ZK-MT21 2.1 50W×2+100W Channel Bluetooth-Compatible Audio Power Amplifier Board DC 12-24V BT AUX Input with Treble and Bass Control for DIY Bluetooth-Compatible Speaker Home Theater

Price: $19.99 - $15.99
(as of Jul 09, 2025 15:41:20 UTC – Details)

Product Name: 2.1 Channel Bluetooth-Compatible Audio Amplifier Module
Product model: ZK-MT21
Bluetooth-Compatible version: 5.0 (unobstructed, 15 meters)
Input sensitivity: 500mV
Input method: AUX+Bluetooth-Compatible
Number of channels: 2.1 channels
Adaptive power supply: DC 12-24V/5A or above (cannot be connected to 24V battery pack)
Compatible speaker: 20~100W, 4~8Ω
Output power: Left and right channels<50W
Subwoofer<100W
Protection mechanism: anti reverse connection, overheating, overcurrent, short circuit protection
Product size: 93mm*90mm* 22mm
Product weight: approximately 185g (including packaging)
Achieve a deeper, more immersive sound with the ZK-MT21 power amplifier board’s treble and bass adjustment features. Enhance the audio layers and intensify the bass for a more dynamic listening experience tailored to your preferences
Ensure safe operation with the ZK-MT21 Bluetooth-Compatible power amplifier board’s built-in protection mechanisms, including short-circuit, over-current, over-heat, and anti-reverse protection. Keep your device secure from potential damage and enjoy peace of mind during use
Enhance your DIY audio projects with the ZK-MT21 2.1 channel amplifier board, compatible with DC adapters (12-24V, 5.5mm*2.1mm plug) for easy setup. Explore endless possibilities in creating custom Bluetooth-Compatible speakers or home theater systems
Experience audio with the ZK-MT21 2.1 channel Bluetooth-Compatible power amplifier board, offering 50W×2+100W output for a powerful sound performance. Control treble and bass effortlessly to customize your listening experience
Enjoy seamless connectivity with Bluetooth-Compatible 5.0 and a 3.5mm AUX input on the ZK-MT21 amplifier board, allowing you to stream music wirelessly or connect via traditional audio sources. Experience flexibility in how you enjoy your audio