{"id":15522732310765,"title":"ZK-MT21 Bluetooth Amp,2.1 Channel BT 5.0 Amplifier Board 1pc","handle":"zk-mt21-bluetooth-amp-2-1-channel-bt-5-0-amplifier-board-1pc","description":"\u003ch3\u003eZK-MT21 Bluetooth Amp,2.1 Channel BT 5.0 Amplifier Board\u003c\/h3\u003e\n\u003cp id=\"b\"\u003e\u003c\/p\u003e \n\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\n \u003cul class=\"a\"\u003e\n \u003cli\u003eRevive Your Old SpeakersBring your unused passive speakers back to life with the ZK-MT21 2.1 Channel Bluetooth Amplifier Board. Upgrade traditional speakers into a wireless audio system with Bluetooth 5.0 connectivity. Perfect for DIY speaker upgrades, home theater setups, desktop multimedia systems, and car audio projects. Designed for budget-conscious audio enthusiasts who want an affordable way to build a high-value 2.1 channel sound system.\u003c\/li\u003e\n \u003cli\u003ePowerful 2.1 Channel Output \u0026amp; Wide Speaker CompatibilityEnjoy powerful stereo performance with 50W 2 left\/right channel output and up to 100W subwoofer output. Compatible with 20-100W speakers and 4-8 impedance, supporting 6.5-inch stereo speakers and 8-inch subwoofers for rich bass, clear vocals, and immersive sound.\u003c\/li\u003e\n \u003cli\u003eProfessional Sound Tuning with Low Distortion \u0026amp; Noise ReductionWith THD 0.1%, the ZK-MT21 delivers cleaner and more accurate audio performance. Built-in AM interference suppression technology helps reduce environmental noise and signal interference, providing a smoother listening experience for music, movies, and gaming.\u003c\/li\u003e\n \u003cli\u003eBluetooth 5.0 Wireless Connectivity \u0026amp; Flexible Power OptionsSupports Bluetooth 5.0 wireless transmission (range up to 15 meters\/49 feet with a clear line of sight) and 3.5mm AUX input, offering versatile connection methods. A DC 1224V power supply (with a current of 5A or higher) is recommended for optimal performance; a 9V\/1A power supply may also be used, though output power and sound quality may be reduced. Note: Do not connect to a 24V battery pack.\u003c\/li\u003e\n \u003cli\u003eEasy DIY Installation with Reliable Heat Dissipation ProtectionDesigned for DIY audio enthusiasts, the package includes top\/bottom covers, 8 screws, 5 knob caps, screwdriver, and power adapter for easy assembly. 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Bluetooth Amp,2.1 Channel BT 5.0 Amplifier Board\u003c\/h3\u003e\n\u003cp id=\"b\"\u003e\u003c\/p\u003e \n\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\n \u003cul class=\"a\"\u003e\n \u003cli\u003eRevive Your Old SpeakersBring your unused passive speakers back to life with the ZK-MT21 2.1 Channel Bluetooth Amplifier Board. Upgrade traditional speakers into a wireless audio system with Bluetooth 5.0 connectivity. Perfect for DIY speaker upgrades, home theater setups, desktop multimedia systems, and car audio projects. Designed for budget-conscious audio enthusiasts who want an affordable way to build a high-value 2.1 channel sound system.\u003c\/li\u003e\n \u003cli\u003ePowerful 2.1 Channel Output \u0026amp; Wide Speaker CompatibilityEnjoy powerful stereo performance with 50W 2 left\/right channel output and up to 100W subwoofer output. Compatible with 20-100W speakers and 4-8 impedance, supporting 6.5-inch stereo speakers and 8-inch subwoofers for rich bass, clear vocals, and immersive sound.\u003c\/li\u003e\n \u003cli\u003eProfessional Sound Tuning with Low Distortion \u0026amp; Noise ReductionWith THD 0.1%, the ZK-MT21 delivers cleaner and more accurate audio performance. Built-in AM interference suppression technology helps reduce environmental noise and signal interference, providing a smoother listening experience for music, movies, and gaming.\u003c\/li\u003e\n \u003cli\u003eBluetooth 5.0 Wireless Connectivity \u0026amp; Flexible Power OptionsSupports Bluetooth 5.0 wireless transmission (range up to 15 meters\/49 feet with a clear line of sight) and 3.5mm AUX input, offering versatile connection methods. A DC 1224V power supply (with a current of 5A or higher) is recommended for optimal performance; a 9V\/1A power supply may also be used, though output power and sound quality may be reduced. Note: Do not connect to a 24V battery pack.\u003c\/li\u003e\n \u003cli\u003eEasy DIY Installation with Reliable Heat Dissipation ProtectionDesigned for DIY audio enthusiasts, the package includes top\/bottom covers, 8 screws, 5 knob caps, screwdriver, and power adapter for easy assembly. Equipped with a 451510mm heatsink and built-in protection against short circuit, over-current, over-temperature, and reverse polarity for safer operation.\u003c\/li\u003e\n \u003cli\u003eThe ZK-MT21 is positioned primarily for entry-level home theater setups, desktop multimedia speakers, car audio upgrades, and DIY audio projects. While it may not meet the demands of those seeking ultimate audio fidelity, a pristine noise floor, or a professional-grade acoustic experience, it is a highly practical and cost-effective choice if you simply want to assembleon a limited budgeta feature-rich, clear-sounding audio system that includes a dedicated subwoofer.\u003c\/li\u003e\n \u003c\/ul\u003e"}