Premium Dual Channel Bluetooth Stereo Amplifier Board Low St

Welcome to my store, we have many kinds of price products, we launch new products every day, please follow my store and pay more attention, for more products, Please click on the seller information to enter our store to buy, we hope give you a pleasant shopping experience. Thank you and have a nice day!

Description:

- Product model: HF69B
- Bluetooth power amplifier board, low standby power, good stereo sound quality, suitable for small bluetooth speakers
- Output power: 6W+6W two-channel stereo
- Applicable speaker impedance: 4 ohms, 6 ohms, 8 ohms
- Supply voltage: 5VDC or 3.7 volt lithium battery
- Charging interface: 5 volt power supply or mobile phone charger can charge single-cell lithium battery when using lithium battery
(the charge management circuit limits the maximum voltage of the battery to 4.2VDC)

Specification:

Product Size: approx. 70x40x8mm/2.76x1.57x0.31inch

Package Includes:

1Piece bluetooth audio amplifier board

Note:

When the slide switch is ON, the Micro USB port is the charging port, which can be operated by the lithium battery. When the slide switch is OFF, the Micro USB port is the power supply port, which can work without the lithium battery.

audio amplifier board;bluetooth amplifier board;HiFi audio amplifier board;audio power amplifier module;Audio Receiver Amplifier Board;stereo audio amplifier board;12W bluetooth amplifier board;dual channel bluetooth amplifier board

a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a