100W X 2(4 ohms, 20 Hz - 20 kHz, 0.04% THD), comes with a 24V power supply. If your usage scenario is smaller, it can also drive larger speakers, such as those rated at 280 watts (8 ohms) and 320 watts (4 ohms). Please note that this is applicable only for passive speakers.
Advanced circuitry design, built-in speakers protection circuit, best for bookshelf/computer/desktop/speakers in your home;
Home integrated digital amplifier, 24-month warranty, you can return the item if you have any problems;
Small simple compact design but practical and powerful, Hi-Fi Bluetooth amplifier exclusively designed for the customers who pursue HiFi sound;
Bluetooth 5.0 core, up to 33ft connection range guarantees low signal delay. No pop, no audible noise when Bluetooth connection is established;

Specifications	Details
Power supply range	12v-24v
THD	≤ 0.5%
Frequency Range	20Hz - 20kHz (±1 dB)
SNR	≥ 98dB
Input sensitivity	≤ 280mV
Bluetooth transmission distance	28ft
Terminating impedance	2Ohm - 8Ohm
Output power	100W + 100W
Input mode	Bluetooth and Analog
Bluetooth Name	Fosi Audio
Bluetooth chip	ATS2853
Power supply	24V 4.5A

Tips: The plug of the power adapter will match the country of your delivery address.

BT20A User Manual