DD Audio Redline RL-PM8 84.95 EUR Available BUY Article Number: RL-PM8 Share Information Reviews Watts RMS 100-200W VCD 1.5 in. Impedance 4 Ohm Frequency Response 80Hz - 8KHz dBSPL 93dB Overall Diameter 210mm Mounting Diameter 182mm Mounting Depth 81mm.