ZK-502MT Bluetooth Amplifier Board 50W + 50W 2.0 Channel Audio Amplifier

The ZK-502MT Bluetooth Amplifier Board is a compact 2.0 channel audio amplifier designed for wireless and wired audio playback applications. It supports Bluetooth connectivity and AUX input allowing easy connection to smartphones tablets laptops and other audio sources for DIY speaker systems.

The amplifier provides up to 50W + 50W output power and operates from a DC supply between 9V and 24V. It includes onboard treble and bass control knobs for adjusting audio tone and sound quality. This board is suitable for home audio projects portable speakers and DIY wireless speaker systems.

Key Features

• 2.0 channel stereo audio amplifier board
• Output power up to 50W + 50W
• Built in Bluetooth audio receiver
• AUX audio input for wired connection
• Treble and bass tone control adjustment
• Wide DC input voltage range 9V to 24V
• Compact design suitable for DIY audio systems
• Password free Bluetooth pairing

Specifications

• Model = ZK-502MT
• Amplifier Type = 2.0 channel stereo amplifier
• Output Power = 50W + 50W
• Minimum Supply Voltage = 9V DC
• Maximum Supply Voltage = 24V DC
• Typical Operating Voltage = 12V DC
• Audio Input = Bluetooth and AUX input
• Tone Control = Treble and bass control
• Board Dimensions = 3.54 x 2.36 x 1.18 inch approx

Interfaces

• VCC = DC power input positive
• GND = Power supply ground
• L IN = Left channel AUX input
• R IN = Right channel AUX input
• L OUT = Left speaker output
• R OUT = Right speaker output
• ANT = Bluetooth antenna interface