Top-cofrLD 2 Dual Channel 2.0 15W+15W TDA2030A HiFi Stereo Audio Power Amplifier AMP Board DIY Kit

Line Matching Transformer 2A - LP-575 110/220V, 12-0-12V, 2A. Nippon America

Lysignal Fever 6J1 Tube Amplifiers Board Preamplifier Headphone Pre-Amp Amplifier Audio Board DIY Kits

Velleman, Inc – Super Stereo Ear MiniKit MK136 – Entry Level Audio Amplifier Soldering Project

Gikfun Mini Electronic Transparent Stereo Speaker Box DIY Kit Sound Amplifier for Arduino EK1831

Aven 17010 Adjustable Circuit Board Holder

Multifunction Meter DIY kit, kuman Mega 328 Graphic transistor Tester, NPN PNP Diodes Triode Capacitor ESR SCR MOSFET Resistor Inductance LCD Display Checker with case and screwdriver K77

DROK TDA7297 15W+15W Audio Power Amplifier Module AC/DC 9-18V 2.0 Dual Channel Stereo Amp Board, DIY Sound System Component

SainSmart DIY-DS1302-Rotating-LED-Electronic-Digital-Clock-Kit-51-SCM-Learning-Board-5V-xp

kuman DSO 138 DIY Kit Open Source 2.4" TFT 1Msps Digital Oscilloscope Kit with DIY Parts + Probe 13803K (SMD Pre-Soldered)

DIKAVS DIY Mini Music Tesla Coil Kit