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Amazon.com: S.M.S.L AD18 HiFi Audio Stereo Amplifier with Bluetooth 4.2 Supports Apt-X,USB DSP Full Digital Power Amplifier 2.1 for Speaker,Small 80Wx2 Class D Amplifier with Subwoofer Output : Electronics
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Amazon.com: Fosi Audio BT30D Bluetooth 5.0 Stereo Audio Receiver Amplifier 2.1 Channel Mini Hi-Fi Class D Integrated Amp 50 Watt x2+100 Watt for Home Outdoor Passive Speakers/Subwoofer Powered Subwoofer : Electronics
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Amazon.com: XY-S100H 2.1 Channel Bluetooth Power Amplifier Board with APP Control, TPA3116 Chip 50W×2+100W, 12V-24V Audio Power Amplifier Module, Support Setting Bluetooth Name and Password : Electronics
Amazon.com: Fosi Audio BT30D-S Bluetooth 5.0 Stereo Audio Receiver Amplifier 2.1 Channel Mini Hi-Fi Class D Integrated Amp 50 Watt x2+100 Watt for Home Outdoor Passive Speakers/Subwoofer Powered Subwoofer : Electronics
Amazon.com: Fosi Audio M03 200 Watt TPA3255 Subwoofer Amplifier Mini Mono Channel Audio Power Amp for Home Theater Full-Frequency and SUB Bass Switchable with 32V/5A Power Supply : Electronics
Amazon.com: DROK 50W*2+100W Amplifier, Blue-Tooth 2.1 Channels HiFi Power Amplifier Board for 2-8Ω 200W Subwoofer Bass Speakers with 3.5mm Port Capable for USB Sound Card : Electronics
Amazon.com: 60W DC10-24V TPA3118 Subwoofer Amplifier Board, Mini Digital Audio Power Amplifier Module, Mono Channel Stereo Audio Amplifier Board : Electronics
Amazon.com: Sound Storm Laboratories US10K 10 Inch Under Seat Powered Car Audio Subwoofer - 1000 Watts Max, Low Profile, Built in Amplifier, for Truck, Boxes and Enclosures, Remote Subwoofer Control : Electronics
Amazon.com: PIONEER TS-WX130EA Pre-Amplified Active Subwoofer, 160 W : Electronics
Amazon.com: ALPINE S-A60M 600 Watt RMS Mono Car Audio Amplifier Subwoofer Class-D+Bass Knob : Electronics
Amazon.com: DAMGOO 50W+50W+100W 2.1 Channel Subwoofer Amplifier Board with Treble and Bass Control, Dual TPA3116 Chip, DC 12-24V, Bluetooth and AUX Inputs, DIY Wireless Speakers AMP Board, Password Free : Electronics
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Amazon.com: TDA7498E Bluetooth Power Amplifier Board with Subwoofer 2.1 Channel 160W×2+220W, 15V-36V Audio Power Amplifier Module with Treble and Bass Control,Black : Electronics
Amazon.com: Facmogu ST-838 2.1CH Subwoofer Amplifier Audio Stereo Bass Amp, RMS 20Wx2+40W Class D Amplifier with Subwoofer Output, 80W Mini Sub Bass Amp Digital Power Amplifier with Power Supply - Black :
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Amazon.com: Sound Storm Labs EV4.1000 Evolution 1000 Watt 4 Channel 2 to 8 Ohm Stable Class A B Full Range Bridgeable Mosfet Car Amplifier with Remote Subwoofer Control : Electronics
Amazon.com: Diitao 50W×2+100W Bluetooth Power Amplifier Board with Subwoofer 2.1 Channel, 12V-24V Audio Power Amplifier Module with Treble and Bass Control for DIY Bluetooth Audio ZK-MT21, Blac : Electronics
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Amazon.com: Sound Storm Laboratories US8 8 Inch Under Seat Powered Car Audio Subwoofer - 800 Watts Max, Low Profile, Built in Amplifier, for Truck, Boxes and Enclosures, Remote Subwoofer Control : Electronics
