First introduce the front panel functions:

1: The 5 keys on the left side of the panel are input switching keys. Then the four buttons to the right are (TAPE recording monitoring, MONO mono monitoring, PHASE INV balance output phase switching, -20db is attenuation 20db.),and then the two buttons on the right are left and right balance adjustment, volume adjustment, On the far right is the power switch.

The following introduces the pre-level parameters:

@Gain: 20DB

@Frequency response: 20HZ-40KHZ

@Input (phase line, stereo): balanced (XLR)*2, single-ended (RCA)*3

@Output: (stereo): balanced (XLR) X1, single-ended (RCA) X1

@Power supply: 30W AC 110v/220v version optional

@Power consumption: 10W

@Machine measurements: 446w*92H*280D mm

@Weight: 8KG well packaged

The performance of the FM255 preamplifier when listening to feverish music is: pure timbre, light and powerful style, appropriate bass dive, clear articulation, and natural playback. Listening to the symphony gives you the feeling of being there