MP3 USB Media Card Player Module with Remote Control

Product Video
Add this audio USB/SD card reader to powered speakers, project amplifiers, or anywhere you need to play music from audio files located on a USB thumb drive or SD card. Full feature remote control allows you to scan, play, and control audio files from across the room.
  • Add an amplifier and power supply to create your own amplified MP3 player
  • Small footprint allows for multiple DIY project applications
Part # 
Weight: 0.15 lbs.  
List Price$39.99
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Buy 4-up$14.80
Part # 320-350
Qty:  EA
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Product Details

MP3 USB Media Card Player Module with Remote Control

This module is designed to act as a DIY source to be used in conjunction with DIY power amplifiers. The minimized faceplate allows for installation in powered speakers, project boxes, automotive and marine applications... the only limit is your imagination.

This module requires +5 volts DC which is readily found on computers, devices, and power supplies with USB ports. It is recommended that you solder the wire leads from the power connector to a USB-B female connector (please see the Related Products section). This allows for the use of a USB-A to USB-B cable  for proper connection to an active USB port for power.  

A two-wire cable connector is supplied for power. Carefully connect the two-wire cable connector to the two-pin board connector aligning the placement tab with the socket notch. Identify the proper board connector by locating the +5V and GND labels on the underside of the module's circuit board. A drop or two of superglue is recommended to permanently hold the connector is place.

Drag-and-drop MP3 files (only the MP3 audio codec at 32-320 kbps is supported) from your computer onto your storage device (USB or SD Card) for playback. It is recommended that you place songs directly into the root directory of your storage device. Cutout requirement: 2-1/2" W x 1-1/4" H.

Note: The manufacturer that supplied this part has switched to a different control that no longer has the folder up/down options.

MP3 USB Media Card Player Module with Remote Control
  • BrandParts Express
  • Part Number320-350
  • UPC844632091605
  • Product CategoryAudio Amplifier Boards & Modules
  • Unit of MeasureEA
  • Product Rating
    (23 Reviews)
  • Weight0.15 lbs.
  • California Prop 65

    Warning: California residents only. Please note per Proposition 65 that this product may contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm.

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MP3 USB Media Card Player Module with Remote Control
MP3 USB Media Card Player Module with Remote Control is rated 4.1739 out of 5 by 23.
Rated 5 out of 5 by from I've Bought 3 So Far...These little guys are great for making projects. So far I've made 3, each one going into a project box, into which I attach a power jack and audio out connectors. These work great as MP3 decks for your stereo. I have one connected to my huge home stereo and now I can play my music all day and never have to flip a CD or change a channel, etc. The sound is clear and so far there hasn't been an MP3 it won't play, in regards to sampling rate and whatnot. I'm considering making these as gifts for friends. I'll probably buy more.
Date published: 2014-09-04
Rated 2 out of 5 by from Remote failedRemote failed to operate after a few days.SD can only be formatted FTS vice NTFS.No Mp3 ID display.
Date published: 2014-07-10
Rated 5 out of 5 by from Easy integrationI added this to a backyard stereo project and was impressed with the easy integration. It came with diagrams for where the included connecting cables go and their pin definitions. The sound is clean and operation is simple. When powered off mid-track, it will start at the beginning of that track once power is reapplied. It works as advertised.
Date published: 2014-06-05
Rated 4 out of 5 by from Create an iTunes playlistI’m glad I waited a bit to write this review. This device works exactly as advertised but I questioned the real world use of this player. With all the streaming applications out there and iTunes, at first I didn’t really see a use for this other than charging a cell phone or iPod. I buy most of my songs through iTunes and this card reader only plays mp3’s. Here’s a few steps that on how to create an mp3 playlist in iTunes and transfer them to an SD card. Open iTunes Preferences. Windows: Choose Edit > Preferences and Mac: Choose iTunes > Preferences. Click the General button, then click the Importing Settings button in the lower section of the window. From the Import Using pop-up menu, choose “mp3 encoder”. For higher quality playback, under the Setting menu choose “custom”. Under the Stereo Bit Rate menu choose “256kbps”. Hit “OK” 3 times to save changes. Next create a new playlist of the songs you want to rip to mp3 format. Select all songs in the new playlist and right click. Choose “Create mp3 version” from the menu. Once iTunes is done converting all files you can search for them. Sorting by “date created” or “mp3” works well. Once you have all the mp3 files selected copy them to you SD card and you’re in business. Now instead of having your phone plugged in or an iPod you can have all your music at the flip of a switch. I have mine paired with a DT1A amp, 5V regulator and a 4500mah lithium Ion battery. I put the mp3 player on a separate SPST switch and spliced in a 3.5mm headphone jack input.
Date published: 2014-05-27
Rated 5 out of 5 by from Works exactly as advertisedBought this to integrate into a mp3 stuffed animal toy I'm making for my nephew -- I wired it up to an LM386 and my 7805 5V regulator and bammo tunes... works flawlessly -- the wiring diagram that came with the unit is especially useful and greatly appreciated! A+++ guys! :)
Date published: 2014-01-21
Rated 5 out of 5 by from Works Great!This unit does exactly what the ad claims. The complaints of poor documentation is justified - even worse, the unit has changed and the documentation has not been updated. The audio output is via a 4-Pin plug and there are 2 spots that it will fit. I tried the wrong one first, but it did not seem to harm the unit - when I tried to other it worked fine. If you need a card player like this there does not seem to be much else available. This reader does exactly what I need.
Date published: 2013-07-12

Product Q&A

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who own this product or have experience with it.
If your question requires design or troubleshooting information,
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MP3 USB Media Card Player Module with Remote Control

How does the volume control work?

Asked by: Hemy03

I'm getting constant noise I'm not sure why. I'm using a car phone charger hooked up to 24v batteries. I also tried it with a 5v adapter and there is less noise but still some. I have it hooked up to the 2x50w tda7492 amplifier 320-301

Asked by: Brandon89
Please contact our tech support for more help with this question, tech@parts-express.com or 800-338-0531 x1.
Answered by: MattP
Date published: 2014-07-22

what's the wattage into a 4Ohm load??

Asked by: speakerfreak1
This is just a source and does not have an amplifier included.
Answered by: Chrisf
Date published: 2014-06-02

work with MP3 players?

I have a Sony MP3 player. when plugged into a PC it looks like a USB drive. Is this USB player compatable with Sony etc MP3 players or is it stricly for use with thumb drives etc?
Asked by: musicgeek
I am sorry, I do not have any way to test that. It will work with normal usb drives though.
Answered by: Chrisf
Date published: 2013-10-16

Can multiple units be synched to start at same time via hardwire connection or can one remote control multiple units at the same time?

Asked by: the beatcatcher
I have not tried to control multiple units with one remote, but believe this would work. A hard wired connection definitely would work, using the ADKEY connection to a multipole switch to the specified resistance, to ground.
Answered by: Doc Jones
Date published: 2013-10-13

Possible Repeat Fuctionality Experiment?

I had a darn similar cheap usb sd player like this at one point, has anyone tried holding the source button or play pause till the unit resets? mine would do this and then it would be in random mode or perhaps enabled the random mode to be selected with the remote I don't remember exactly which because, I left it in random mode always. I do know the button press reset was not possible through the remote I had to use the face plate buttons...anyway the unit got lost/stolen and I'm hoping this is the same one so if someone who owns it could please try it and tell me I would be highly appreciative.If not I was thinking of hooking up a xtra cheap 8pin? mcu to have it send remote signals for pseudo random numbers of tracks or hit the skip track randomx times etc. either that or order another one from amazon and hope I get as lucky this time because no random gets old eventuallyALSO @ PE perhaps you could add some higher quality shots of the board top/bottom so we could see the silk screen labels and perhaps the chipset
Asked by: Will0123456789
I have experimented with this device, and it does not reset or go into random mode with prolonged activation of either the USB/SD control or the PLAY/PAUSE control. There is a repeat function available from the remote control that will repeat the current selection once, then reset.There are no silk screen markings on the board, and the processing chip is not marked. The assembly is marked as M20002002, and there is some Chinese documentation on the web for this assembly.As far as I have discovered, there is no remote control code listing for this device, so attaching a microcontroller to provide control codes to the device via connecting into the output lead of the IR sensor would be tricky, at best.As yet I have not found a programmable remote control that can learn the codes from the supplied remote. A recent model Logitech Harmony model was able to learn a few, but not all, of the commands.The good news is that, if its output is fed into a high input impedance buffer amplifier, the output of this device when decoding high quality MP3 files is truly audiophile grade. The only caveat is that some USB drives (appearing to be those with flashing LEDs indicating activitiy) add low frequency osciallations to the output signal that can be heard through high sensitivity earphones. This nuisance can be overcome by attenuating the output signal to the headphones, then turning up the gain of the buffer amp.This background noise does not occur using SD cards.I have built a variety of MP3 player boxes using this device and a buffer amp design based on low cost op-amp chips, AC coupled. Certain of these chips will drive headphones very successfully; others will only drive high impedance inputs (i.e. other stereo equipment).
Answered by: Doc Jones
Date published: 2013-09-30


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