ZK-TB21 PRO 2.1 Channel Bluetooth Amplifier Board - 200W TPA3116D2 Chip with AUX Input

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Specifications: Model: TB21 PRO Input Modes: Bluetooth, 3.5mm AUX, USB Input Voltage: DC 12-24V/5A or above Bluetooth Version: 5.2 Chip: TPA3116D2 Maximum Output Power: 50W + 50W + 100W Compatible Speakers: 20-100W, 4-8Ω APP Control Support: Yes (includes changing Bluetooth name and setting a password) U Disk Decoding Formats: WAV, FLAC, APE, MP3 Product Dimensions: 111 x 103 x 27 mm Product Weight: 220 g Color: Black Material: ABS Package Includes: 1 x Bluetooth amplifier board Show more