Audio Kits
Audio amplifiers, pre amps and other things.
- 3W Mono Amplifier Kit$16.95
SKU: K8066
A small but powerful 3W amplifier!Has many uses, such as powering tiny speakers, or amplifying microphones, doorbells, etc. Learn More
- 400W Bridged Mono 200W Stereo Amplifier Kit$99.95
SKU: K4005B
Velleman 400W Mono / 200W Stereo Power Amp Kit.
Please note: This kit is on sale due the age of the electrolytic capacitors. We recommend using fresh caps when building this kit.
Learn More - 50 Watt Power Amplifier Kit$19.95
SKU: FK660
50 Watt Mono OCL Power Amplifier Kit 1% Resistors. Class AB circuit, 1V. input sensitivity and 15 K input resistance. Learn More - 50 Watt Stereo Power Amp Kit$34.95
SKU: FK661
50 Watt OCL R1% Power Amplifier Kit. Class AB circuit, 1V pp input. Learn More - 6 - 10 Watt Stereo Amplifier Kit$12.95
SKU: QK143
Very low THD (0.018%) using this TDA2005 as a stereo amplifier module. Direct earth to solder lug on the IC. Small single-sided PCB. Dual log potentiometer on the input. Power supply 8 - 18VDC providing 2A for best results. Learn More - 7W mono amplifier kit$16.95
SKU: K4001
This 7 watt mono amplifier kit uses the TDA2003 IC Learn More - 8 W Power Amplifier Kit$8.95
SKU: FK1301
The power amplifier circuit uses IC Power Amp No. TDA2030, an OTL operation.
This circuit is able to amplify signal from the OTP IC voice circuit. Learn More - 8 Watt Audio Amplifier Kit$13.95
SKU: QK47
High power audio amplifier kit using TDA2002, but with a low supply voltage. Proven IC and circuit design. Heatsink supplied as well as all components! 5V - 20V DC supply voltage. Up to 11W output! Learn More - 8 Watt Power Amplifier Kit (Stereo)$11.95
SKU: FK605
A stereo 8 watt line amplifier kit that uses an IC, and provides 8 watts to each channel!To order assembled version click here: FA605 Learn More
- Announcer Chime Kit$6.95
SKU: FK920
Just like on an airplane, a chime is sounded to get your attention. Learn More -
- Audio Analyzer Kit$64.95
SKU: K8098
Give your homemade audio gear a hi-tech look with this audio analyzer kit. Learn More -
- Class AB Amp kit$15.50
SKU: QK48
Learn the basic topics of audio power amplification. Boot strapping, crossover distortion, complementary pairs, push-pull. Learn More - Condenser Microphone Kit with Pre-Amp$3.50
SKU: FK648
This kit is a small circuit with an on-board condenser mic and preamp. Learn More - DC Protection for Loudspeaker kit$9.95
SKU: K4701
DC protection kit for loudspeaker has in-line speaker protector. Learn More - Digital Voice Recorder Kit (20 - 60 sec)$21.95
SKU: FK941
Digital Voice Recorder Kit (20 - 60 sec)
Assembly required Learn More - Discrete Power Amplifier Kit 200W$26.95
SKU: K8060
Assembly Required Assembled version: VM100 Learn More - Dual Station Intercom & Door Bell Kit$11.95
SKU: FK326
This intercom kit is a mini communication tool, well known to be used at home, with a microphone which is connected to a loudspeaker to another room.
While Stocks Last
Learn More - Dual Station Intercom Kit$8.95
SKU: FK313
Dual Station Intercom kit with 2 speakers.
Assembly Required Learn More - Dynamic Microphone Preamplifier Kit$3.75
SKU: FK647
A simple circuit that preamplifies a microphone signal. Learn More - Electronic Stereo Volume Control$12.95
SKU: MK163
Use IR to remotely control your line level signal. Ideal for stereo setups, or PC to stereo. Learn More - Extended Record / Playback Kit$41.95
SKU: K8094
The K8094 kit allows you to record and play messages of up to 8 minutes long.
Assembly required Learn More - Full Distortion Effect Guitar Pedal Kit$89.95
SKU: K8113
The FUZZ Box!
Analog Guitar Effect Pedal Kit
Learn More
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