Simple compact design but practical and powerful, little Hi-Fi Bluetooth wireless amplifier for home aduio system speaker exclusively designed for the customers who pursue HiFi sound. | Bluetooth 5.0 core, up to 50ft connection range guarantees low signal delay. No pop, no audible noise when Bluetooth connection is established. | BT20A Bluetooth stereo receiver amplifier adopts 2PCS Texas Instruments TPA3116D2 chip. The TPA3116D2 are stereo efficient and digital amplifier power stage for driving speakers, with advanced oscillator/PLL circuit employs a multiple switching frequency option to avoid AM interferences. | 100W RMS X 2(4 ohms, 20 Hz - 20 kHz, 0.04% THD), comes with a 24V power supply, can drive 280watts(8 ohms), 320watts(4 ohms) speakers.(for passive speakers only, not the powered speakers). | What You Get: BT20A home integrated digital amplifier x1, 24V/4.5A power supply x1, user manual x1, our worry-free 24-month warranty, and friendly customer service.

Parameter: 1. Power supply range: 12v-25v; 2. THD: 0.5%; 3. Frequency Range: 20Hz - 20kHz (1 dB); 4. SNR: 98dB; 5. Input sensitivity: 280mV; 6. Bluetooth transmission distance: 28ft; 7. Terminating impedance: 2Ohm - 8Ohm; 8. Output power: 100W + 100W; 9. Input mode: Bluetooth and Analog; 10. Bluetooth Name: Fosi Audio; 11. Power supply: 24V 4.5A; 12. Supplied Accessories: Amplifier, Power supply, AC power cord, Manual.