Specification:
Item Type: Audio Amplifier Board
Material: PCB
Purpose: Subwoofer Power Amplifier Board
Model: ZK-TB21
Chip: TPA3116D2
Bluetooth Version: 5.0 (Unobstructed 10m / 32.8ft)
Audio Input: AUX + Bluetooth
Number Of Channels: 2.1 Channels
Input Sensitivity: 500mV
Speaker: 20-100W, 4-8
Output Power: Maximum 50W (Left And Right Channel), Maximum 100W (Subwoofer)
Protection Mechanism: Overvoltage, Undervoltage, Overheating, DC Detection, Short Circuit Protection
Features:
1High quality power amplifier board, with two audio input methods, AUX and bluetooth, and adopts 5.0 bluetooth version, which has higher transmission efficiency and longer transmission distance. 22.1 channel, the maximum output power is 250W+100W. With antenna and antenna base, the signal is better, the efficiency is high, and the anti interference ability is strong. 3It has short circuit protection, over current, over heating, and anti reverse protection to prevent it from failing completely. And when an overload occurs, the device protects itself from damage. 4Copper DC connector + shed type terminal, can withstand high current, does not generate heat, and is not easy to damage the wires. No DC head lead, compatible with the input power interface of this product. 5With bass, treble, subwoofer frequency and volume control, you can easily adjust the volume. It can be widely used in shop solicitation, home theater, speakers, etc.
Package List:
1 x Amplifier Board Module
2 x Acrylic Board
1 x Screwdriver
9 x Screw
4 x Brass Connecting Rod
4 x Brass Terminal
5 x Knob
1 x Wire Input Socket