Audio Amplifier Board, Icstation Ḅḷụẹ-ṭọọṭḥ-Compatible Stereo Audio Amplifier Module 2x5W BT 5.0 Mini Amplifier Board 3.7V 5V for DIY Speakers

Key features

• 【Please Note】We recommend you to use 3.7V lithium battery as power supply to reduce signal interference and noise (The lithium battery should have charging protection!). Do not use dry batteries, power bank, multi-function transformers and other unstable power supply. Do not get close to metal parts because metal parts will interfere the module.
• 【Updated BT 5.0】Mini ḅḷụẹ-ṭọọṭḥ audio board updates to ḅḷụẹ-ṭọọṭḥ 5.0 version, which is compatible with most mobile phones and ḅḷụẹ-ṭọọṭḥ adapters. The maximum transmission distance is about 15 meters.
• 【Good Sound】(Speakers are not included.) It outputs 5W+5W dual channel stereo audio. Updated version supports anti cracking sound function and subwoofer enhancement. It also supports USB sound card, without drive. Just plug and play. 2-8 ohm and 3-10W speakers are compatible with the board, but 3 ohm&5W or 4 ohm&10W are recommended.
• 【Low Standby Consumption】Ultra low power consumption when it is in standby mode. After 10 minutes standby, the board will automatically shut-down. Also it will automatically reconnect after power cycling the unit.
• 【USB port】The on-board USB interface can not only be used to USB sound card but also charge the lithium battery and also used as a 5V power supply port. Please contact us with any connection questions.