This is our record of Amazon price changes for Bluetooth Amplifier Board 2.1 Channel Class D AMP Module with Dual TPA3116D2 Chip (ZK-TB21) (B08HRG75NV) since we began monitoring it.
| Price Type | Lowest Ever | Highest Ever | Current + | Average |
|---|---|---|---|---|
| Amazon | (Jul 02, 2026) | (Jul 02, 2026) | 0,00 € (Jul 02, 2026) |
Amazon Price
Jul 02, 2026 11:30 AM
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