does the bluetooth pairing need a passcode? I'm wanting to connect to an Amazon Echo, and it won't connect if there's a passcode

No Passcode required on mine, i use for audio on my PC.

Does that have audio interface built-in?

The listing claims "You can directly connect to the computer through the USB interface without a driver" so it should be able to function as an audio interface output without any extra kit needed. It has a DAC built in, which I have tested with bluetooth and USB drives and this works well.

Hello! does it come with the power supply? is it suitable for the uk? i was told i need 240v to 12v. thanks!

To get the full 50+50 Watt output you will need a 24v 5A power supply. I used a SMPSU ( switched mode power supply unit) 12v 5A power supply which I got from Amazon. This gives a max output of 35+35W which is more than enough for my small living room and annoy the neighbours! N.B. you have to wire these PSU's yourself.

Does the aux out disconnect the speakers

The AUX port is input and has to be plugged into the device you're playing music from. If you disconnect the aux cable, you enter bluetooth mode, it's a bit frustrating that you have this manual step every time you want to switch to bluetooth. Anyway, hope this helps

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DollaTek ZK-502M Audio Mini 2.0 Stereo 50W+50W bluetooth Digital Amplifier Module 50W*2 AMP Amplificador Home Theater AUX USB

DollaTek ZK-502M Audio Mini 2.0 Stereo 50W+50W bluetooth Digital Amplifier Module 50W*2 AMP Amplificador Home Theater AUX USB

Product ID: 335138290

Details

Manufacturer
DollaTek
Maximum supply voltage
24 Volts (DC)
Minimum supply voltage
5 Volts
Mounting type
Freestanding
Voltage
24 Volts

📶Bluetooth 5.0, 15m range

🔊50W+50W stereo power

🔋5-24V wide voltage input

€ 25.92

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Sold byAmazon GreeceDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🎧 Tiny amp, massive vibes — power your space with DollaTek ZK-502M!

COMPACT POWERHOUSE - Mini amp smaller than a card delivering a robust 50W per channel for room-filling sound.
BUILT IN PROTECTION - Overheat, overcurrent, and short circuit safeguards keep your investment safe and sound.
SEAMLESS CONNECTIVITY - Triple input modes—USB plug & play, AUX, and Bluetooth 5.0—ensuring effortless device pairing anytime.
PLUG PLAY SIMPLICITY - Intuitive connection icons eliminate manual hassle, making setup lightning fast for busy pros.
VERSATILE COMPATIBILITY - Supports 4-8Ω speakers from 10W to 100W, perfect for upgrading home theaters or desktop setups.

The DollaTek ZK-502M is a compact, high-output Bluetooth digital amplifier module delivering 50W per stereo channel. It supports wide voltage input (5-24V) and offers versatile connectivity via USB, AUX, and Bluetooth 5.0 with a 15-meter range. Designed for easy setup with printed connection icons, it powers 4-8Ω speakers from 10W to 100W and includes essential protection features like overheat and short circuit safeguards, making it an ideal upgrade for home theater and desktop audio systems.

Specifications

ASIN	B095P1KS7V
Best Sellers Rank	15,953 in Electronics & Photo ( See Top 100 in Electronics & Photo ) 54 in Hi-Fi Amplifiers
Brand	DollaTek
Country Of Origin	China
Customer Reviews	4.2 4.2 out of 5 stars (453)
Manufacturer	DollaTek
Manufacturer Part Number	ELA17579
Material	Cardboard
Maximum Output Power	50 watts
Maximum Supply Voltage	24 Volts (DC)
Minimum Supply Voltage	5 Volts
Model Number	ZK 502M
Mounting Type	Freestanding
Number of Channels	2
Number of Items	1
Output Power	50 Watts
Package Type Name	Product Kit Box" or "Equipment Kit Box
Specification Met	Industry Standards and Safety Requirements
Voltage	24 Volts

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TrustScore 4.5 | 7,300+ reviews

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The product exactly matches the description. Very satisfied with my purchase.

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€ 25.92

Duties & taxes included

In stock

Sold byAmazon GreeceDelivered 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 Greece.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

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