4 Channel Bluetooth Amplifier, 50W X 4 Audio Power Amp, Hi Fi Home Stereo Speaker Receiver [Douk Audio M4]
$99.99
Regular price
$142.84
-29%
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Shipping information
Our Shipping Promise
At Electroeshop, we understand that your pet supplies are important. That's why we take extra care with every package we send. All orders are shipped in double-boxes with full insurance for additional protection, ensuring your items arrive safely.
Processing & Shipping Timeline
Processing Time: Orders are processed within 1-3 business days
Domestic Delivery: Typically 3-5 business days
Please note that delivery times are estimates and may vary based on your location, weather conditions, or other unforeseen circumstances.
Shipping Destinations
Electroeshop currently only ships to the United States.
Shipping Costs
We are pleased to offer free standard shipping on all orders within the United States.
Discreet Packaging
We respect your privacy. All Electroeshop packages are shipped with complete discreet packaging. The product name, description, sender's name, and any information that hints about the contents are encrypted. Your package will arrive without any indication of what's inside, ensuring your purchase remains confidential.
Signature Requirements
Important Note: All orders valued above $250 will require a signature upon delivery for your protection.
Order Tracking
Once your order ships, you'll receive a tracking number via email so you can monitor your shipment's progress every step of the way.
Lost or Delayed Shipments
If your package is lost or significantly delayed, please contact our support team immediately, and we will assist you in resolving the issue.
Additional Security Measures
For your protection, we may contact you for additional order verification of the payment method on certain orders.
Questions or Concerns?
For details on returns and refunds, please refer to our Return Policy page. For any questions about shipping or delivery, please contact our customer service team at support@Electroeshop.com.
One Group Of Stereo Rca (Ch3 And Ch4) Can Be Used As Audio Input Or Output By Switching The Selector, To Acheive Different Demands: Ch3/Ch4 As Audio Output: 4 Groups Of Speaker Sockets Can Connect To 2 Pair Of Speakers. Besides Connect To Active Speakers, Ch3/Ch4 Also Can Connect To Another M4 Amplifier To Connect More Speakers, In This Way Multiple Amplifiers And Multiple Speakers Can Be Connected In Turn, To Achieve One Audio Signal Be Shared In Several Rooms. Ch3/Ch4 As Audio Input: One Input Corresponds To One Output (Ex. Ch1 Speaker Socket Will Output The Audio Signal That Ch1 Inputs), Which Means That Two Groups Of Stereo Audio Signal (Or 4 Groups Of Mono Audio Signal) Can Be Input At The Same Time. Notice: U-Disk Input Is Prior To Bluetooth Input, So Please Make Sure U-Disk Has Been Pulled Out If You Want Bluetooth Input. Parameters: Model: Douk Audio M4 Channel: 2.0 / 4.0 Audio Input: Bluetooth/Stereo Rca/U-Disk Audio Output: Speaker Sockets U-Disk Support Format: Mp3, Wma, Ape, Flac, Wav... U-Disk Capacity: Max 32G Bluetooth Version: 5.0 Speaker Impedance: 4-8O Max Output Power: 50W*4 (4O Load) Snr: =98Db Input Sensitivity: 0.775V Thd: 0.05%(1Khz 1W) Frequency Response: 20Hz-20Khz(3Db) Working Voltage: Dc 12-24V Color: Black Dimensions(W*D*H): 128*134*33Mm / 5.04*5.28*1.30In Net Weight: 540G / 1.19Lb Package Weight: 1100G / 2.43Lb Packing List: 1*M4 Amplifier 1*24V/4.5A Power Supply 1 Set*Raw Cable Speaker Jacks 1*Manual
⚠️ WARNING (California Proposition 65): This product may contain chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, please visit www.P65Warnings.ca.gov.
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![4 Channel Bluetooth Amplifier, 50W X 4 Audio Power Amp, Hi Fi Home Stereo Speaker Receiver [Douk Audio M4]](http://electroeshop.com/cdn/shop/files/71JiOISGTZL.jpg?v=1758656306&width=1400)
![4 Channel Bluetooth Amplifier, 50W X 4 Audio Power Amp, Hi Fi Home Stereo Speaker Receiver [Douk Audio M4]](http://electroeshop.com/cdn/shop/files/71gaBi6tw6L.jpg?v=1758656305&width=1400)
![4 Channel Bluetooth Amplifier, 50W X 4 Audio Power Amp, Hi Fi Home Stereo Speaker Receiver [Douk Audio M4]](http://electroeshop.com/cdn/shop/files/710cJAw2iLL.jpg?v=1758656305&width=1400)
![4 Channel Bluetooth Amplifier, 50W X 4 Audio Power Amp, Hi Fi Home Stereo Speaker Receiver [Douk Audio M4]](http://electroeshop.com/cdn/shop/files/71W1_jDQFML.jpg?v=1758656305&width=1400)
![4 Channel Bluetooth Amplifier, 50W X 4 Audio Power Amp, Hi Fi Home Stereo Speaker Receiver [Douk Audio M4]](http://electroeshop.com/cdn/shop/files/618e5MV9XwL.jpg?v=1748760722&width=1200)
![4 Channel Bluetooth Amplifier, 50W X 4 Audio Power Amp, Hi Fi Home Stereo Speaker Receiver [Douk Audio M4]](http://electroeshop.com/cdn/shop/files/71JiOISGTZL.jpg?v=1758656306&width=1200)
![4 Channel Bluetooth Amplifier, 50W X 4 Audio Power Amp, Hi Fi Home Stereo Speaker Receiver [Douk Audio M4]](http://electroeshop.com/cdn/shop/files/71gaBi6tw6L.jpg?v=1758656305&width=1200)
![4 Channel Bluetooth Amplifier, 50W X 4 Audio Power Amp, Hi Fi Home Stereo Speaker Receiver [Douk Audio M4]](http://electroeshop.com/cdn/shop/files/710cJAw2iLL.jpg?v=1758656305&width=1200)
![4 Channel Bluetooth Amplifier, 50W X 4 Audio Power Amp, Hi Fi Home Stereo Speaker Receiver [Douk Audio M4]](http://electroeshop.com/cdn/shop/files/71W1_jDQFML.jpg?v=1758656305&width=1200)
