Detiails：

Output power: 90W+90W 8ohm 170W+170W 4ohm Input: Stereo RCA Input impedance: 18 kΩ Signal to noise ratio: 110DB Gain: +29 dB Size:430x80x308mm Transformer:400VA black cloth transformer Neight weight：8.25KG

Note：

This is a diy power amplifier, the amp circuit and case are refer NAP250. not the origianl Naim Power amplifier.

Package included:

Finished diy NAP250 amplifier x 1 Not included AC power cord !