Features：

300 Watts x2 Power Output: Provided by the TI TPA3255 chip which features an advanced feedback design and proprietary high-speed gate driver error correction. In addition to excellent audio performance, TPA3255 achieves both high power efficiency and very low power stage idle losses below 2.5W.

High Efficiency: A significant upgrade from the BT20A amplifier. There're two plug-ins NE5532 Op-Amps can be replaced by MUSES02/OPA26041P/OPA2134PA Op-Amps etc. To create a different sound quality. SNR≥108dB; THD≤0.005%.

Upgraded Bluetooth 5.0 connectivity: By pressing and holding the volume control for five seconds, the Bluetooth pair can be cleared. In addition, it has a Bluetooth memory function, so it can be easily paired the next time. It also receives an alert tone.

Sound Control: With its unique design, the BT20A Pro amplifier for home audio has a wide range of bass and treble controls. Alternatively, you can turn the treble and bass effects to a middle point to listen to the original sound without effects.

Specifications：

Model：BT20A PRO

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：32V 5A / 48V 5A

Color：Gray/Blue

What‘s in the box？

BT20A Pro Power Amplifier x 1

Bluetooth Antenna x 1

32V 5A / 48V 5A Power Adapter x 1

AC Cord x 1

User’s Manual x 1