Quantity   Component name
1 × ADAU1701 Analog Devices codec with DSP core. Does all the DSP magic and input muxing.
2 × TPA3116D2 50W Class-D audio amplifier. Simple, powerful, and quality amp. Works best at 4 ohms.
1 × WM8804 Cirrus (Wolfson) SPDIF to I2S converter
1 × BC127 Bluetooth 4.0 + EDR module with I2S and AAC/AptX decoding
2 × Tymphany BC25SC06-04 50W 4-ohm 1" tweeter
2 × Dayton Audio DS115-8 35W 8-ohm 4" woofer, 2x in parallel