CT14 5W+5W Micro USB 4.2 Stereo Bluetooth Power Amplifier Board

CT14 5W+5W Micro USB 4.2 Stereo Bluetooth Power Amplifier Board is a compact and efficient audio amplifier module designed for wireless Bluetooth audio streaming. It integrates a Class D amplifier and Bluetooth 4.2 receiver, making it ideal for DIY wireless speaker systems, portable audio setups, and battery-powered audio devices.

Key Features:

• Bluetooth 4.2 Support: Stable wireless connection with good range and low latency
• Dual Channel Output: 5W + 5W stereo audio output with clear sound quality
• Micro USB Powered: Convenient power input from power banks or USB ports
• Compact Size: Easy to embed into small enclosures or DIY speaker cabinets
• Onboard Audio Components: Includes onboard filter capacitors and power amplifier IC

Technical Specifications:

• Bluetooth Version: 4.2
• Audio Output: Stereo (2 channel) 5W + 5W at 5V
• Power Supply: 5V DC via Micro USB
• Impedance: 4Ω or 8Ω speaker compatible
• Operating Frequency: 2.4GHz
• Signal-to-Noise Ratio: ≥90dB
• Distortion: ≤0.1%

Mechanical Specifications:

• Board Type: Single-sided PCB module
• Connector Type: Micro USB + solder pads
• Speaker Terminals: Through-hole solder pads

Dimensions:

• Length: ~43mm
• Width: ~21mm
• Thickness: ~5mm (excluding components)

Pinout and Wiring:

• Micro USB: Power input (5V DC)
• Left Speaker Output: L+, L− pads
• Right Speaker Output: R+, R− pads
• Status LED: Shows Bluetooth pairing status

Datasheet Reference:

• Search online for “CT14 Bluetooth Audio Amplifier Module datasheet” or “CT14 module pinout”

Applications:

• DIY Bluetooth Speakers: Add wireless audio capability to speaker boxes
• Portable Audio Projects: Great for battery-powered stereo systems
• Embedded Audio Systems: Integrate into home automation or robot projects
• Retro Speaker Upgrade: Add Bluetooth to old speakers easily

Equivalent Models:

• XY-P15W: Bluetooth 5.0 module with similar dual 5W output
• MH-M28: Bluetooth 4.2 audio receiver with onboard amplifier
• ZS-042: Dual channel Bluetooth audio board with Micro USB power

Package Includes:

• 1 x CT14 5W+5W Micro USB Bluetooth Stereo Power Amplifier Module