2PCS ZK-1001U Mono Amplifier Board with TWS, 100W Power Output, Vehicle Amplifier Wide Voltage Input 9-24V, Supports USB/AUX/Bluetooth, Black (ZK-1001U 2PCS)

<h2>Product description<br></h2><h3>100W Mono Amplifier Board <br></h3><p>The ZK-1001U is a 100W mono Bluetooth amplifier board based on the TPA3116D2 chip, specially designed for portable audio systems and DIY speaker projects. This amplifier board supports TWS (True Wireless Stereo) functionality, allowing wireless stereo pairing between two modules. Additionally, the ZK-1001U features treble and bass adjustment, enabling users to fine-tune the sound according to their preferences for a more dynamic and immersive listening experience. <br></p><br> <br><h3>TWS Function - Achieving True Wireless Connection <br></h3><p>1.Turn on two power amplifiers of the same model. <br></p><p>2.Choose either amplifier, then press the master volume knob (with button function) inward three times. The blue TWS indicator will start flashing, and the other amplifier will automatically pair with it to form a stereo setup.(If pairing is not successful within 15 seconds, pairing mode will exit automatically. You can try again by pressing the knob three times.) <br></p><p>3.Once paired, the selected amplifier will function as the left channel, with its blue indicator staying solid. The other amplifier becomes the right channel, and its blue indicator will flash slowly. <br></p><p>4.The next time the units are powered on, they will automatically reconnect. To cancel the pairing, simply press the knob on either amplifier three times. <br></p><br> <br><p>Equipped with a heatsink: Effectively lowers the working temperature of the amplifier chip, ensuring stable operation of the amplifier board. <br></p><p>TPA3116D2 Chip: Uses the TPA3116D2 digital amplifier chip, with low distortion and pure, powerful sound quality. <br></p><p>Boost circuit: Can be boosted to 19V or 24V, meeting the power requirements of different speakers. <br></p><br> <br><h3>Bluetooth/3.5mm AUX/USB Sound Card/USB Flash Drive Input <br></h3><p>The ZK-1001U amplifier board features three audio input modes: Bluetooth 5.3, 3.5mm AUX, and USB, offering strong compatibility with various audio sources. With flexible input switching, it allows you to enjoy music effortlessly in different scenarios. <br></p><br><br>

• High-Power Mono Amplifier with Genuine TPA3116 Chip Equipped with an authentic TPA3116 amplifier chip, this mono board delivers up to 100W output power and supports a wide 9-24V input voltage, making it ideal for robust audio projects.
• Effortless TWS Pairing for Wireless Stereo Sound Enjoy seamless True Wireless Stereo (TWS) pairing—just quick-press the multifunction knob to sync two amplifier boards for immersive left/right channel sound. Perfect for DIY speaker builds!
• Built-In Boost Circuit for Optimal Voltage Output Features an auto-boosting circuit that intelligently adjusts input voltage (9V/15V) to a stable 19V or 24V (default: 24V), ensuring consistent high-performance audio even with lower-voltage batteries.
• Precision 3-Knob EQ Control + Smart Multifunction Button Three dedicated knobs for master volume, bass, and treble fine-tuning. The volume knob doubles as a smart button: Single press: Play/Pause Double press: Next track Triple press: Toggle TWS on/off Long press: Power on/off
• Triple Input Modes: Bluetooth, USB & AUX Flexible connectivity with Bluetooth 5.0 (for wireless streaming), USB (for direct playback), and AUX (for wired devices), catering to all your audio needs.