This remarkable unit is a , 100-watt per channel, push-pull Class AB power amplifier
CONTROL FUNCTIONS: Power On/Off
POWER OUTPUT: 100 watt x 2( 8ohm), 160 wattx2( 4ohm ) RMS 1kHz
TOTAL HARMONIC DISTORTION: less than 0.05%(20watt, 1kHz)
FREQUENCY RESPONSE: (-1dB points at 50 watt) 2Hz-80kHz
INPUT SENSITIVITY ( 2 ,3,4): 0.3V
INPUT SENSITIVITY (1): phono stage
INPUT IMPEDANCE: 47k ohms
SIGNAL/NOISE: 90dB
output : RCA)
DIMENSIONS: 430(L) x 320(W) x 70(H) mm
WEIGHT: 14kg

Looks the same as the b2000x but without the Knobs