Premium sound. amplifier (AUD).
CH -331999. Active Noise Control (ANC). HW 31409627, 31489117, 31489712. HW 31409136, 31409545, 31409728, 31409624, 31409627, 31489117, 31489712. Without Subwoofer. Variant code: MA02. FC 21; CH 363292-, FC 22; 375008-. CH 37331-. HW 31409136, 31409545, 31409728, 31409624. FC 22; CH 137738-.