Fosi Audio BT20A Pro Bluetooth 5.0 Amplifier, 300W x2 Wireless Amp, TPA3255 2 Channel Mini Class D Integrated Home Audio Outdoor Stereo Receiver with Bass Treble Control for Passive Speakers

Fosi Audio BT20A Pro Bluetooth 5.0 Amplifier, 300W x2 Wireless Amp, TPA3255 2 Channel Mini Class D Integrated Home Audio Outdoor Stereo Receiver with Bass Treble Control for Passive Speakers

• 300 Watts x 2 Power Output: The TI TPA3255 chip amplifier has a feedback design and high-speed gate driver error connection for efficient and quality audio performance, with a low idle loss of <2.5W
• High-Efficiency: The chip amplifier has replaceable Op-Amps for a custom approach when compared to the BT20A amplifier. Further, you can swap the 2 plug-in NE5532 Op-Amps for LME49720HA, MUSES02, OPA2604AP, OPA2134PA, LM4562, or NJM4556AD Op-Amps to achieve distinct sound qualities. It boasts an SNR≥108dB and THD≤0.005%
• Bluetooth 5.0 Connectivity: The Bluetooth pair can be removed by pressing and holding the volume control for 5 seconds, and it also has a memory function for easy pairing and an alert tone for convenience
• Custom Sound with Bass and Treble Controls: The BT20A Pro home audio amplifier has a sound control design so that you can experience sound without effects by setting treble and bass effects to the middle point
• Package Contents: The package contains a BT20A Pro power amplifier, a Bluetooth antenna, a 32V/5A power adapter, an AC cord, and a user manual

<p><b>Parameter:</b></p><p> </p><p> </p><p> </p><p> </p><p> </p><p> </p><p> </p><p>1. Power supply range: 12v-25v;</p><p> </p><p> </p><p> </p><p> </p><p> </p><p> </p><p> </p><p>2. THD: ≤ 0.5%;</p><p> </p><p> </p><p> </p><p> </p><p> </p><p> </p><p> </p><p>3. Frequency Range: 20Hz - 20kHz (±1 dB);</p><p> </p><p> </p><p> </p><p> </p><p> </p><p> </p><p> </p><p>4. SNR: ≥ 98dB;</p><p> </p><p> </p><p> </p><p> </p><p> </p><p> </p><p> </p><p>5. Input sensitivity: ≤ 280mV;</p><p> </p><p> </p><p> </p><p> </p><p> </p><p> </p><p> </p><p>6. Bluetooth transmission distance: 39ft(12m);</p><p> </p><p> </p><p> </p><p> </p><p> </p><p> </p><p> </p><p>7. Terminating impedance: 2Ohm - 8Ohm;</p><p> </p><p> </p><p> </p><p> </p><p> </p><p> </p><p> </p><p>8. Output power: 50W + 50W, 100Watt SUB;<br></p><p> </p><p> </p><p> </p><p> </p><p> </p><p> </p><p> </p><p>9. Input mode: Bluetooth and Analog;</p><p> </p><p> </p><p> </p><p> </p><p> </p><p> </p><p> </p><p>10. Bluetooth Name: Fosi Audio;</p><p> </p><p> </p><p> </p><p> </p><p> </p><p> </p><p> </p><p>11. Power supply: 19V 4.74A 90W;</p><p> </p><p> </p><p> </p><p> </p><p> </p><p> </p><p> </p><p>12. Supplied Accessories: Amplifier, Power supply, AC power cord, Manual.</p>