ZK-502L Bluetooth 5.0 Amplifier Board 50W×2

Power your audio projects with the ZK-502L Bluetooth 5.0 Amplifier Board. This high-performance all-in-one module combines the latest Bluetooth 5.0 technology with powerful 50W stereo amplification, delivering professional audio quality with versatile connectivity options for modern audio applications.

Key Features:

• Integrated Bluetooth 5.0 receiver and high-power amplifier
• Powerful stereo output: 50W + 50W
• Latest Bluetooth 5.0 for extended range and stability
• Multiple input modes: Bluetooth, AUX, USB, TF card
• Built-in MP3/WAV/FLAC decoder for file playback
• LED digital display for track and status information
• IR remote control for convenient operation
• Independent bass and treble tone controls
• Volume control with memory function
• Wide voltage input: DC 12-24V
• High-efficiency Class-D amplification
• Built-in protection: thermal, over-current, short-circuit

Technical Specifications:

• Model: ZK-502L
• Bluetooth Version: 5.0
• Power Output: 50W × 2 (stereo at 4Ω) / 30W × 2 (at 8Ω)
• Operating Voltage: DC 12-24V
• Recommended Voltage: DC 19-24V for maximum power
• Inputs: Bluetooth 5.0, 3.5mm AUX, USB, TF/Micro SD card
• Supported Formats: MP3, WAV, WMA, FLAC, APE
• Speaker Impedance: 4-8Ω
• Frequency Response: 20Hz - 20KHz
• Efficiency: Up to 90%
• SNR: ≥90dB
• THD: <0.1%
• Display: LED digital screen
• Remote Control: IR included

Perfect For: High-power Bluetooth speaker systems, home audio amplifiers, car audio upgrades, active bookshelf speakers, multimedia entertainment systems, DIY audio projects, and any application requiring powerful wireless and wired audio with professional features and remote control!