Bluetooth 2.1 Channel Power Amplifier 50W×2 + 100W Subwoofer with Bass Treble Control

Bluetooth 5.0 Wireless 2.1 Channel Power Amplifier Board ZK-MT21

Product Overview

Experience versatile and high-quality audio amplification with the ZK-MT21 Bluetooth 5.0 Power Amplifier Board. Designed to deliver seamless wireless audio streaming over long distances, this compact board supports both Bluetooth and AUX inputs for flexible connectivity. Tailor your sound with customizable bass and treble controls for a perfectly balanced listening experience.

Key Features

• Bluetooth 5.0 wireless connectivity with up to 49 feet range (no obstruction)
• Dual input options: 3.5mm AUX and Bluetooth for flexible device connection
• Adjustable bass and treble knobs for personalized sound tuning
• Compatible with most 12-24V DC adapters (5.5mm*2.1mm plug size)
• Includes a DC conversion plug for easy power setup
• Robust multi-layer protection: short-circuit, overcurrent, overheating, and anti-reverse protection

Benefits

Offering reliable and adaptable audio amplification, the ZK-MT21 enhances your sound setup whether at home, in the workshop, or for DIY projects.

• Stream your favorite music wirelessly with Bluetooth or connect wired devices using AUX
• Customize audio output to match your preferred sound profile
• Use with a wide range of speakers (20-100W, 4-8 Ohm) for clear stereo and powerful subwoofer output
• Protects your system with comprehensive safety features for long-lasting durability
• Easy to integrate into existing audio systems thanks to common adapter compatibility

Everyday Use

This power amplifier board is perfect for upgrading sound systems in homemade speaker projects, custom audio setups in vehicles, or small home theaters. Simply connect your Bluetooth-enabled phone, tablet, or computer for wireless streaming, or plug in a wired device through the AUX input. Adjust the treble and bass controls to enrich your listening experience, whether you’re enjoying music, podcasts, or movies.

Product Details

• Model: ZK-MT21
• Bluetooth Version: 5.0, with up to 49 feet transmission distance (no obstructions)
• Audio Inputs: Dual AUX (3.5mm) and Bluetooth
• Channel Configuration: 2.1 stereo system (left, right, and subwoofer)
• Power Supply: Adapts to 12-24V DC, minimum 5A current required
• Speaker Compatibility: Supports speakers rated 20-100W, impedance 4-8 Ohms
• Max Output: 50W per left/right channel, 100W for subwoofer
• Safety: Includes anti-reverse polarity, short circuit, overheating, and overcurrent protection
• Package Contents: 1 amplifier board (ZK-MT21), 1 DC conversion plug
• Note: Power supply not included. Recommended DC supply voltage is up to 20V. Battery packs should have a voltage below the rated voltage when fully charged.

Why Customers Love It

The ZK-MT21 Bluetooth Power Amplifier Board stands out for its combination of flexible connectivity, sound customization, and safety features. It’s an ideal choice for audio enthusiasts and DIYers seeking reliable performance and easy integration without compromising on sound quality.