Product Description
Experience a massive audio upgrade with the ZK-HT21 Bluetooth Digital Amplifier Module. This high-power 2.1 channel board utilizes the legendary TDA7498E chips to deliver a combined peak power of 540W (160W per stereo channel and 220W for the subwoofer). At Robogears, we recommend the ZK-HT21 for its incredible clarity and deep, punchy bass response. The board features an intuitive five-knob control system, allowing you to fine-tune the master volume, L/R treble and bass, and dedicated subwoofer frequency and volume. With support for Bluetooth 5.0, AUX input, and even USB flash drive playback, it is the ultimate foundation for building your own high-fidelity home theater or outdoor speaker system at your Pimpri facility.
Detailed Key Features
Audiophile-Grade Power: Features dual TDA7498E high-performance Class D chips for ultra-low distortion and efficient power delivery even at high volumes.
Full Audio Customization: Independent knobs for Subwoofer Frequency (20Hz–200Hz) and Subwoofer Volume allow you to blend your low-end perfectly with your stereo speakers.
Advanced Bluetooth 5.0: Ensures a stable, low-latency wireless connection with a transmission range of up to 15 meters in open environments.
Multi-Input Flexibility: Seamlessly switch between wireless Bluetooth, 3.5mm AUX input, or play high-quality lossless files directly from a USB drive.
Rugged Safety Circuitry: Built-in safeguards against over-current, short-circuits, and thermal runaway ensure the longevity of your speakers and the amplifier itself.
