1. Introduction
The COSVOX Cosplay Sound Effects Module is a compact audio device designed to integrate custom sound effects, ambient tones, or music into cosplay costumes, props, and replicas. This module features 8MB of internal memory, four programmable push buttons, and versatile power and output options, allowing for creative audio enhancements in your projects.
2. Package Contents
Verify that all the following components are included in your package:
- 1 x MP3 Sound Module
- 4 x Sound Play Buttons
- 1 x Speaker Module
- 1 x AAA Battery Box
- 1 x User Guide (this document)

Image: All components of the COSVOX Sound Effects Module kit, including the sound module, battery box, speaker, and four play buttons, with labels indicating each part.
3. Product Features
The COSVOX Sound Effects Module is designed for ease of use and integration:
- Compact Design: Small, ultra-thin, and lightweight module for discreet integration into costumes and props.
- 8MB Memory: Stores multiple MP3 sound files.
- 4 Play Buttons: Each button can trigger a specific sound or sequence of sounds.
- USB-C Connectivity: For easy drag-and-drop transfer of MP3 files from a computer and alternative power source.
- Volume Control: Integrated slide switch for adjusting audio output level.
- Expandable: Sockets for optional LED lights and additional accessories.

Image: The COSVOX Sound Module held in a hand, demonstrating its small and compact size (50x50x10mm).
4. Setup and Installation
Follow these steps to set up your COSVOX Sound Effects Module:
- Insert Batteries: Open the AAA Battery Box and insert 3 AAA batteries (not included), ensuring correct polarity. Close the battery box.
- Connect Battery Box: Plug the connector from the AAA Battery Box into the 'BAT' socket on the sound module.
- Connect Play Buttons: Connect the four Sound Play Buttons into the sockets labeled 'S1', 'S2', 'S3', and 'S4' on the sound module.
- Connect Speaker: Plug the speaker module's 3.5mm jack into the 'SPK' socket on the sound module.
- Power On: The module will power on once the battery box is connected or an alternative power source is used.

Image: A detailed view of the COSVOX Sound Module with labels for its various ports, including sockets for LED on/off buttons (P1-P4), sound play buttons (S1-S4), colored LEDs (L1-L4), power socket (BAT), USB-C socket, and audio out speaker socket (SPK).
5. Operating Instructions
Once set up, operating the module is straightforward:
- Playing Sounds: Press any of the connected Sound Play Buttons (S1-S4) to trigger the corresponding MP3 sound file stored for that button.
- Adjusting Volume: Use the 'VOL +/-' slide switch located on the module to increase or decrease the audio output volume.
6. Transferring Sound Files
The module supports MP3 audio files. To transfer files:
- Connect to Computer: Use a USB-C cable (not included) to connect the module's USB-C port to your computer. The module will appear as an external drive.
- Drag and Drop: Drag and drop your desired MP3 audio files into the module's storage. Ensure the total size of your MP3 files does not exceed the 8MB memory limit.
- File Naming: Name your MP3 files '01.mp3', '02.mp3', '03.mp3', '04.mp3' to correspond with buttons S1, S2, S3, S4 respectively. If multiple files are assigned to one button, they will play sequentially.
- Eject Safely: After transferring, safely eject the module from your computer before disconnecting the USB-C cable.
7. Power Options
The COSVOX module offers two power supply methods:
- Option 1: AAA Battery Box: Use the included 3x AAA Battery Box. This provides portable power for your projects.
- Option 2: USB-C Power: Connect a USB-C cable to a portable power bank or a USB mains adapter (Input Voltage 3.3 to 6 Volts). This is ideal for longer operation or when batteries are not preferred.

Image: A diagram illustrating the two power supply options for the COSVOX Sound Module: the included 3x AAA Battery Box and an alternative USB-C connection for portable power banks or mains adapters.
8. Sound Output Options
The 3.5mm audio output socket provides flexibility for various audio setups:
- Included Speaker: Connect the provided speaker module for standard audio output.
- Sound Amplifier: Connect to an external sound amplifier for increased volume and projection.
- Large External Speaker: Use with a larger external speaker for enhanced audio quality or volume.
- Earphones: Connect standard earphones for private listening or testing.

Image: A close-up of the COSVOX Sound Module's 3.5mm sound output socket, detailing compatible connections such as the supplied speaker, sound amplifier, large external speaker, and earphones.
9. Optional Accessories
Enhance your COSVOX Sound Effects Module with separately available accessories:
- LED Light Set: Connect LED lights to the module's dedicated sockets (L1-L4) for visual effects synchronized with your sounds or independently controlled.
- Sound Amplifier: For applications requiring higher volume, an external sound amplifier can be connected.
- Palm Module: A specialized module designed for integration into gloves or wristbands, offering a sleek way to trigger sounds.

Image: Examples of optional accessories for the COSVOX Sound Module, including an LED Light Set, a Sound Amplifier, and a Palm Module, which are available for separate purchase.
10. Troubleshooting
- Module not recognized by computer: Try using a different USB-C cable. Some cables designed for charging only may not support data transfer. Ensure the cable is fully inserted.
- No sound output:
- Check battery connections and ensure batteries are fresh.
- Verify the speaker is correctly plugged into the 'SPK' socket.
- Adjust the 'VOL +/-' slide switch to increase volume.
- Ensure MP3 files are correctly named (01.mp3, 02.mp3, etc.) and stored on the module.
- Sounds are distorted or cut off:
- Check if the total file size exceeds the 8MB memory limit. Remove some files if necessary.
- Ensure MP3 files are properly encoded and not corrupted.
- Buttons not triggering sounds: Ensure the play buttons are securely connected to the 'S1-S4' sockets.
11. Specifications
| Product Dimensions | 0.6 x 4 x 3.7 inches (Module: 50x50x10mm) |
| Item Weight | 2.33 ounces (66 Grams) |
| Model Number | SM3-MP3-8MB |
| Memory Storage Capacity | 8 MB |
| Connectivity Technology | USB-C |
| Power Source | 3x AAA Batteries or USB-C (3.3-6V) |
| Supported Audio Format | MP3 |
| Compatible Devices | Laptop, Personal Computer |
| Included Components | MP3 Sound Module, 4 Sound Play Buttons, Speaker Module, AAA Battery Box, User Guide |
12. Warranty and Support
For warranty information or technical support, please refer to the product packaging or contact the manufacturer, Talking Products Ltd, directly. Details for contacting support are typically provided with your purchase documentation.



