Features:
2.1 channel Bluetooth audio power amplifier module with a maximum output power of 2 x 50W 100W.
Equipped with AU x and Bluetooth input modes, and a two-in-one power amplifier board.
Bluetooth 5.0 for higher transmission efficiency and longer distance.
Short-circuit, over-current, over-heating, and anti-reverse protection to prevent damage.
Copper DC connectors and barrier terminals for high current resistance.
Classic appearance with a multi-function main knob for easy operation.

Specifications:
Bluetooth Version: 5.0 (Unobstructed, 15 Meters)
Input Sensitivity: 500Mv
Input Method: Aux Bluetooth
Number of Channels: 2.1
Power Amplifier Chip: Domestic Power Amplifier Chip
Adapter Power Supply: Dc12-24V/5A (24V Battery Pack not Allowed)
Compatible Speakers: 20-100W, 4-8Q
Output Power: Left and Right Channels <50W; Subwoofer <100W
Protection Mechanism: Anti-Reverse Connection, Overheating, Overcurrent, Short Circuit Protection
Product Weight: 130G

Package Includes: (As per your selected option)
1 x 2.1 Channel Subwoofer Amplifier Board with Bluetooth