ZK-502L Bluetooth 5.0 Stereo Amplifier Board 50W+50W

The ZK-502L Bluetooth 5.0 Stereo Digital Amplifier Board is an ultra-compact, high-efficiency Class D power amplifier designed to deliver high-fidelity audio for DIY wireless speaker projects. Capable of outputting up to 50W per channel, this module utilizes advanced digital processing to ensure clean sound reproduction with minimal distortion. It features a high-quality rotary potentiometer that acts as both a smooth volume controller and a power switch, making it incredibly easy to integrate into custom enclosures.

This amplifier board is highly versatile, supporting a wide input voltage range from 9V to 24V DC, making it compatible with standard power adapters, battery packs, and automotive power systems. With its onboard Bluetooth 5.0 receiver, it offers stable, long-range wireless audio streaming from smartphones, tablets, and laptops. It is perfectly suited for building custom home audio systems, portable Bluetooth speakers, active speaker upgrades, and student electronics projects.

Features:

• Dual Channel Stereo: Delivers up to 50W + 50W dual-channel output for a rich stereo listening experience.
• Bluetooth 5.0 Connectivity: Ensures faster transmission speeds, wider range, and stable wireless audio streaming.
• Integrated Volume & Power Control: Features a high-quality potentiometer knob that controls both volume adjustment and power switching.
• Wide Voltage Input: Operates reliably on a wide DC input range from 9V to 24V.
• Robust Protection Mechanisms: Equipped with over-voltage, under-voltage, over-heating, and short-circuit protection for safe operation.
• Easy Wiring: Designed with robust screw terminals for speaker outputs and a standard DC barrel jack for power input.

Package Includes:

1 x ZK-502L Bluetooth 5.0 Digital Amplifier Board

1 x DC Male Pigtail Cable

1 x Volume Knob Cap

1 x Mounting Nut and Washer