Bluetooth Audio Module Digital Power Amplifier ZK LT21
$31.95
$39.94
Description of Bluetooth Audio Module Digital Power Amplifier ZK LT21 The ZK-LT21 Bluetooth Audio Module Digital Power Amplifier is a high-performance 2.1 channel amplifier designed for audio enthusiasts and DIY sound system builders. It supports multiple input modes including Bluetooth, AUX, USB, and USB sound card, ensuring flexible audio connectivity. With intelligent protection mechanisms, it offers an efficient, safe, and convenient user experience. Key Features 2.1 channel digital amplifier design for balanced and powerful sound output. Multiple input modes for versatile use — BT, AUX, USB, and sound card. Intelligent protection system ensures safe operation. Compact and lightweight design, ideal for DIY audio projects. Specification Parameter Details Product Name Bluetooth Audio Module Digital Power Amplifier ZK-LT21 Speaker Impedance 4–8Ω Speaker Power 10–50W Input Current 3A Input Voltage 9–24V (Do not use 24V battery; fully charged voltage ≈ 28V) Power Output 15W 15W 30W Channels 2.1 Audio Input Bluetooth AUX USB USB Sound Card Protection Mechanism Overcurrent, Overheating, Short Circuit, Anti-static Dimensions 76 × 60 × 22 mm Weight ≈ 102g Applications DIY Bluetooth speaker systems Multimedia audio amplifiers Car and motorcycle audio systems Home stereo and entertainment setups Classroom or office sound systems Packaging Details 1 × Bluetooth Audio Module Digital Power Amplifier ZK-LT21 Frequently Asked Questions Does the module support Bluetooth 5.0? Yes, it supports Bluetooth 5.0 for stable and high-quality transmission. Can I use it with a car battery? No, a 24V car battery can exceed 28V when fully charged — which may damage the module. Does it include an amplifier output? Yes, it provides 2.1 channel output (Left, Right, and Subwoofer). Attention Note: This item is non-returnable. If this item arrives damaged or is not functioning properly, please don’t hesitate to contact us to determine if further action is required. Need Help? Our engineers are available to assist you. If you have any queries, please leave a comment below or call 09678110110 from 09:00 am to 06:00 pm (7 days a week). You can also reach us via WhatsApp or Facebook Inbox