I use it as the C7-top from a can over 2 years now.
-What I like most as with all other d & b is the manufacturing quality and above all a monstrous performance compared the size of the boxes.
The sound is excellent. Even rgl noon on the console is powerful bass carries far.
Speakers: 18 "
Power (1 m) with D12 / E-PAC: 135 / 131 dB-SPL
Power handling (RMS / peak): 400 / 1200 W
Rponse in frquence (-5 dB): 44 Hz - 140 / 100 Hz
Speakers / Canal D12: 2
Speakers / E-PAC: 1
Dimensions mm (HxWxD): 740 x 580 x 620
Weight: 49 kg
The system consists of 4-SUB C7 and C7-TOP 2 + 2 d & b P1200 amplifier A 2 or D12
The quality-price ratio trs Good. Some say it's too expensive bcp but as a collgue say so on the D12, is speaking only of hardware rsolument professional!