Product Quantity Subtotal TPA3110 Mono Channel Digital Amplifier Board 30W Power Amplifier Module $0.75 TPA3110 Mono Channel Digital Amplifier Board 30W Power Amplifier Module quantity × $0.75 TPA3110 Mono Channel Digital Amplifier Board 30W Power Amplifier Module quantity $0.75 Waveshare SX1268 LoRa HAT for Raspberry Pi 433MHz Frequency Band $16.01 Waveshare SX1268 LoRa HAT for Raspberry Pi 433MHz Frequency Band quantity × $16.01 Waveshare SX1268 LoRa HAT for Raspberry Pi 433MHz Frequency Band quantity $16.01 Coupon: Apply coupon Update cart Cart totals Subtotal $16.76 Total $16.76 Proceed to checkout