Sony STR-DH750 7.2-channel receiver (145 watts per channel, 4K Pass Through, 3D, 4x HDMI IN, 1x HDMI OUT, USB, Bluetooth, NFC) (Electronics)
I have connected to the receiver personally created loudspeakers with MDF enclosure that I have set up on a 20 square meter area in our living room. On a digital receiver Technisat satellite receiver, an old Philips CD player and a LG Blu-ray player