ZK-502MT Bluetooth HiFi Stereo Amplifier, 50W+50W 2.0 Audio Channels with BT and AUX, DC 9-24V, Treble and Bass Adjustment, Bluetooth Amplifier for DIY Speakers and Home Speakers

Dual HiFi Chips for High-Quality Sound: This stereo HiFi amplifier utilizes two HiFi amplification chips with PurePath technology for ultra-high resolution. This mono Bluetooth 5.0 amplifier delivers a generous 50W+50W output power, providing powerful and crystal-clear stereo sound for your DIY speaker system. Dual Audio Inputs with Bluetooth 5.0: This Bluetooth amplifier offers AUX and Bluetooth 5.0 inputs for both wireless and wired connections. Compatible with smartphones, TVs, and laptops; simple setup for an effortless music experience. Wide Applicability and Flexible Power Supply: The Bluetooth amplifier supports an input voltage of 9V to 24V DC and is suitable for speakers from 20-200W, 4-8Ω. Ideal for audio setups of all sizes, it easily adapts to existing systems. Comprehensive Protections for Reliable Use: Built-in protections against overvoltage/undervoltage, overheating, short circuits, and reverse polarity. This Bluetooth speaker amplifier ensures safe operation and lasting performance in all applications. Optimal power matching for a perfect sound experience: Note that maximum audio power depends on sufficient input power, correct voltage, and speaker impedance. Higher impedance may reduce relative volume; consider these parameters for optimal results.