DIY Portable Boombox

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Our audiophile intern Paris Lawrence, has put together a 5$ boombox with the help of Panera’s finest baker and audio expert Adam Mcnair, using an inexpensive Pam8403 amplifier and some old parts that were laying around. If you need portable speakers, build them yourself and get more bang for your buck. This project is perfect for the classroom, anyone should be able to figure out this one.

 

 

 
 
 

 

 

Other Parts

1: 2-Channel 3W PAM8403 Audio Amplifier Board - Red
- Color: Red - Quantity: 1 - Material: Circuit board - Voltage: DC 2.5~5.5V - Output power: 3W + 3W (at 4ohm) - Noise ratio: 90dB - Efficiency: More than 90% - 2 channels 3W amplifier with PAM8403. - Output is CMOS BTL driver - Cannot change any component parameters to protect IC - The board can also powered by 5V USB power supply or 4 x 1.5V batteries - It is perfect for MP3/MP4/notebook Dimensions: 0.91 in x 0.63 in x 0.08 in (2.3 cm x 1.6 cm x 0.2 cm) Weight: 0.25 oz (7 g)...
Reg. Qty: 1
2: Speaker - 3" Diameter - 4 Ohm 3 Watt
Listen up! This 3" diameter speaker cone is the perfect addition to any audio project where you need an 4 ohm impedance and 3W or less of power. We particularly like this cone as it has 4 handy mounting tabs 60mm apart.
Reg. Qty: 2
3: Belkin F3U134-10 10 ft. Pro Series USB Extension Cable
10 ft USB Extension Cable
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4: 3.5mm Aux Cable
1m
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5: Artminds™ Oval Wooden Box
Apply your crafting genius! This unfinished wood box is ready to decorate with paint, stain, markers, stickers and much more. It makes a great jewelry box, or you can add a handle to create a unique handbag. Details: 5 3/4" x 9 11/16" x 5 23/64" Made from Paulownia wood Hinges and latch are pre-attached
Reg. Qty: 1
6: Hot Glue Gun

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7: Soldering Iron

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8: Heat Shrink Pack
Heat shrink is the duct tape of electronics, it keeps your stuff all safe and kept together. Especially when wiring and soldering, use heat shrink to add mechanical strength to cables. We use this stuff all the time and having a zip-lock bag of all the possible sizes is super handy. Pack contains four 6" pieces of the following sizes: 3/32", 1/8", 3/16", 1/4", 3/8", 1/2" 2:1 shrink ratio High-grade flexible polyolefin material UL approved...
Reg. Qty: 1
9: Optional Passive Radiator
Peerless 830878 3-1/2" Passive Radiator Brand:Peerless| Model: 830878 A useful alternative to overlong ports, passive radiators like the Peerless 830878 offer designers a well-proven method of extending and enhancing bass response. Highlights Coated paper cone with rubber surround Low resonance frequency for deepest possible bass Cosmetic surface mount steel frame matches Peerless SDS series Straight-sided frame fits into narrow enclosures and permits tight spacing Compatible with s...
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10: Dremel

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11: Solder

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DIY Portable Boombox
Dont want to pay $300+ for a pair of portable speakers? You can build your own boombox using one (or two) boards with the Pam8403 chip! They come in many different forms, starting at around a dollar.