Product · United States

ZK-TB21F 2.1 Channel Bluetooth Audio Power Amplifier Board TPA3116 Module TWS Pair Box Potentiometer External

Product no longer available. The stores we track no longer sell it; last price seen $34.31.

Price history: 6 daily prices tracked since 2026-10-18; lowest $34.25, highest $36.12.

ZK-TB21F 2.1 Channel Bluetooth Audio Power Amplifier Board TPA3116 Module TWS Pair Box Potentiometer External

Similar products available now

View on avalwhunt