SAMP-300 Dual Core TPA3255 HiFi 2-Channel Power Amplifier Board 600W+600W

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BRZHIFI L1 Pure Class A 2.0/2.1 Channel HiFi Audio Power Amp 3-Channel Wired In

TPA-6A2 HiFi Bluetooth5.0 TPA3116 50W+50W Electronic Tube Digital Power Amp

BRZHIFI A1s A1 Series 20Wx2 at 8Ω Class-A Amplifier HiFi Power Amp Audiophile

DAMP20-BT DIY HiFi Class D Digital Power Amplifier Board 50W+50W Bluetooth5.0 5V

ZK-AS21P High Power 2.1 Bluetooth HiFi Audio Power Amp Module 300W+300W+600W

TPA-6A2 HiFi Bluetooth5.0 TPA3116 50W+50W Electronic Tube Digital Power Amp