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Mini DC Submersible Water Pump
Original price was: ₹120.00.₹30.00Current price is: ₹30.00.
ZK-AS21 2.1 Channel Bluetooth Power Amplifier Board
₹2,250.00
The ZK-AS21 2.1 Channel Bluetooth Power Amplifier Board is a high-power digital audio amplifier designed for DIY and custom audio systems. It provides 2.1-channel output with
dedicated left, right, and subwoofer channels, making it suitable for powerful stereo sound with enhanced bass.
The amplifier supports Bluetooth wireless audio, USB playback, and 3.5 mm AUX input, allowing connection to multiple audio sources. It features independent controls for subwoofer frequency, subwoofer volume, treble, bass, and master volume for flexible sound adjustment.
A long-life ultra-silent cooling fan and large heatsink help manage heat during operation, making the board suitable for extended use. Its compact design makes it ideal for home audio systems, Bluetooth speakers, DIY speaker projects, car audio setups, and active subwoofers.
Description
Other Power Features
Other Power Features:-
- High-Power 2.1-Channel Configuration: Designed to drive two main speakers and a dedicated subwoofer.
- High Output Capability: Advertised up to 220W × 2 + 350W under suitable operating conditions.
- Wide DC Power Compatibility: Uses a DC power input and is shown with a 5.5 × 2.1 mm DC socket.
- Dedicated Subwoofer Amplification: Provides a separate high-power channel for bass output.
- Adjustable Subwoofer Frequency: Approximately 20–200 Hz control range.
- Efficient Digital Amplification: Designed for high power delivery with improved efficiency compared with conventional linear amplifier designs.
- Active Cooling System: Long-life ultra-silent fan helps dissipate heat during high-power operation.
- Large Heatsink: Provides additional thermal management for sustained operation.
- Large Filter Capacitors: Help support stable power delivery during demanding audio peaks.
- Independent Audio-Level Controls: Separate subwoofer and master-volume controls allow precise power/output adjustment.
- Multiple Input Options: Bluetooth, USB and AUX provide flexible audio-source connectivity.
- Suitable for High-Power DIY Builds: Can be integrated into home audio systems, Bluetooth speakers, 2.1 speaker systems and active subwoofer projects.
