What is the output power of this amplifier?

Each channel can output 100W(4Ω) and can drive all 3-8Ω passive speakers.

What types of audio devices is this amplifier compatible with?

It is compatible with most audio devices such as phones, computers, tablets, TVs, CD players, etc. through its Bluetooth 5.0, USB, Coaxial, Optical, or stereo RCA inputs.

What are some practical functions to simplify use?

It comes with a full-function remote control for easy adjustments from a distance, input selection and indicators to show the working status in real time, and an aluminum alloy case that is cool and unique for your desktop space.

This supports a subwoofer ?

I used a 3.5 to RCA cable to connect a sub from the aux out port and haven’t had any issues.

Is the line out variable with the volume? Or is it fixed output?

It's variable. I have the 3.5mm to split RCAs to my two subwoofers. They increase in volume with the speaker outs.

Will this work with a turntable if a preamp is used?

Hello. Yes, it can work with a turntable if you add a phono preamp between them.

Does it make the clicking noice?

Mine makes the clicking noise when switching input

Replacement remote control?

My unit did not come with a remote

Will this run 4 small speakers in a 70s camper?

You could wire the speakers in parallel as long as the ohms aren’t lower than what the amp can handle. Parallel halves the resistance when adding a second speaker to a single output. so if you wire two sets of 6 ohm to each post that’s 4 speakers at 3 ohms which this amp claims to handle 2-8 so realistically any two speakers 4 ohms and above could safely be wired in parallel on this amp. So yes you could possibly wire 4 speakers given the speakers meet the resistance requirements.

Where can I find a adapter replacement?

You might try, Parts Express. Not knowing what actual adapter you are looking for.

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Douk Audio

Douk Audio ST-01 200W Bluetooth Amplifier, 2 Channel Vacuum Tube Power Amp with USB DACCoaxial Optical InputsVU MeterTreble Bass Control for Home TheaterStereo Speakers Upgrade Version

Item #:46915100

4.7 rating

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PKR 44680

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Note: Step Down Voltage Transformer required for using electronics products of US store (110-120.). Recommended power converters Buy Now.

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HiFi clear sound with tone control

Product Details

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Item dimensions L x W x H
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Features & Benefits

Integrated amplifier with VU meter in a mini size
Vacuum tubes soften the sound and filter out digital feelings
Treble and bass knobs adjust sound styles
Can drive all 3 8Ω passive speakers outputting 100W(4Ω) each channel
Bluetooth 5.0/USB/Coaxial/Optical/Stereo RCA inputs
Full function remote control and working status indicators

Product Description

Douk Audio ST-01 200W Bluetooth Amplifier, 2 Channel Vacuum Tube Power Amp with USB DACCoaxial Optical InputsVU MeterTreble Bass Control for Home TheaterStereo Speakers Upgrade Version

Overview

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Customer Questions & Answers

Question : What is the output power of this amplifier?
Answer : Each channel can output 100W(4Ω) and can drive all 3-8Ω passive speakers.
Question : What types of audio devices is this amplifier compatible with?
Answer : It is compatible with most audio devices such as phones, computers, tablets, TVs, CD players, etc. through its Bluetooth 5.0, USB, Coaxial, Optical, or stereo RCA inputs.
Question : What are some practical functions to simplify use?
Answer : It comes with a full-function remote control for easy adjustments from a distance, input selection and indicators to show the working status in real time, and an aluminum alloy case that is cool and unique for your desktop space.
Question : This supports a subwoofer ?
Answer : I used a 3.5 to RCA cable to connect a sub from the aux out port and haven’t had any issues.
Question : Is the line out variable with the volume? Or is it fixed output?
Answer : It's variable. I have the 3.5mm to split RCAs to my two subwoofers. They increase in volume with the speaker outs.
Question : Will this work with a turntable if a preamp is used?
Answer : Hello. Yes, it can work with a turntable if you add a phono preamp between them.
Question : Does it make the clicking noice?
Answer : Mine makes the clicking noise when switching input
Question : Replacement remote control?
Answer : My unit did not come with a remote
Question : Will this run 4 small speakers in a 70s camper?
Answer : You could wire the speakers in parallel as long as the ohms aren’t lower than what the amp can handle. Parallel halves the resistance when adding a second speaker to a single output. so if you wire two sets of 6 ohm to each post that’s 4 speakers at 3 ohms which this amp claims to handle 2-8 so realistically any two speakers 4 ohms and above could safely be wired in parallel on this amp. So yes you could possibly wire 4 speakers given the speakers meet the resistance requirements.
Question : Adapter states 100-240v. i live in us, ordered in us, to us. need 110, obviously ... but only plug in box looks 240...?? did others get 110 plug?
Answer : Mine came with 110 plug.
Question : Where can I find a adapter replacement?
Answer : You might try, Parts Express. Not knowing what actual adapter you are looking for.

Customer Ratings

4.7 out of 5

197 customers ratings

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Douk Audio ST-01 200W Bluetooth Amplifier, 2 Channel Vacuum Tube Power Amp with USB DACCoaxial Optical InputsVU MeterTreble Bass Control for Home TheaterStereo Speakers Upgrade Version

The Douk Audio ST-01 200W Bluetooth Amplifier has received positive customer reviews. Customers have praised the amplifier for its incredible sound quality, versatility and features such as USB DAC, optical inputs, VU meter and tone controls. The Bluetooth connection works as advertised and users have been able to connect a subwoofer through the aux out port. It has also been reported to work with a turntable when a preamp is added. Some users have reported a clicking noise when switching input and the lack of a remote control. Despite this, the majority of users have praised this small amplifier for its big sound, warmth and reasonable price.

Pros

Incredible sound quality
Versatile features
Bluetooth connection works well
Can connect a sub through aux out port
Can work with a turntable when a preamp is added
Reasonably priced

Cons

Clicking noise when switching input
No remote control
Connections on the back can be difficult due to the small size of the unit

Important Information

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Not all the products listed on Ubuy are for sale, as Ubuy is a global search engine. Products are subject to export/trade regulations.

Douk Audio ST-01 200W Bluetooth Amplifier, 2 Channel Vacuum Tube Power Amp with USB DACCoaxial Optical InputsVU MeterTreble Bass Control for Home TheaterStereo Speakers Upgrade Version

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