Bluetooth Power Amplifier Board Stereo Hifi 2.1 Channel 2X220W+350W Bluetooth 5.1 16 32V Digital Power Audio Amplifier Module Subwoofer Control With Aux/Bluetooth/Usb Flash Drive (Zk As21)

Frequently Asked Questions

• Q: What are the dimensions of the Bluetooth Power Amplifier Board ZK-AS21? A: The dimensions are one hundred forty-one millimeters by one hundred thirty-one millimeters by twenty-seven millimeters. This compact size makes it easy to integrate into various audio setups.
• Q: What is the power output of the ZK-AS21 amplifier? A: The output power is two hundred twenty watts for the left and right channels and three hundred fifty watts for the subwoofer. This ensures high-quality sound performance for your audio needs.
• Q: What voltage range is suitable for the ZK-AS21 amplifier? A: The amplifier operates within a voltage range of twelve to thirty-eight volts. This makes it adaptable for various power supply configurations.
• Q: How do I connect my devices to the ZK-AS21 amplifier? A: You can connect devices via Bluetooth, AUX, or USB. The amplifier supports multiple input methods, making it versatile for different audio sources.
• Q: Can I control the ZK-AS21 amplifier using an app? A: Yes, the amplifier supports app control for Bluetooth settings. You can modify the Bluetooth name, password, and other settings directly from your device.
• Q: Is the ZK-AS21 amplifier compatible with passive speakers? A: Yes, it supports both active and passive speaker configurations. This flexibility allows you to choose your preferred audio setup.
• Q: How do I protect the ZK-AS21 amplifier from damage? A: The amplifier has built-in protection against short circuits, overcurrent, and overheating. These features help maintain its safety and longevity during use.
• Q: What should I do if the ZK-AS21 amplifier is overloaded? A: The amplifier will report a fault condition to the processor and automatically recover without requiring a restart. This ensures quick recovery from overload situations.
• Q: What is the wireless range of the ZK-AS21 amplifier? A: The wireless range is up to fifteen meters in open spaces. This allows for convenient placement of devices without being tethered.
• Q: How do I switch between audio input modes on the ZK-AS21? A: You can switch modes using the dial wheel key on the amplifier. This allows for easy transitions between different audio inputs.
• Q: Is the ZK-AS21 amplifier suitable for small home setups? A: Yes, its compact size and versatile input options make it ideal for small home audio systems. It can easily fit in tight spaces while delivering powerful sound.
• Q: Can I use the ZK-AS21 amplifier with my smartphone? A: Yes, it is compatible with smartphones and other Bluetooth-enabled devices. This allows for seamless streaming of music from your phone.
• Q: What type of speaker impedance does the ZK-AS21 support? A: The amplifier supports speaker impedance ranging from three to eight ohms for left and right channels and two to eight ohms for the subwoofer. This provides flexibility in speaker selection.
• Q: How should I clean the ZK-AS21 amplifier? A: To clean the amplifier, use a soft, dry cloth. Avoid using liquid cleaners to prevent damage to the electronic components.
• Q: What is the warranty policy for the ZK-AS21 amplifier? A: The ZK-AS21 amplifier typically comes with a manufacturer warranty. Be sure to check the specific terms provided at the time of purchase.