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Upgraded AS21 second generation 2.1 channel TPA3255 Bluetooth power amplifier board module high and low 220W * 2 + 350W

Lowest price: $73.52 · 1 store · price range $91.90 … $91.90 · 20% off the list price

Price history: 3 daily prices tracked since 2026-10-18; lowest $73.18, highest $73.52.

Price last confirmed by the store feed on 2026-10-31.

Upgraded AS21 second generation 2.1 channel TPA3255 Bluetooth power amplifier board module high and low 220W * 2 + 350W

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Store 1 (US)$73.52In stockGo to store

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