ZK-502L Bluetooth Power Amplifier Board, 5.0 Stereo Audio Receiver for DIY Speakers, 5-24V

ZK-502L Bluetooth Power Amplifier Board 5.0 Stereo Audio Receiver Dual Channels Digital Audio Amplifier Module for DIY Speakers 5-24V

ZK-502L Bluetooth Power Amplifier Board, 5.0 Stereo Audio Receiver for DIY Speakers, 5-24V

Specification 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) 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, 4O-8O Power supply voltage: 12V-8 O/12W+12W, 4 O/20W+20W 15V-8 O/18W+18W, 4 O/30W+30W 19V-8 O/32W+32W, 4 O/45W+45W 24V-8 O/38W+38W, 4 O/50W+50W Protection Mechanism: Self Recovery Overheating Protection, Self Recovery Short Circuit Protection The amplifier module is equipped with a terminal block and a DC 2.1mm socket, which is compatible with most laptop power ports. Can directly connect to wireless Bluetooth 5.0. and compatible with a variety of speakers. The built in filter capacitor of this digital power amplifier module makes it available for processing sound. Knob potentiometer design, convenient to adjust power ON and OFF, V+ and V-. Two 20W, 30W or 50W power amplifier boards are equipped with various speakers (4 to 8 O), and support Bluetooth stereo audio input and AUX audio input. Adopt acrylic protective shell design, with reverse connection protection, overvoltage protection, undervoltage protection, over temperature protection, short circuit protection. Self recovery overheating 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.

Key Features

• ✅ Strong Compatibility: The amplifier module 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 O), and support Bluetooth stereo audio input and AUX audio input.
• ✅ Built-in Filter Capacitor: The built in filter capacitor of this digital power amplifier 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, 4O-8O.
• ✅ Mechanism: Adopt acrylic protective shell design, with reverse connection , overvoltage , undervoltage , over temperature , short circuit . Self recovery overheating .
• ✅ Wide Range Of Applications: This bluetooth speaker power amplifier board has no sound when powering on, skipping songs and pausing. It is widely used in refitting speakers, power amplifier equipment, and car Bluetooth equipment.

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