? asked in Cars & TransportationCar Audio · 9 years ago

155 db's to rms what ?

ok i have a freind that has some speakers that hit 155 db's and i have a system that hits at 2400 rms what is better ??


ok what is DB for subs ??? and RSM for subs ?? what i am wanting to know is this what one is better ??

i have 2 of Kicker 04S12X2 SoloX 12" Subwoofer, 2 Ohm

Technical Details

12" woofer

5,000 watts max power

2,500 watts rms

dual 2 0hms

vers this subs

2 rockford fosgate t1 's


Nominal Basket Diameter 18", 457.2mm

Nominal Impedance

4 ohms

Power Rating

Watts 800W

Music Program 1600W

Resonance 23Hz

Usable Frequency Range 40Hz-800Hz



Magnet Weight 109 oz.

Gap Height 0.375", 9.53mm

Voice Coil Diameter 4", 101.6mm


Resonant Frequency (fs) 23Hz

DC Resistance (Re) 2.5

Coil Inductance (Le) 0.61mH

Mechanical Q (Qms) 6.41

Electromagnetic Q (Qes) 0.29

Total Q (Qts) 0.28

Compliance Equivalent Volume (Vas) 639 liters / 22.6 cu.ft.

Peak Diaphragm Displacement Volume (Vd) 556cc

Mechanical Compliance of Suspension (Cms) 0.34mm/N

BL Product (BL) 13.4 T-M

Diaphram Mass inc. Airload (Mms

2 Answers

  • 9 years ago

    You're an idiot, I really doubt that you both have that setup in your cars because if you did than you would know what rms and db is lmao

    Source(s): Years in car audio
  • Anonymous
    9 years ago

    dB is sound and RMS is the average (squared/mean/square root) wattage

    In other words: too little information.

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