Product Specifications Fosi Audio BT20A PRO is an upgraded Bluetooth 5.0 HiFi stereo amplifier with PRE-OUT port, which can be used as a preamplifier. The BT20A PRO supports RCA/Bluetooth input, suitable for most passive speakers as well as active ones. It adopts TI TPA3255 high-performance Class-D power amplifier chip enabling true premium sound quality and allows ultra low distortion across the audio band. The BT20A PRO is mounted with high-power inductors.
Output Power: 300Wx2 @4Ω
Terminating Impedance: 2-8Ω
Input Mode: Bluetooth + RCA
Output Mode: Passive Speakers + Pre-out
Frequency Range: 20Hz-20kHz(±1.2dB)
THD: ≤0.005%
SNR: ≥108dB
Chip Set: TPA3255
Bluetooth Transmission Distance: Up to 50Ft
Bluetooth Transmission Format: SBC/AAC
Device Dimension: 5x5x1 inches
DC Input Range: 24-48V
Power Supply: 48V 5A
Descriptions
TI TPA3255 Chip Amplifier with 300 Watts x 2 Power Output: Advanced feedback design and high-speed gate driver error correction for efficient and high-quality audio performance, with low idle losses of <2.5W.
Upgraded High-Efficiency: A significant upgrade from the BT20A amplifier with replaceable Op-Amps for customized. You can replace the two plug-in NE5532 Op-Amps with MUSES02/OPA2604AP/SS3602 Amps to achieve a unique sound quality. With SNR≥108dB and THD≤0.005%.
Enhanced Bluetooth 5.0 Connectivity: The Bluetooth pair can be cleared by pressing and holding the volume control for five seconds. In addition, it has a memory Function for Easy Pairing and Alert Tone.
Customizable Sound with a Wide Range of Bass and Treble Controls: The BT20A Pro home audio amplifier offers a unique design for sound control. Enjoy original sound without effects by setting treble and bass effects to the middle point.
What you Get: BT20A Pro Power Amplifier x1, Bluetooth Antenna x1, 32V 5A Power Adapter x1, AC Cord x1, User Manual x1, our worry-free 24-month warranty, and friendly customer service.