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. SD capacity 32GB. 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
    (28 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 4.25 out of 5 by 28.
Rated 4 out of 5 by from Only one issue - EQI have made projects with three of these units and I like them a lot. However there is one issue users should be aware of -- the remote controls (at least mine) have a button labeled "CH-/EQ. As you might think, "EQ" is for "equalization". When this button gets pressed the sound quality changes, so the EQ function works. The problem is there is no way to tell what "setting" it is on; I want it to be on FLAT, but it's hard for me to be sure which one is the flattest. I believe there are 6 different EQ settings.
Date published: 2015-03-15
Rated 4 out of 5 by from Works great...or it did work great. I purchased two (by accident). Powered them with 18 volt laptop charger purchased from ebay. Dropped the volts with the 7805 regulator.Worked like a champ. Found all of the MP3 songs on my thumb drive, although they were in many folders with other audio format files on it. Then I got sloppy and allowed the power to the unit to touch the "exposed" 18 volt supply. Not surprisingly, the unit did not like that. (notice that I put Novice as my experience level)Anyone need a remote or the pigtails?
Date published: 2015-03-08
Rated 5 out of 5 by from 1 Day ProjectMade this into a "Music Box" to play MP3 files from a USB on my older stereo system. Lots of great quality music for a low price.
Date published: 2015-02-02
Rated 5 out of 5 by from Fully Met ExpectationsEasy to hook up. Works as advertised. Great value.
Date published: 2015-01-26
Rated 5 out of 5 by from For the price, you can't beat it!I have been working with this unit for more than 2 months on the bench, and it is surprisingly good quality for such a low price.Pros: Better fidelity, lower distortion than many bargain basement MP3 players I have tested; remote that works reliably to at least 2 meters (have not tested beyond this distance as of this writing), great output level (will drive most any amp to it's full output), and a good pair with one of those class T amps. As another reviewer has pointed out, this unit when powered off will return to the beginning of the song you were previously on prior to power being removed. This holds true even with the SD card being pulled from the slot and reinserted with the power off (I haven't yet tried the USB Drive slot as of this writing). Still have yet to test max SD card data size, but works well with 1 and 2 GB cards.Cons: Quality of Power supply can be very important. Have noticed a small backgound "motorboating" oscillation that occurs with some regulators when volume is less than full up. Turns out that there is an empty capacitor slot in the MP3 module, and tech savvy types can add your own capacitor (I used 470uf), which will cut the small noise quite a bit... but, as I said before, simply using a higher quality +5VDC power supply will kill this issue - I had even good luck with an old cell phone charger wall wart - 50 cents from a garage sale. Other issue is the documentation provided isn't comprehensive enough. I accidentally plugged the audio cable into the wrong slot (was meant to be an audio Aux input of some kind), but unit worked well once the cable was relocated.Summary: I have tested 8 different modules from different manufacturers, and nothing else came close to the quality of sound, durability, ease and flexibility of use. I'm so satisfied I've ordered more of these. In my opinion, you can't go wrong, especially if you pair up with a good Parts express Class T amp and small full range speakers, you will have a nice little system that will fill the room nicely.
Date published: 2014-12-09
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
  • 2015-03-30T07:20CST
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  • cp_1, bvpage1
  • co_hasreviews, tv_0, tr_28
  • loc_en_US, sid_320-350, PRD, sort_mostRecent
  • clientName_PartsExpressInternational

Product Q&A

Get your questions answered from other customers
who own this product or have experience with it.
If your question requires design or troubleshooting information,
please email tech@parts-expresss.com  for a prompt reply.
MP3 USB Media Card Player Module with Remote Control

Is there a way to directly play a particular mp3 file or are the files played sequentially? If the numerals on the remote are not used to play a particular mp3 file, do they have a purpose? Thanks!

Asked by: bobbyp

How do you power up this device without remote?

Asked by: eMedia4U2
Power on/off would have to be switched or disconnected at the 2 pin molex connector for ground and 5vdc
Answered by: TomI
Date published: 2015-02-09

I don't understand how to have both devices such as this and an amplifier share a power supply if one is 120vac and another is 5 vdc? Can someone describe in detail what parts I need and how to wire or a link online? This would help me greatly thanks.

Asked by: Steverondeau
You can use a 7805 voltage regulator to bring the voltage down to 5vdc. Please review the video online for further installation and wiring instructions.
Answered by: TomI
Date published: 2015-01-20

Does the unit require line of sight to the remote for the remote to operate, or can the faceplate be hidden?

Asked by: tinkertailor
This unit uses IR remote control, so line of site is required.
Answered by: MattP
Date published: 2014-12-11

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
  • 2015-03-30T07:18CST
  • bvseo_cps, prod_bvqa, vn_cps_3.1.1
  • cp_1, bvpage1
  • co_hasquestionsanswers, tq_38
  • loc_en_US, sid_320-350, PRD, sort_recentQuestionsFirst
  • clientName_PartsExpressInternational


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