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Mt21 2.1 Channel Bluetooth 5.0 Subwoofer Amplifier Board Bass Amp AuxPrice: 542.0

BlackSpider BSA20.4 20000W 4 Channel AmplifierPrice: 1299.0

ZK-MT21 bluetooth 5.0 Subwoofer Amplifier Board 50WX2+100W 2.1 Channel Power Audio Stereo Amplifier Price: 488.77

BlackSpider BSAT14.4 14000W 4 Channel AmplifierPrice: 1199.0

Targa TA-K14500.4 Killa Series 14500 90rms 4 Channel AmplifierPrice: 825.0

Tb21 2.1 Channel Bluetooth 5.0 Subwoofer Amplifier Board 50wx2+100wPrice: 605.0

ZK-MT21 50W x 2+100W 2.1 Channel Bluetooth Digital Amplifier ModulePrice: 445.0

TDA2030A 2.1 Stereo Audio Amplifier 3 Channel Subwoofer Amplifier BoardPrice: 424.0

Tda2030a 2.1 Subwoofer Amplifier Board Three-channel Speaker AudioPrice: 351.0

Targa TG-H19500.4 Hitman Series 19500w 100rms x 4channel AmplifierPrice: 1049.0

ZK-MT21 50W x 2+100W 2.1 Channel Bluetooth Digital Amplifier ModulePrice: 374.85

ZK-MT21 50W x 2+100W 2.1 Channel Bluetooth Digital Amplifier Module, ZK-MT21Price: 438.7

Amplifier Speaker Protection Circuit Board 2.0 Dual Channel /2.1 Three-c... (TYPE: 2.1THREECHANNELS)Price: 419.0

Integrated Potentiometer - Sinilink Audio XY-HT21MAX Bluetooth Audio Power Amplifier 2.1 Channel 200Price: 1163.09

Starsound Hornet Series 7600w 4channel AmplifierPrice: 809.5

2.1 Channel Bluetooth Digital Power Amplifier Motherboard Module 12V Passive SubwooferPrice: 432.67

External Potentiometer - Sinilink XY-AS21HPA High-Power BT Digital Amplifier Board 2.1 Channel SubwoPrice: 1837.39

Integrated Potentiometer - Sinilink XY-AS21HPA High-Power BT Digital Amplifier Board 2.1 Channel SubPrice: 1567.94

Board Only - High Power Audio Amplifier Board 2.1 Channel Subwoofer Amplifier Board 240W AMP Dual ACPrice: 644.38

Targa TA-R20000.4 Rock Series 20 000w 135rms x 4 Channel AmplifierPrice: 1299.0

External Potentiometer - Sinilink Audio XY-HT21MAX Bluetooth Audio Power Amplifier 2.1 Channel 200W+Price: 1422.43

DX-210 2.1 Channel DC12V Subwoofer Mini Car Computer DIY AmplifierPrice: 627.0

30Wx2 + 60W 2.1 Channel Subwoofer Amplifier Board High Fidelity Digital Audio Amplifiers With PanelPrice: 620.0

ZK-TB21 TPA3116D2 High & Low Pitch Adjustment 2.1 Channel Bluetooth Full Digital Power Amplifier ...Price: 518.38

BlackSpider BSA80.2 8000W 2 Channel AmplifierPrice: 795.0

With Shell - ST21PRO bluetooth Digital Audio Power Amplifier Board 2.1 Channel 100Wx2 + 200W SubwoofPrice: 1170.86

TAS5630 Subwoofer Amplifier Board Class D 2.1 Channel Digital Sound Amplifiers 150Wx2+300WPrice: 1084.0

With Shell - ZK-ST21 2.1 Channel Bluetooth Amplifier Board 100W+100W+200W Subwoofer TPA3221 SupportPrice: 1205.36

With Shell - ZK-ST21 bluetooth Digital Amplifier Board 2.1 Channel 100W+100W+200W Subwoofer Chip TPAPrice: 877.02

Starsound Rapter 5000 4ch AmplifierPrice: 1049.0

bare board - ST21PRO bluetooth Digital Audio Power Amplifier Board 2.1 Channel 100Wx2 + 200W SubwoofPrice: 963.38

JBL Stadium 5 Amplifier 5 ChannelPrice: 7470.0