FX-Audio D302 Pro FDA Amplifier
This FX-Audio D302 Pro amplifier is based on a STA369 amplification chip allowing it to deliver a power of 2x30W under 8Ω while taking advantage of the high efficiency allowed by its Class D architecture. The D302 Pro has the particularity of being a Full Digital, i.e. the S/PDIF or USB signal is converted into I2S by an AK4113 chip then directly amplified. This technology reduces the number of digital processes to just three steps rather than five or six on a more traditional system.
On the connector side, there is a USB-B OTG compatible with many smartphones, a Coaxial S/PDIF and a Toslink Optics, but also, more rarely for an FDA, an analog RCA input. These inputs are supported by an AKM AK4113 S/PDIF AKM interface and a CM108 USB interface, supporting PCM sampling rates up to 24bit 192kHz. The analog input is associated with an ADC PCM1808
Finally, the D302 Pro is designed to be easy to use. Its front panel includes the necessary buttons for source selection, volume adjustment and switching the unit on/off.