Sundown Audio U-Series 18”v2
RMS 1750 watts
Dual 2 or 4 ohm voice coils
Optimized for small ported or bandpass enclosures
Aluminum 3” voice coil former for superior heat dissipation
High-temperature copper voice coil
Double stitched surround
Heavy-duty cast basket
Spring-loaded terminals accept up to 8-gauge wire
Stitched-on heavy-duty tinsel leads
Solid pole with vent channels and aluminum shorting ring cap
Rear gap-venting
Top-Plate Cooling Channels