ZK-TB21 50W+50W+100W 2.1CH Bluetooth 5.0 Subwoofer Amplifier Board Bass/Treble Control, AUX/USB Input, Overload Protection, Compact for Vehicle Amplifier (ZK-TB21)

High-Performance Audio Output Deliver crisp, powerful sound with 50W x 2 (L/R channels) + 100W (subwoofer) output. Features Bluetooth 5.0 for wireless streaming (up to 15m range) and AUX input for wired connections.
Pro Tip: Disable Bluetooth when using AUX input as Bluetooth takes priority. ^^ Universal Compatibility & Flexible Power Input Supports a wide 12-24V DC input via a standard 5.52. 1mm DC jack, compatible with most power adapters. Perfect for versatile setups, from DIY projects to professional installations. ^^ Dual Connectivity & Smart Priority Features Bluetooth 5.0 for seamless wireless streaming and a 3.5 mm AUX port for wired connections. Bluetooth mode automatically takes priority when enabled, ensuring uninterrupted wireless playback.
^^ Customizable sound control: equipped with five intuitive knobs for bass enhancement, treble adjustment, master volume and subwoofer frequency and volume adjustment, allowing users to fine tune audio output to match personal preferences or room acoustics. ^^ Robust Protection & Reliable Support Built-in safeguards include undervoltage/overvoltage protection, reverse polarity protection, and thermal shutdown to prevent damage. Backed by responsive customer service for troubleshooting and warranty assistance.