Key Features

2-Channel Stereo Amplification — As a stereo amp, BT20A can drive a pair of passive speakers, making it suitable for standard 2.0 or 2.1 (with subwoofer) hi-fi or home-audio setups.

Bluetooth Connectivity — Allows wireless streaming from phones, tablets, laptops, or other Bluetooth-enabled devices — convenient if you don’t want to use wires for audio sources.

Compact & Simple Design — As a small stereo amp, it’s easy to integrate into a minimalist setup: small form-factor, fewer components, and straightforward wiring. Good for desktops, small rooms, or simple living-room stereo systems.

Sufficient Power for Small/Medium Speakers — With a 100 W RMS rating (assuming proper matching with speaker impedance and sensitivity), it should adequately drive many bookshelf or small floor-standing speakers for normal listening levels.

Budget-Friendly Entry Point — Offers a relatively affordable entry into stereo amplification and speaker-based listening compared to full-feature AV receivers or high-end amps.

Description

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 Hi-Fi 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

Power supply range	12v-24v
Output Power	100W + 100W
Terminating Impedance	2Ohm – 8Ohm
Input Mode	Bluetooth and Analog
Input sensitivity	≤ 280mV
Frequency Range	20Hz – 50kHz (±2 dB)
THD	≤ 0.5%
SNR	≥ 98dB
Bluetooth Chip	ATS2853
Bluetooth Name	Fosi Audio
Bluetooth Transmission Distance	28ft
Power Supply	24V 4.5A