7.4V Amplifier MP3 Decoder Board 20W+20W 12V Audio for DIY 110-240V FM Radio Module TF USB Mic

7.4V Amplifier MP3 Decoder Board 20W+20W 12V Audio for DIY 110-240V FM Radio Module TF USB Mic Description

7.4V Amplifier with MP3 Decoder This 7.4V amplifier MP3 decoder board delivers high-quality audio output with built-in wireless connectivity. Perfect for DIY speaker projects, it supports seamless streaming and audio decoding.
Powerful 20W+20W Audio Output Featuring a strong 20W+20W output power, this amplifier ensures clear, dynamic sound performance. Ideal for small to medium-sized speaker systems requiring robust audio output.
Wide Voltage Input & Rechargeable Support Designed for 12V audio operation, this module supports a wide input range from 110-240V AC. It also works with rechargeable power sources, making it versatile for various DIY audio setups.
Multi-Source Audio Compatibility The module supports multiple audio inputs including FM radio, TF card, USB, and mic. This allows users to music from various sources, enhancing flexibility in audio playback options.
Compact & Durable Metal Housing Built with a metal material casing, this speaker accessory offers durability and heat dissipation. The compact design fits easily into custom speaker enclosures without compromising performance.

Power supply method (multiple options available)
Built-in 7.4V lithium battery
External 12V interface the panel
110V-240V AC input
Power: 2*4 ohm 20W mid-bass or full-range speaker
Panel size: 220*110MM
Panel with Auido output port
Supports USB/TF//AUX/FM
Supports microphone input
With power
Support for recording
AUX Input Usage Instructions:
Insert one end of the 3.5mm audio cable into the headphone jack of the computer
Insert the other end into the AUX input port the device panel,
Then press the "MODE" button to this device to AUX mode,
The sound from a phone or computer can be played through this device at th