**********Small simple compact design but practical and powerful, little Hi-Fi Bluetooth wireless amplifier exclusively designed for the customers who pursue HiFi sound; *****CSR Bluetooth 5.0 core, up to 50ft connection range guarantees low signal delay. No pop, no audible noise when Bluetooth connection is established; *****100W RMS X 2(4 ohms, 20 Hz - 20 kHz, 0.04 % THD), comes with 24V power supply, can drive 280watts (8 ohm), 320watts (4 ohm) speakers, (For passive speakers only, not the powered speakers. )*****Advanced circuitry design, built-in speakers protection circuit, best for bookshelf/computer/desktop/speakers in your home; *****Home integrated digital amplifier, 18-month warranty, you can return the item if you have any problems;