Hiletgo 2Pcs JQ6500 Voice Module Sound Module MCU 5 Channel Serial Control MP3 Music Play SPI

Behringer Perfect Pitch PP1 Eurorack Module 10HP Eurorack Signal Conversion Module With Guitar, Microphone, And Line Level Audio Conversion To MIDI,

Roland JU-06A Boutique Series JUNO Sound Module 4-Voice Synthesizer Module And USB Audio Interface With 60/106 Modes, 1 LFO, 1 Oscillator, 2

Power Amplifier Board, Bluetooth 5.1 Digital Audio Module With 2.1 Channels, 30W Output, AUX Input, Overload Protection

ZK-HT21 Bluetooth Amplifier Board 160W×2+220W Subwoofer 2.1 Channel Audio Amplifier Bluetooth Module With Treble And Bass Control,AUX/Bluetooth/USB