EP001 is a beginner kit with little or no previous knowledge of electronics. Basic soldering techniques required for circuit board assembly. It comes with two sets of flashing circuit and sound circuit, and soldering tools including a soldering iron, cutting pliers and a soldering base. This will make learning electronics easy and fun! Just follow our manual and build exciting projects. You can even play electronic games with your friends. Enjoy hours of educational fun while learning about electronics.


Key Features:

• A simple two LED flasher
• An ambulance siren
• A soldering iron
• Cutting pliers
• A soldering base

A small, low cost, low wattage amplifier kit. Assembly is required!

Key Features:

• Suitable for 2w. micro cassette player, 3-12 vdc power supply.
• This is an all purpose OTL, circuit.
• Power supply 3 - 12V.
• 3vDC = 200mW 4 ohm speaker 6vDC = 750mW 4 ohm speaker 9vDC = 1.6W 4 ohm speaker 12vDC = 2W 8 ohm speaker

Additional Information:

• On board PCB trim pot style input level adjust
• Based on the TBA820 8 pin DIP
• Power supply can range anywhere from 3V - 12V DC
• The speaker shares a common ground connection
• Dimenions: 1 5/8 X 1 3/8 X 3/8" (41 x 35 x 10mm)
• Click here to view the circuit diagram

A tiny low cost 2 watt stereo amplifier kit. Assembly is required!


Key Features:

• Suitable for 2+2w.portable radio, 3-12 vdc power supply.
• This is an all purpose OTL, circuit.
• Power supply 3 - 12V.
• 3vDC = 200mW 4 ohm speaker 6vDC = 750mW 4 ohm speaker 9vDC = 1.6W 4 ohm speaker 12vDC = 2W 8 ohm speaker

A mono power amplifier kit using an IC with 8 Watts output. This kit amplifies a line signal from a CD player, radio, etc. Assembly is required!


Key Features:

• Suitable for 8W , 8+8W tuner radio or audio tape application generally sound in car radio system.
• Power amp 8w, with only a single particular IC.
• Power amp 8w ,use TDA 2004 as an amplifier for both left and right channel.
• Power supply 12V.

A stereo 8 watt line amplifier kit that uses an IC, and provides 8 watts to each channel! For use with 4 to 8 ohm 8 watt speakers. Assembly is required!


Key Features:

• Suitable for 8+8W tuner radio or audio tape application generally sound in car radio system.
• Power amp 8+8w, with only a single particular IC.
• Power amp 8+8w ,use TDA 2004 as an amplifier for both left and right channel.
• Power supply 12V.

Additional Information:

• Click here to view the circuit diagram

A low cost BTL amplifier kit. Provides 15 watts. Runs on 12vDC. This kit amplifies using an IC. Assembly is required!


Key Features:

• Suitable for 15w. cassette tapes and car radio amplifying.
• Can be installed for home use by using an adapter.
• Power supply 12 V.

A small stereo amplifier kit. Provides 15 watts of power to each channel. Runs on 12vDC. This kit is good for amplifying from CD or other line level audio signal. Assembly is required!


Key Features:

• Suitable for 15+15w. cassette tapes and car radio amplifying.
• Can be installed for home use by using an adapter.
• Power supply 12 V.

A mono power amplifier kit with microphone input with pre amp, tone control, and two input selection. 12vDC 1 Amp max. 15 Watts RMS at 4 ohm BTL. Assembly is required!

Key Features:

• This amplifier is constructed with the TDA 2004 IC.
• Capable of delivering 15 Wrms At 4 Ohms (BTL).
• With have build-in mono tone-control and pre-amplifier of microphone.
• Two inputs selection can be operated using PUSH-ON PUSH-OFF switch.
• Power supply : 12 VDC / MAX 1A.

Additional Information:

• 15 Watts RMS at 4 ohm BTL (bridge tied load), aprox 7 Watts into 8 ohms. Do not connect either speaker terminal to ground this will result in a damaged audio amplifier IC.
• Aux stereo input combines left and right channels into one mono signal. Has a microphone or line input selection switch. Mic input has its own level adjust control. Includes Bass and treble control as well as a volume control. Will operate from 10 volts DC up 15 volts DC.
• Heatsink measures 55mm x 35mm high x 20mm thick or 2 1/4 inchs by 1.5 inchs by 3/4 of an inch thick.
• PCB measures 105mm x60mm or 4 1/8 of an inch by 2 1/4 inchs.
• The shafts on the pots stick out 15 mm or 5/8 of an inch. 4 mounting holes are provided at each corner.

This tone control (Mono) circuit is a multifunctional tone controller that can be applied with normal amplifier. It requires 6-15V power supply. Assembly is required!


Key Features:

• Suitable for use with all types of mono amplifier.
• Power supply 6-15v.

This tone control (stereo) circuit is a multifunctional tone controller that can be applied with normal amplifier. It requires 6-15V power supply. Assembly is required!

Key Features:

• Suitable for use with all types of stereo amplifier.
• Power supply 6-15v.

This super tone control (mono) circuit need 15-0-15V power supply which is suitable for connecting with OCL amplifier only. Assembly is required!


Key Features:

• For OCL monoamplifier.
• Requires 15-0-15 v. power supply.

This super tone control (stereo) circuit need 15-0-15V power supply which is suitable for connecting with OCL amplifier only. Assembly is required!


Key Features:

• For OCL stereo amplifier.
• Requires 15-0-15 v. power supply.

This circuit for the mono respectively that will provide you will a high quality sound system at a very low cost. It needs 12V power supply. Assembly is required!


Key Features:

• This circuit for mono will provide you with a high quality sound system of a very low cost.
• Power supply 12V.