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ZK-ST21 2x100W + 200W 2.1 Channel Bluetooth Amplifier Module
3.131,00
TL
+
VAT
3.757,20
TL
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3.131,00
TL
+
VAT
3.757,20
TL
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ZK-ST21 2x100W + 200W 2.1 Channel Bluetooth Amplifier Module
The ZK-ST21 2x100W + 200W 2.1 Channel Bluetooth Amplifier Module utilizes two TPA3221 power amplifier ICs on the board. It features independent subwoofer output alongside left and right stereo channels, delivering 100W + 100W for stereo and 200W for the subwoofer.
It supports multiple audio input methods, including Bluetooth 5.1, 3.5mm AUX, USB flash drive, and USB sound card.
It utilizes the JieLi 5.1 Bluetooth chip, with a specified connection range of up to approximately 15 meters in open environments.
Specifications
- Operating Voltage: DC 12–30V
- Recommended Power Supply: DC 24–28V / 10A or higher
- Power Amplifier IC: 2 × TPA3221
- Channel Configuration: 2.1 channel
- Outputs: Left channel + right channel + subwoofer
- Power: 100W + 100W + 200W
- Left/Right Max Output: 105W @ 30V / 4Ω
- Left/Right Output: 55W @ 30V / 8Ω
- Subwoofer Max Output: 208W @ 30V / 2Ω
- Subwoofer Output: 105W @ 30V / 4Ω
- Left/Right Speaker Impedance: 3–8Ω
- Recommended Left/Right Speaker Power: Up to 100W
- Subwoofer Impedance: 2–8Ω
- Recommended Subwoofer Power: Up to 200W
- Bluetooth Version: Bluetooth 5.1
- Bluetooth Chip: JieLi
- Bluetooth Range: Approx. 15 m
- Audio Inputs: Bluetooth / AUX / USB flash drive / USB sound card
- AUX Input: 3.5 mm
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