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 5.5 × 2.1 mm 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