Bluetooth Amplifier 2X15W 30W Audio Power Amplifier Digital Amplifier for Home Theater Speaker Mini Amplifier Board 5.0 + 5V-24V

Bluetooth 5.0: High transmission efficiency and stable transmission, long transmission distance, wireless distance up to 15m in open space Mini Bluetooth Power Amplifier Board: High quality channel 2*15W+30W HIFI music power amplifier board, enjoy high sound quality Multiple inputs and outputs: Multiple audio input methods: AUX, Bluetooth, USB flash drive, computer USB Note: If there is no sound after connection, please check whether there is a poor connection. Please pay attention to the voltage before connection. When using 8Ω speakers, the power supply is 9-24V. When using 4Ω speakers, the power supply cannot exceed 12V If the item you received is defective. Please feel free to contact us anytime. We will reply and provide a solution within 24 hours Parameters Bluetooth version: 5.0 (15m without occlusion) Dimensions: 76x60x20mm Input method: Bluetooth + AUX + USB + USB sound card adapter Power supply: 9-24V/≥3A adapter Speaker: 10-50W/4-8Ω Net weight: 66g Note: When using 8Ω speaker, the power supply is 9-24V. When using 4Ω speakers, the power supply cannot exceed 12V