5pcs B0505S-2W 2WR2 2WR3 B0505-1W B0505-2W DC-DC Power Supply Module Short-circuit Protection

DC 5V-15V 12V AD828 Stereo Preamp Power Amplifier Board Preamplifier Module

UPC1237 Speaker Protections Circuit Board With Startup Delay And Direct Current Protections For Amplifiers AC12-18V

Audio Signal Selection Board 4 Way Audio Input Switching Input Board Selector AC12~15V

1Pc Ec11 Thin Rotary Encoder With Switch 30 Positioning 15 Pulse 15Mm Half-Axis

15 Mm Shaft Length Potentiometer Switch A10K Potentiometer

M3*45 4mm Banana Socket Binding Post Nut Banana Plug Red Black Sound Panel Jack Electrical Connector Terminal Q1

Audiophile ES9038 DSD512 Decoders Module With Power Supply 3V Output Processing Bluetooth-compatible Transmission

O Level Amp Meter 500uA Warm Back Light Recording Stable Performance VU Meter with Driver Board

B0505S-1W DC-DC Isolated Power Module 1W 5V To 5V with Protection

Adjustable Sensitivity LM393 Sound Sensors Module Low Level Signal Output Compatible For DIY Electronics And Home Automation Systems

TL074 Audio Preamplifier Board Bass Balance Adjustable Audio Preamp Board PT2399 Bluetooth-compatible Tuning Board

XH A902 NE5532 Operational Amplifier Module Power Preamplifier Tone Board Preamp

Ac-Dc Converter Power Supply Module Ac 110V 220V 230V To 5V 12V 24V Switching

TDA7293 TDA7294 Digital Audio Power Amplifier Board 100W Single Channel Dual AC12‑32V

Filter Board Negative Positive Rectifier Op Amp Dual Power Voltage Regulator 12V 470uF

5Pcs Potentiometers Industrial Switches RK097NS 6Pin B10K 50K 100K Switch Audio Shaft 15mm Amplifier Sealing Kit

2*3W PAM8403 2.0Ch AUX Mini Digital Dual Channel Audio Amplifier 3W + 3W DIY Speaker USB 5V Small Stereo Amp Amplifier Board

1Pc Pioneer Tweeter Unit Audio Speaker Unit 12 Ohm 5W Diy Amplifier Speakers

2PCS/Lot 10000UF 15000UF 50V 63V 80V 100V Fever Power Amplifier Audio Audio Filter Capacitor

PAM8302A 2.5W Auditory Amplifier Board for DIY Projects with Short Circuits Protections and Energy Efficiency