts IRS2092S Digital Amplifier Board(500W) : Electronics](https://m.media-amazon.com/images/I/61yE3bFfpvL._AC_UF894,1000_QL80_.jpg)
Amazon.com: AMP Board, Audio Amplifier Audio Amplifier Board Digital Power Amplifier Board HIFI Class D 500W High Performance Audio Parts IRS2092S Digital Amplifier Board(500W) : 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/512ZFkZJwDL.jpg)
Amazon.com: HiFi 1500W Powerful Assembled Mono Amplifier Board Single Channel Amp Board : Electronics
![Amazon.com: Zerone Amplifier Board, 2 Channels Amplification Preamp Board Upgraded HiFi Sound Mixer Board Amplifier for Desktop Sound Speaker : Electronics Amazon.com: Zerone Amplifier Board, 2 Channels Amplification Preamp Board Upgraded HiFi Sound Mixer Board Amplifier for Desktop Sound Speaker : Electronics](https://m.media-amazon.com/images/I/61iBiWj4N5L._AC_UF894,1000_QL80_.jpg)
Amazon.com: Zerone Amplifier Board, 2 Channels Amplification Preamp Board Upgraded HiFi Sound Mixer Board Amplifier for Desktop Sound Speaker : Electronics
![Amazon.com: Oumefar 160W+160W Digital Audio Power Amplifier Board Two-Channel Stereo Intelligent Power Amplifier Board HiFi for Home Theater : Electronics Amazon.com: Oumefar 160W+160W Digital Audio Power Amplifier Board Two-Channel Stereo Intelligent Power Amplifier Board HiFi for Home Theater : Electronics](https://m.media-amazon.com/images/I/71l8lUm+weL._AC_UF1000,1000_QL80_.jpg)
Amazon.com: Oumefar 160W+160W Digital Audio Power Amplifier Board Two-Channel Stereo Intelligent Power Amplifier Board HiFi for Home Theater : Electronics
![TPA3255 300W+150W+150W class D Digital 2.1 power amplifier board HIFI DC30V-48V : Musical Instruments - Amazon.com TPA3255 300W+150W+150W class D Digital 2.1 power amplifier board HIFI DC30V-48V : Musical Instruments - Amazon.com](https://m.media-amazon.com/images/I/71CC1w7H0vL._AC_UF1000,1000_QL80_.jpg)
TPA3255 300W+150W+150W class D Digital 2.1 power amplifier board HIFI DC30V-48V : Musical Instruments - Amazon.com
![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/W/IMAGERENDERING_521856-T1/images/I/71W3izXGblL.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: Comimark 1Pcs HiFi NE5532 OP-AMP Preamplifier Amplifier Volume EQ Tone Control Board : Electronics Amazon.com: Comimark 1Pcs HiFi NE5532 OP-AMP Preamplifier Amplifier Volume EQ Tone Control Board : Electronics](https://m.media-amazon.com/images/I/612v8XZ6jUL._AC_UF894,1000_QL80_.jpg)
Amazon.com: Comimark 1Pcs HiFi NE5532 OP-AMP Preamplifier Amplifier Volume EQ Tone Control Board : Electronics
![Amazon.com: Tone Board Class A HiFi Preamp Audio Board Volume Bass Midrange Treble Control with 4 Knobs : Electronics Amazon.com: Tone Board Class A HiFi Preamp Audio Board Volume Bass Midrange Treble Control with 4 Knobs : Electronics](https://m.media-amazon.com/images/I/71rdSbS6tML._AC_UF894,1000_QL80_.jpg)
Amazon.com: Tone Board Class A HiFi Preamp Audio Board Volume Bass Midrange Treble Control with 4 Knobs : Electronics
![Amazon.com: DAMGOO BT 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 BT 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/81ItdnKfCLL._AC_UF1000,1000_QL80_.jpg)
Amazon.com: DAMGOO BT 5.0 Amplifier Board,100w Audio Amp Board Dual Channel DC8-24V,Easy Installation and Password Free Connect to Phone Quietly : Electronics
![Amazon.com: TPA6120 Headphone Amplifier Board HiFi TPA6120A2 Enthusiast Headphones AMP Amplificador Zero Noise DIY (TPA6120 Amp) : Electronics Amazon.com: TPA6120 Headphone Amplifier Board HiFi TPA6120A2 Enthusiast Headphones AMP Amplificador Zero Noise DIY (TPA6120 Amp) : Electronics](https://m.media-amazon.com/images/I/61DijErAa+L._AC_UF894,1000_QL80_.jpg)
Amazon.com: TPA6120 Headphone Amplifier Board HiFi TPA6120A2 Enthusiast Headphones AMP Amplificador Zero Noise DIY (TPA6120 Amp) : Electronics
![Amazon.com: Fafeicy Digital Audio Amplifier Board-4-channel Output Audio Stereo Power Amplifier Board 4 x 50W, IC Cooling System Temperature Control : Electronics Amazon.com: Fafeicy Digital Audio Amplifier Board-4-channel Output Audio Stereo Power Amplifier Board 4 x 50W, IC Cooling System Temperature Control : Electronics](https://m.media-amazon.com/images/I/71w5Y+yG7yL._AC_UF1000,1000_QL80_.jpg)
Amazon.com: Fafeicy Digital Audio Amplifier Board-4-channel Output Audio Stereo Power Amplifier Board 4 x 50W, IC Cooling System Temperature Control : Electronics
![Amazon.com: Bluetooth Amplifier Board 2.1 2X50W+100W 12V-24V Audio Power Amplifier Module Bass and Treble Control for Store Home Theater Speakers with Antenna : Electronics Amazon.com: Bluetooth Amplifier Board 2.1 2X50W+100W 12V-24V Audio Power Amplifier Module Bass and Treble Control for Store Home Theater Speakers with Antenna : Electronics](https://m.media-amazon.com/images/I/71szChdY-wL._AC_UF894,1000_QL80_.jpg)
Amazon.com: Bluetooth Amplifier Board 2.1 2X50W+100W 12V-24V Audio Power Amplifier Module Bass and Treble Control for Store Home Theater Speakers with Antenna : Electronics
![Amazon.com: Bluetooth Power Amplifier Board Stereo - HiFi 2.1 Channel 2X220W+350W Bluetooth 5.1 Audio Amplifier Board 12-38V Digital Power Amplifier Module Subwoofer Control with AUX/Bluetooth/USB Flash Drive : Electronics Amazon.com: Bluetooth Power Amplifier Board Stereo - HiFi 2.1 Channel 2X220W+350W Bluetooth 5.1 Audio Amplifier Board 12-38V Digital Power Amplifier Module Subwoofer Control with AUX/Bluetooth/USB Flash Drive : Electronics](https://m.media-amazon.com/images/I/71awZA+LKGL._AC_UF1000,1000_QL80_.jpg)
Amazon.com: Bluetooth Power Amplifier Board Stereo - HiFi 2.1 Channel 2X220W+350W Bluetooth 5.1 Audio Amplifier Board 12-38V Digital Power Amplifier Module Subwoofer Control with AUX/Bluetooth/USB Flash Drive : Electronics
![Amazon.com: Kadimendium Preamp Module Audio Preamplifier Board NE5532 Chip Accessory Part Amp Preamplifier Module Digital Amplifier Board for Replacement : Electronics Amazon.com: Kadimendium Preamp Module Audio Preamplifier Board NE5532 Chip Accessory Part Amp Preamplifier Module Digital Amplifier Board for Replacement : Electronics](https://m.media-amazon.com/images/I/71Q8yPV9kRL._AC_UF1000,1000_QL80_.jpg)
Amazon.com: Kadimendium Preamp Module Audio Preamplifier Board NE5532 Chip Accessory Part Amp Preamplifier Module Digital Amplifier Board for Replacement : Electronics
![Amazon.com: chengzui SanKen 1494/3858 High Power HiFi Audio Amplifier Board Dual Channel 450W+450W Stereo Amp Module Mono 800W High Power Amplifier Board for Sound System Speaker DIY : Electronics Amazon.com: chengzui SanKen 1494/3858 High Power HiFi Audio Amplifier Board Dual Channel 450W+450W Stereo Amp Module Mono 800W High Power Amplifier Board for Sound System Speaker DIY : Electronics](https://m.media-amazon.com/images/I/611fMxveTrS._AC_UF894,1000_QL80_.jpg)