STRONG COMPATIBILITY: The Bluetooth amplifier board is equipped with a terminal block and a DC 2.1mm socket, which is compatible with most laptop power ports. Can directly connect to Bluetooth 5.0. and compatible with a variety of speakers. Two 20W, 30W, or 50W power amplifier boards are equipped with various speakers (4 to 8 Ω), and support Bluetooth stereo audio input and AUX audio input
EASY TO ADJUST: The built-in filter capacitor of this audio receiver module makes it available for processing sound. Knob potentiometer design, convenient to adjust power ON and OFF, V+ and V‑
ADAPTED POWER SUPPLY VOLTAGE: 5-24V (optional 9V/12V/15V18V/24V and Other Adapters, High Power Recommended High Voltage). To Noise Ratio: >90 dB. Adapted Speakers: 30W-200 W, 4Ω-8Ω
MULTIPLE PROTECTIONS: With reverse connection, overvoltage, under voltage, over temperature, short circuit, and self-recovery overheating, this bluetooth 5.0 module adapter is very easy to use. And it is preferred by the users
WIDE RANGE OF APPLICATIONS: The zk-502l mini Bluetooth amplifier module can be directly connected to Bluetooth 5.0 and used to modify speakers, power amplifiers, and automotive Bluetooth devices. It can enhance the sound quality, making it for use with a wide range of audio systems
وصف
Item Type: Power Amplifier Board
Material: PCB
Purpose: Digital Power Amplifier Board
Model: ZK-502L
Bluetooth Version: 5.0
Input Method: Bluetooth
Number Of Channels: Left and Right Dual Channels (stereo)
Bluetooth Version: 5.0 (Unobstructed, Approx. 15m/49.2ft)
Signal To Noise Ratio: >90 dB
Adapted Power Supply Voltage: 5-24V (optional 9V/12V/15V18V/24V and Other Adapters, High Power Recommended High Voltage)
Adapted Speakers: 30W-200 W, 4Ω-8Ω
Power supply voltage:
12V-8 Ω/12W+12W, 4 Ω/20W+20W
15V-8 Ω/18W+18W, 4 Ω/30W+30W
19V-8 Ω/32W+32W, 4 Ω/45W+45W
24V-8 Ω/38W+38W, 4 Ω/50W+50W
Protection Mechanism: Self Recovery Overheating Protection, Self Recovery Short Circuit Protection
Package List：
1 x Power Amplifier Board
1 x Screwdriver
9 x Screw
4 x Brass Connecting Rod
2 x Acrylic Board
1 x Knob
1 x Cable
Note:
The input voltage cannot exceed 24V, otherwise the audio amplifier module will be damaged.
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