For sale very good amplifier with high standart for people who knows what it is
Have a scrach on top (see in picture)

Spec
http://www.limmin.com/50.4X.PDF

pecifications
Power Supply 9-15 VCC
Stand-by Current < 2,8 A
Input Sensitivity 0,4 - 8 V
Input Impedance 48 KOhm
Output Power:
4 ohms @ 12V/14,4V 50/70 watts x 4
2 ohms @ 14,4V 120 watts x 4
mono 4 ohms @ 14,4V 240 watts x 2
Frequency Response +/- 1 dB from 10 Hz to 30KHz.
S./Noise Ratio > 90 dB
Dimensions 434mm x 187mm x 40mm
Weight 4,9 Kg
Built in Active Cross-Over
Continuously adjustable from 30Hz to 250Hz
Adaptable as low-pass/high-pass
12dB x octave mono/stereo