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10W 20W MP3 Sound Voice Playback Board 9CH One-for-One Control Player Module Memory Card U-Disk Audio

10W 20W MP3 Sound Voice Playback Board 9CH One-for-One Control Player Module Memory Card U-Disk Audio

Best price now

$22.00at mickcaraChecked Nov 10

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Price facts

  • Last seen at $22.00 at mickcara on Nov 10.

Our take on the 10W 20W MP3 Sound Voice Playback Board 9CH One-for-One Control Player Module Memory Card U-Disk Audio

This is a bare 50mm trigger board that plays MP3 files from a memory card or USB drive and drives a speaker through a built-in 20W Class D amplifier. It runs on 6-35VDC, takes low-level trigger signals, and has a dial switch with 8 working modes plus a volume potentiometer and a 12V warning-light output. It suits makers, installers and hobbyists building voice prompts into a project, not someone wanting a finished player. Compared with simple MP3 trigger modules, it adds the amplifier and wide voltage input, but it ships as a single board with no speaker, wiring or enclosure.

Best forMakers building voice prompts into a projectInstallers wiring triggered announcementsHobbyists who already own a speaker and power supplyBench testing of one-for-one trigger setups
Pros
  • Built-in 20W Class D amp drives 4-8 ohm, 5-20W speakers directly
  • Wide 6-35VDC input covers common 12V and 24V supplies
  • 8 selectable trigger modes via dial switch
  • Plays from memory card or USB drive up to 32GB
  • Files can be swapped over USB without removing the card
  • Small 50mm board with volume potentiometer and 12V warning-light output
Cons
  • Ships as a bare board only: no speaker, cable or enclosure
  • Storage must be FAT32, which trips up some cards and drives
  • Low-level triggering needs a signal source, not a plain switch to power
  • Documentation on the 8 modes is thin
  • 15g board with exposed parts needs mounting care

10W 20W MP3 Sound Voice Playback Board 9CH One-for-One Control Player Module Memory Card U-Disk Audio prices at every store

  • mickcaraNew

    In stockShips from China · duties may applyReturn policy

    $22.00Checked Nov 10
    Visit mickcara

About the 10W 20W MP3 Sound Voice Playback Board 9CH One-for-One Control Player Module Memory Card U-Disk Audio

It plays audio files from a memory card or a USB drive. Both must be formatted as FAT32, with a maximum of 32GB each.

The board has a built-in 20W Class D amplifier. It can directly drive 4-8 Ω speakers rated 5W to 20W. A volume potentiometer adjusts the volume, and a dial switch sets one of 8 triggering working modes. Playback is triggered by a low-level signal.

To replace the audio files, connect the board to a computer with a USB data cable. An external 12V warning light can also be connected.

Power supply
6-35VDC
Output power
5-20W
Amplifier
20W Class D
Speaker impedance
4-8 Ω
Channels
9, one-for-one control
Trigger
Low-level signal
Working modes
8, set with dial switch
Storage
Memory card up to 32GB or USB drive up to 32GB, FAT32 format
Warning light
External 12V warning light can be connected
Color
Black
Material
Plastics and metal
Dimensions
50 x 50 mm / 2.0 x 2.0 in
Weight
15 g / 0.5 oz
Package size
55 x 55 x 15 mm / 2.2 x 2.2 x 0.6 in
Package weight
18 g / 0.6 oz
In the box
1 x audio player module

Questions and answers

What do I need to get sound out of it?
A 4-8 ohm speaker rated 5-20W, a 6-35VDC power supply, and a trigger signal for the low-level input. The board has the amplifier built in, so no separate amp is needed.
How do I load audio files?
Copy MP3 files onto a memory card or USB drive formatted FAT32, up to 32GB. You can also connect the board to a computer with a USB data cable and replace files that way.
What are the 8 trigger modes for?
The dial switch selects how the board responds to triggers, such as one-for-one playback and other hold or repeat behaviors. The exact mode list is not spelled out in the product details, so check the board markings.
Can it drive a 12V warning light?
Yes. There is an output for an external 12V warning light, and the light runs at 12V regardless of the board's supply voltage.
Does it come with a speaker or case?
No. The package contains only the audio player module, so plan on a speaker, wiring and a mount of your own.
Will it work on a 24V system?
Yes, the input accepts 6-35VDC, so 12V and 24V supplies are within range. Keep the warning light on its own 12V feed.
Where is the 10W 20W MP3 Sound Voice Playback Board 9CH One-for-One Control Player Module Memory Card U-Disk Audio cheapest?
At mickcara, for $22.00, as of our latest check.

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