Hello. i just unpacked my unit, and when i plug it in, the led display does not come on, how do i get it to activate? is my unit broken?

I believe your unit may be broken.

Speakers a and c work but b and d do not. not even the same channel, any ideas ??

Kenneth's answer isn't correct. The subwoofer connects through the RCA port on the lower right. I'm not sure why only half of your speakers are working.

Is this unit a blue-tooth receiver or a blue-tooth transmitter?

think of it as an audio receiver through a Bluetooth or aux connection - your phone would connect to it over Bluetooth (or a stereo 3.5mm cable if your phone has a headphone jack) and send Spotify or other music to this device, which would send the audio out through speaker wires.

What is the max of watts

I'm not sure of the max watts, but it gets really loud even at 15. I have to constantly yell down to my son to "Turn It Down!"

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4 Channel Bluetooth 5.0 Amplifier with Active Subwoofer Output

Product ID: 334102681

Details

Manufacturer
Facmogu
Maximum Supply Voltage
12 Volts (DC)
Minimum Supply Voltage
12 Volts (DC)
Mounting Type
Surface Mount
Voltage
12 Volts

📶Bluetooth 5.0 with 30ft range

🔊40W RMS x4 stable output

🎚️Dual zone volume control

₨1630

Duties & taxes included

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Sold byAmazon SeychellesDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🎵 Amplify your space, own every zone.

ACTIVE SUBWOOFER READY - Dedicated output for active subwoofers delivers deep, punchy bass that transforms your audio experience.
NEXT GEN BLUETOOTH 5 0 - Enjoy lag-free streaming with a robust 30ft wireless range, compatible with all your favorite devices.
POWERFUL 4 CHANNEL OUTPUT - Drive up to 4 passive speakers with crisp, reliable 40W RMS per channel for immersive multi-zone sound.
SEAMLESS MULTI ZONE CONTROL - Independent volume knobs let you customize audio levels across different rooms or outdoor zones—perfect for dynamic social settings.
USER FRIENDLY INTERFACE REMOTE - Adjust bass, treble, and volume easily via bright LED display or remote control—comfort and convenience at your fingertips.

The Facmogu 4 Channel Bluetooth 5.0 Amplifier delivers 40W RMS per channel to power up to four passive speakers with stable, high-quality sound. Featuring dual volume controls for independent multi-zone audio, Bluetooth 5.0 connectivity with a 30ft range, and an active subwoofer output, it’s designed for versatile home, patio, or workshop setups. Easy to operate with bass/treble controls, a bright LED display, and remote control, this amplifier offers a seamless, customizable audio experience backed by a 1-year warranty.

Specifications

ASIN	B097C6BLHY
Best Sellers Rank	#37,181 in Electronics ( See Top 100 in Electronics ) #201 in Audio Component Amplifiers
Brand	Facmogu
Customer Reviews	4.1 4.1 out of 5 stars (628)
Item Highlight	RMS 40Wx4, Max 800W Home Audio Receiver \| USB/SD/AUX Inputs \| Mini Power Amp for Outdoor Speakers, Garage, Patio & Home Audio
Manufacturer	Facmogu
Mfr Part Number	A18301-MG-US
Model Number	A18301-MG-US
Warranty Description	1 Year Warranty

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TrustScore 4.5 | 7,300+ reviews

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