CT14 Bluetooth 4.2 Stereo Amplifier Board 5W+5W Mini DIY Module
CT14 Bluetooth 4.2 Stereo Amplifier Board 5W+5W Mini DIY Module
CT14 Micro Stereo Bluetooth 4.2 Power Amplifier Board Module – 5W+5W with USB Charging Port
Upgrade your DIY speaker projects or breathe new life into an idle sound box with the CT14 Stereo Bluetooth 4.2 Power Amplifier Board Module. Compact yet powerful, this mini amplifier board delivers crisp 5W + 5W stereo output with seamless wireless connectivity — perfect for electronics enthusiasts, makers, and DIY audio builders.
Made in Mainland China.
Key Features
- Bluetooth 4.2 Compatible: Pairs effortlessly with virtually all smartphones, tablets, and Bluetooth adapters available on the market.
- 15-Meter Wireless Range: Enjoy reliable, stable wireless audio streaming up to 15 meters in open space.
- Auto-Reconnect & Auto-Play: Automatically reconnects to previously paired devices and resumes music playback — no manual steps needed.
- Class F Amplifier – 5W + 5W Output: High-efficiency dual-channel amplifier with excellent sound quality suitable for stereo speaker configurations.
- USB Sound Card Support: Plug-and-play USB sound card functionality — no drivers required.
- USB Charging Port: Integrated charging interface for lithium battery power setups (current-limiting charge mode; use with a battery with a protective plate).
- DIY & Refit Friendly: Ideal for upgrading idle speaker enclosures, building custom audio projects, or any DIY audio production.
Specifications
- Bluetooth Version: 4.2
- Output Power: 5W + 5W (Stereo)
- Maximum Working Current: 5V / 2A
- Recommended Power Supply: 3.7V–5V lithium battery (with protective plate) or 5V adapter
- Speaker Compatibility: 2–8Ω speakers, 3–10W rated
- Wireless Range: Up to 15 meters (open space)
- Device Name: DW-CT14+
- Condition: New
- Origin: Mainland China
Instructions & Usage Notes
- Supports USB sound card — free driver, plug and play (when powered by a lithium battery in normal conditions).
- This board features a dual 5W amplifier circuit. Do NOT use it in bridge mode or connect the two amplifier outputs in parallel — doing so will damage the amplifier chip.
- Compatible with 2–8Ω, 3–10W speakers. Outputs true stereo audio.
- For best sound quality, use a 5V 2A or higher power adapter.
- Recommended power source: 3.7V–5V lithium battery with a protective plate or a stable 5V adapter. Avoid unstable power sources such as dry-cell batteries, power banks, or multi-function transformers.
- When mounting the board, ensure the antenna is kept away from metal components to maintain full wireless range.
How to Connect
Enable Bluetooth on your phone or device, scan for available devices, locate "DW-CT14+", and tap to connect. Your music will begin streaming instantly.
Important Safety Note
The USB charging interface on this board uses a current-limiting charge mode without full charge management. For safe operation, always use a lithium-ion battery with a built-in protective plate. Improper use may result in damage to your battery or board.
Package Contents
- 1 × CT14 Bluetooth Amplifier Main Board
- 1 × Plug Line (connector wire)
Learn more: ENERGY STAR product efficiency guidance
Frequently Asked Questions
Q: What Bluetooth version does the CT14 amplifier board support, and which devices is it compatible with?
A: The CT14 uses Bluetooth 4.2, which is backward-compatible with most smartphones, tablets, and Bluetooth audio adapters currently on the market. Simply search for "DW-CT14+" in your device's Bluetooth settings to pair.
Q: What type of speakers can I use with this Bluetooth amplifier board?
A: This board is compatible with 2–8Ω speakers rated between 3W and 10W. It delivers 5W per channel in stereo configuration. Do not connect the two output channels in parallel, as this will damage the amplifier chip.
Q: What is the best power supply to use with the CT14 amplifier board?
A: For the best audio performance, use a stable 5V 2A (or higher) power adapter, or a 3.7V–5V lithium battery equipped with a built-in protective plate. Avoid using dry-cell batteries, portable chargers, or multi-function transformers, as unstable voltage or current can degrade sound quality or damage the board.
Q: Can I use the USB port on this board as a power supply input?
A: No. The USB port on the CT14 is designed for charging a connected lithium battery only — it cannot be used as a power supply input for the board itself. Please use a dedicated 5V adapter or lithium battery for powering the amplifier.
Production & Packaging Notice
To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.