Name: BTA20A Pro
Brand: Fosi Audio
SKU: 78802124
Price: 130 CHF
Availability: InStock

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Fosi Audio

The Fosi Audio BT20A Pro amplifier delivers powerful performance with 2 x 300 watts output at 4 ohms, driven by the TI TPA3255 amplifier chip for efficient and high-quality audio playback. This successor model to the BT20A features an advanced feedback and error correction system combined with a fast gate driver, ensuring minimal distortion and reliable operation. With a total harmonic distortion of less than 0.005 percent and a signal-to-noise ratio of at least 108 dB, the amplifier maintains audio integrity across its frequency range of 20 Hz to 20 kHz with a tolerance of ±1.2 dB. The device supports speaker impedances from 2 to 8 ohms and operates with a DC input of 24 to 48 volts, compatible with 32V 5A or 48V 5A power supplies. Bluetooth 5.0 connectivity allows for stable wireless audio streaming up to 15 meters, supporting SBC and AAC formats, with easy pairing reset by holding the volume button for five seconds. The amplifier remembers previously connected devices and signals successful pairing acoustically. A key feature is the interchangeable op-amp design, allowing for customization of the sound character by replacing the standard NE5532 op-amps with alternatives like MUSES02, OPA2604AP, or SS3602. Detailed sound control is available through adjustable bass and treble controls, with the center point providing neutral sound without additional effects. The compact unit measures 12.7 x 12.7 x 2.5 cm and includes Bluetooth and RCA inputs, as well as outputs for passive speakers and pre-out functionality. The standby power consumption remains below 2.5 watts for energy efficiency. The package includes the BT20A Pro amplifier, Bluetooth antenna, 32V 5A power supply, power cable, and user manual.

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