1 DC Level 4 15" D2 vs 2 RD Audio 12" D4 v1s

Ninja Primate
10+ year member

CarAudio.com Elite
Ok I currently have a DC Level 4 15" D2 wired at 1 ohm in a 4 cube box tuned at 33Hz. Im considering trading for 2 RD 12" D4 v1 subs rated at 600RMS, but under rated. Ill be running off of a Cadence Z1200 at 1-ohm for either setup.

Which one will be louder in terms of SPL?

Which set would be punchy in terms of SQ?

 
Original Sonance v1 motors. Dual stacked magnet, 6.75" round, cast basket, bolted down spider rings, and same cone as the Sonance v2.

Box specs:

sealed -

10" .9 cube

12" 1.25 cube

15" 2.25 cubes

ported

10" 1.33 -1.5 cubes

12" 1.75-2.25

15" 3.0-3.5

 
I have not had a personal experince with the V1 sonance but Ive been happy with the v2 also you are gaining cone area so in theory it should be louder plus the subs are more effeceint. As for SQ I couldnt compare the two i think that is install dependent though.

 
Really Im looking for an SPL setup. Ill be gaining a little trunk space and still be with a ported box and more cone area off of the same power. Ive read these are basically SPL subs, but I was really looking for personal experience.

 
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