1-10x BPM13 Plus DC 3.7-5.0V Bluetooth 5.4 Speaker DIY Amplifier Board Class D
1. Equipped with Bluetooth 5.4 and USB dual inputs; supports adjustable EQ and real-time audio effects when connected to a computer.
2. Features a genuine Class D amplifier chip, delivering a measured power output of 6.2W at 4Ω load—power ratings are accurate.
3. Features carefully selected high-quality resistors and capacitors to optimize high and low frequencies, delivering detailed, high-fidelity sound reproduction.
4. Smart noise reduction + precise volume control with 1% volume increments and excellent signal-to-noise ratio.
5. Compatible with 3.7–5V power supply, commonly used for DIY portable speakers and car audio modifications.
1. Genuine amplifier chip delivering a real-world rated output of 6.2W at 1% THD+N under a 4Ω load—no exaggerated power claims!
2. Two green-gold high-frequency capacitors for superior high-frequency performance and ample energy storage capacity.
3. Imported surface-mount capacitors with sufficient capacity ensure stable power supply during chip operation and prevent leakage current when powered off.
4. Features high-precision 1% tolerance audio resistors and imported coupling capacitors to ensure superior sound quality.
5. The charging chip includes reverse polarity and surge protection. It uses a high-quality charging control chip with a charging current of up to 1000mA for high efficiency.
6. Equipped with third-generation AcousticTM Smart Noise Cancellation; after manual switching, it maintains amplifier output while preserving a high signal-to-noise ratio upon startup, ensuring that every word of audiobooks is played clearly from start to finish.
7. Features a stepless volume adjustment engine, allowing volume control with 1% precision for more accurate adjustments.
Product Name: 5V Bluetooth Audio Amplifier Module
Chip Type: Mono Gain
Bluetooth Version: Bluetooth 5.4
Input Voltage: DC 3.7–5.0V
Supply Current: DC 2A (Max)
Output Power: 6.2W (4Ω) Up to: 7.3W
Amplifier Type: Class D
Output Noise: 0.1mVrms (f=20Hz–20kHz, Av=25dB)
Audio Input: Bluetooth + USB
Output Channel: 1-channel Mono
Dimensions: 25mm × 30mm (excluding connectors)
1/2/3/5/10x Amplifier Module
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2. If product is defective or damage upon arrival, or wrong product shipped, please contact us immediately. Returns accepted within 30 days of delivery date and item must be in original new condition.
3. Please contact us first if you have any problems/questions/concerns. We will be happy to resolve any issues you may have in a cordial and friendly manner.
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If the item is defect when you receive it or you are not satisfied with it, please return it within 30 days for a replacement or money back. But the items must be back in factory condition. Please contact us and double check the return address before you return it.