The M-900u has been created to bring out the best sound expression from your speaker system. 4 parallel push-pull structural output units have been connected together for a sound quality both rich in high tones with a deep bass sound. Luxman's original ODNF circuit has evolved overtime, now in version 4.0 creates a life like sound with ultra-low distortion. The large analog meter is and blasted white finish off the powerful amplifier with finesse. The BLT connection also allows the user to use the unit as an ultra-high power monaural amplifier of 600W (8Ω).