This is the MAX500, a power amplifier from PHONIC, built with passion. It's air-cooled, with a prominent, massive heat sink. It seems that audiophiles are still looking for this model even now. The items for sale are the main unit and the Japanese instruction manual. The power cord is hardwired, and the AC plug has been replaced with one for audio use. It is in working condition with no issues. There is some wear and tear, but no noticeable scratches. Specifications of the Phonic Power Amplifier MAX500: ・Studio-grade performance, low noise, wide dynamic range ・Class H high-efficiency circuit design ・Loudspeaker motion control boasting excellent damping factor ・Level knobs with detents ・Clip indicators ・RF protection, output DC offset, thermal protection ・Convection cooling system disperses heat from the heat sink and chassis ・1U rack size ・Output power: 120W @ 4 ohms, 90W @ 8 ohms stereo ・482 x 44 x 340mm (W x H x D)