Does it come with the power supply?

It does not come with a power supply.

what would the advantage of this be over a simple potentiometer? (and normal vs. BVC operation). any additional gain?

This is a analog audio and bluetooth audio 2-in-1 volume controller. There is a digital potentiometer and an MCU onboard. A potentiometer can only adjust analog audio. BVC can control the bluetooth chip directly, and without additional noise added or captured. There is no additional gain or amplification. This device does not modify sound quality.

Does this come with the cable to connect to an appropriately equipped tiny sine bluetooth board

Yes, but power supply is not included.

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Fully operational. Shipping worldwide, on schedule.Customs & duties included in the price

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TSA1010 - Digital Audio Volume Controller

TSA1010 - Digital Audio Volume Controller

Product ID: 47222497

Description

Descriptions:TSA1010 is a digital stereo Bluetooth/Single-ended audio volume controller board. It has two 3.5mm audio jack and a BVC port(Only for some Tinysine Bluetooth amplifier board). You can use it to control any normal amplifier board audio volume. The audio out signal will increase/decrease when user rotating the knob, Bluetooth audio volume control port will also output an increase/decrease control signal.Features: - Size: 6.6cm x 3.8cm- Bluetooth audio volume control- Singal-ended audio volume control- External audio volume knob- Working voltage: DC8V~39VApplications: - Personal computer- Background music system- Musical instrument amplifiers- Home DIY- Car audio

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