This is a TDA7492P Wireless Bluetooth 4.0 Audio Receiver Digital Amplifier Board. It is a compact, high-efficiency Class-D amplifier module designed to let you build your own DIY wireless Bluetooth speakers or upgrade old audio systems.
Core Specifications
- Amplifier Chip: TDA7492P
- Bluetooth Version: Bluetooth 4.0 (CSR8635 chip)
- Output Power: 25W + 25W (dual-channel stereo)
- Power Input: DC 8V to 25V (12V 3A or 24V 3A power adapter is highly recommended)
- Speaker Impedance: Compatible with 4, 6, 8, or 16-ohm speakers (8 ohms works best)
Key Features
- Dual Input Options: You can stream music wirelessly via Bluetooth, or connect a wired audio source using the built-in 3.5mm AUX headphone jack.
- On-Board Controls: Features 5 tactile push-buttons directly on the red PCB to control your media: Play/Pause, Next Track, Previous Track, Volume Up, and Volume Down.
- DIP Switches: Includes 2 small toggle switches to manually adjust the amplifier's gain settings for better audio optimization depending on your speakers.
- Easy Speaker Connection: Features green screw terminal blocks at the front, allowing you to securely attach speaker wires without any soldering.
Common Uses
- Building portable DIY Bluetooth speakers.
- Converting old bookshelf or car speakers into wireless ones.
- Creating home audio setups and custom sound systems.
