To the Seller, is the review correct, that the volume knob is not a master volume for the sub out?

The knobs, bass/treble/master, controls the Sub completely. Read the sub hook instructions carefully. For my example, Sony CS9 requires both the speaker's wires and amplifier's wires connect to the subwoofer on its back with the amp's sub out cable connecting to sub in. These connections ensure the sub and amp functioning as a whole unit.

Does it read normal usb flash drives like sandisk cruzer 128gb usb 2.0 flash drive?

[updated response] yes, it should work. tested it on a sandisk cruzer glide 64gb usb (2.0? not sure) works fine, not all but most (95%) the other usb drives i've test worked fine. there does seem to be an issue with some drives, like an old PNY drive (16GB USB 2.0) and/or how you format the disk, kinda works but songs will lag and pause for about 5 seconds then continue. i'm not sure if it has problems with the usb hardware version (e.g. 1.0 vs. 2.0 vs. 3.0), or the disk format (FAT vs. FAT32 vs. exFAT, **NTFS does not work**) or the USB disk size (their notes mention supporting up to 32GB). so for now i would recommend usb 3.0 or newer, 32GB, FAT32 format, i have tested all their supported (claimed) music file formats and they seem to work fine. (i mostly just use .mp3)

Seller, the bass & treble dials have no level marking so can you tell me: are they 0 to the left and +10 to the right, or, is it 0 straight up (aka 12

I assumed "straight up" was flat, i.e. +/-0db. It sounds good to me that way. Turning them to the left reducees bass/treble. Likewise, turning them to the right increases bass/treble, respectively. Hope this helps :-)

does this support aptx?

Hello. No, it doesn't support aptx.

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Douk Audio M1 PRO 320W Bluetooth Power Amplifier, 2 Channel Audio Amp, Wireless Receiver, for Home Stereo Speakers/Active Subwoofer, with Treble & Bass Control/U-Disk Music Player

Douk Audio M1 PRO 320W Bluetooth Power Amplifier, 2 Channel Audio Amp, Wireless Receiver, for Home Stereo Speakers/Active Subwoofer, with Treble & Bass Control/U-Disk Music Player

Product ID: 372179970

Details

Item dimensions L x W x H
30.8 x 25.5 x
Manufacturer
Douk Audio
Maximum supply voltage
35 Volts (DC)
Minimum supply voltage
19 Volts
Voltage
35 Volts

🎵Supports lossless audio formats

📶Bluetooth 5.0 with extended range

🔊320W max output power

COP 653489

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Description

🎧 Elevate your sound game—because your speakers deserve the M1 PRO experience!

POWERHOUSE PERFORMANCE - Delivers a robust 160W per channel to drive even demanding passive speakers with crystal-clear clarity.
SLEEK DURABLE DESIGN - Compact aluminum alloy chassis with gold-plated terminals blends style and longevity for your modern home setup.
AUDIOPHILE GRADE SOUND CONTROL - Fine-tune your listening experience with dedicated treble and bass adjustments for cinema-like immersion.
SEAMLESS WIRELESS CONNECTIVITY - Bluetooth 5.0 ensures stable, long-range streaming from all your favorite devices without dropouts.
VERSATILE MULTI SOURCE PLAYBACK - Play lossless MP3, WAV, APE, FLAC, and WMA files directly from U-disk or connect via RCA inputs effortlessly.

The Douk Audio M1 PRO is a compact yet powerful 320W Bluetooth 5.0 amplifier designed for home stereo and active subwoofer setups. Featuring a classic TDA7498E chip, it delivers 160W per channel with high-fidelity sound and zero audible noise at max output. Its versatile inputs include stereo RCA, Bluetooth, and U-disk support for multiple lossless audio formats. With treble and bass controls, a high-gain antenna for extended wireless range, and a stylish aluminum alloy build with gold-plated terminals, the M1 PRO is engineered for audiophiles seeking premium sound quality and modern connectivity.

Specifications

ASIN	B07Y8B7RBV
Brand Name	Douk Audio
Customer Reviews	4.4 4.4 out of 5 stars (633)
Included Components	1 * Power Amplifier; 1 * 32V/5A Power Supply; 1 * Manual
Item Dimensions	30.8 x 25.5 x 6.3 centimeters
Manufacturer	Douk Audio
Material Type	Aluminum alloy, Gold
Maximum Output Power	320 watts
Maximum Supply Voltage	35 Volts (DC)
Minimum Supply Voltage	19 Volts
Model	M1 PRO
Mounting Type	Surface Mount
Number of Channels	2
Number of Items	1
Number of Packs	1
Output Power	160 Watts
Package Type Name	cardboard box
Part Number	DZ071
Specification Met	FCC
Supply Current	5 Amps
Unit Count	1.0 Count
Voltage	35 Volts

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COP 653489

Duties & taxes included

In stock

Sold byAmazon ColombiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Colombia.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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