The TI TPA3255 amplifier chip delivers a powerful output of 2 x 300 watts at 4 ohms. Its
advanced feedback and error correction system combined with a fast gate driver ensures both
efficiency and high-quality sound performance while keeping standby power consumption under
2.5 watts. This model is an upgraded version of the BT20A and offers the ability to swap
op-amps allowing you to customize the sound signature to your preference. The standard NE5532
op-amps can be easily replaced with MUSES02 OPA2604AP or SS3602 giving you a unique audio
character. The amplifier impresses with a signal-to-noise ratio of at least 108 dB and total
harmonic distortion below 0.005 percent. The Bluetooth 5.0 connection is stable and easy to
reset by holding down the volume button for five seconds to clear pairing. The device remembers
previously connected devices and provides an audio signal upon pairing. Additionally the BT20A
Pro offers detailed sound control with adjustable bass and treble settings where the midpoint
setting provides a neutral sound without added effects. Included in the package are the BT20A
Pro amplifier Bluetooth antenna a 32V 5A power supply power cable user manual and a
24-month warranty with friendly customer service. The amplifier supports impedances from 2 to 8
ohms has both Bluetooth and RCA inputs and outputs to passive speakers as well as pre-out.
The frequency range spans from 20 Hz to 20 kHz with a tolerance of ±1.2 dB. Bluetooth range
extends up to 15 meters and audio formats supported include SBC and AAC. The unit measures
12.7 x 12.7 x 2.5 cm and can operate on DC input from 24 to 48 volts using either a 32V 5A or
48V 5A power supply.
