Special Features

1. Treble and Bass Adjustment: 2.1 channel, maximum output power 2X50W+100W. By adjusting the high and low frequency knobs, you can make the sound more layered and the bass more shocking
2. Two Input Methods: It has two audio input methods: Bluetooth and 3.5mm AUX. Bluetooth 5.0 version, higher transmission efficiency, transmission distance up to 49 feet (no obstruction)
3. Protection Function: It has short circuit protection, overcurrent, overheating, and anti-reverse connection protection. When an overload occurs, the device reports the fault condition to the processor to protect itself from damage
4. Applicable: Bluetooth 5.0 power amplifier board with 36x25x10mm / 1.42x0.98x0.39in heatsink, applicable power supply DC12‑24V 5A and (24V battery pack cannot be connected), applicable speakers 20-100W, 4-8 Ω
5. Stable Performance: Bluetooth digital power amplifier module features Bluetooth 5.0 with a distance of up to 49 feet (unobstructed). Also, this amplifier board has a 3.5mm AUX sound input

Description

Product Description：
Item Type: Bluetooth Power Amplifier Board
Material: PCB
Radiator Size: Approx. 36x25x10mm /1.42x0.98x0.39in
Bluetooth Version: 5.0 (Unobstructed,15m/49.2ft)
Input Mode: Aux, Bluetooth
Number of Channels: 2.1 Channel
Input Sensitivity: 500mV
Power Amplifier Chip: Domestic PowerAmplifier Chip
Adaptation Speaker: 20-100W, 4-8Q
Mechanism: Anti Reverse Connection,Overheating and Overcurrent, Short Circuit
Applicable Power Supply: DC 12~24V 5A orMore (Can Not Connected to 24V Battery Pack)
Output Power: Left and Right Channel
Package Dimensions: 5.16 x 4.41 x 2.05inches; 6.38 ounces / 14 x 11 x 6 cm; 0.2kg

Packing list:
1 x Bluetooth Power Amplifier Board
2 x Cover Plate
9 x Screw
8 x Copper Column Assembly
5 x Knob
1 x Screwdriver
1 Adapter

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ZK-MT21 2.1 Channel Bluetooth 5.0 Audio Amplifier Board 50W X 2 +100W Mini Subwoofer Power Amp for DIY Bluetooth Speaker Home Theater

Special Features

Description

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