ZK-502M Bluetooth Stereo Digital Power Amplifier Motherboard for Superior Sound Quality

High-Performance Bluetooth Audio Amplifier

Enhance Your Audio Experience with Versatile Connectivity

This Bluetooth audio amplifier is designed for audiophiles seeking superior sound quality and multiple connectivity options. With its robust features, it caters to various audio sources, making it an ideal choice for home or professional use.

Key Features:

Multiple Input Options: Supports Bluetooth, AUX, USB flash drives, and direct computer USB connections (plug-and-play).
Power Supply Requirements: Operates on a DC voltage range of 5V to 24V; higher voltages are recommended for optimal power output.
Output Power: Delivers a powerful output of 50W per channel.
Speaker Compatibility: Suitable for speakers rated between 10W to 100W with impedance levels of 4 to 8 ohms.
Dual Channel Output: Provides left and right stereo channels for an immersive listening experience.
Advanced Bluetooth Technology: Utilizes Bluetooth version 5.0 with a transmission range exceeding 15 meters in unobstructed conditions.
Bluetooth Identification: Connects under the name “Wuzhi Audio” for easy pairing.
Safety Mechanisms: Equipped with protections against overheating, overcurrent, and short circuits to ensure safe operation.

Power Supply Voltage Specifications:

| Voltage | Speaker Impedance | Output Power |
|———|——————-|————–|
| 12V | 8 ohms | 12W +12W |
| | 4 ohms | 20W +20W |
| 15V | 8 ohms | 18W +18W |
| | 4 ohms | 30W +30W |
| … |

Compact Design:

Dimensions: Approximately (6 times6 times2.9) cm
Weight: Around (96g) including packaging

Important Note:
To achieve maximum output power, ensure sufficient audio input along with adequate power supply/current. Higher supply voltage correlates directly with increased relative power; however, speaker impedance will affect the overall sound output.

This amplifier is perfect for anyone looking to enhance their audio setup at home or in professional environments. Its versatile input options allow seamless integration into existing systems while delivering high-quality sound performance.

Shipping
This product ships from China using different shipping carriers depending on the country you purchase from and will be delivered within 7–21 business days.

Payments
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Returns And Refunds
Sometimes we may require you to return the item to receive a refund in the uncommon situation it arrives defective. In other situations when it is proven that you did not receive the item due to circumstances such as shipping carrier issues etc., you can request a full refund via your original payment method or alternatives like PayPal or cryptocurrencies by contacting us through WhatsApp email or contact form. Read our full Returns and Refunds Policy here

How To Place An Order and common questions:
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