15 results
Nominal diameter
SensitivitySPL1W
dB

Thiele & Small parameters

Resonance frequencyfS
Hz
Mechanical quality factorQMS
Electrical quality factorQES
Total quality factorQTS

Large signal parameters

Maximum linear excursionxmax
mm
Air volume displaced at xmaxVD
cm³
Program powerPmax
W

Voice Coil & Magnet

Nominal impedanceZ
Ω
DC resistanceRE
Ω
Force factorBl
N/A
Motor constantBl/√RE
N/√W
InductanceLE
mH
VC Diameter
mm

Diaphragm

Effective diameter
mm
Effective areaSD
cm²
Moving massMMS
g

Suspensions

StiffnessKMS
N/mm
ComplianceCMS
µm/N
Equivalent volume to CMSVAS
L
Mechanical resistanceRMS
N·s/m

Dimensions

Overall size
mm
Baffle cutout diameter
mm
Overall depth
mm
Mounting depth
mm
Volume occupied
L
Net weight
kg
Focal Sub P 25 FSE Subwoofer

Focal Sub P 25 FSE

4 Ω
10Subwoofer
fS30 Hz
SD346 cm²
QTS0.78
xmax11 mm
SPL1W81 dB
Bl/√RE6.26
Pmax560 W
Hertz MPS 250 S4 Subwoofer

Hertz MPS 250 S4

4 Ω
10Subwoofer
fS29 Hz
SD369 cm²
25 - 400 Hz
QTS0.48
xmax16.8 mm
SPL1W83.4 dB
Bl/√RE9.52
Pmax1000 W
Hertz MPS 250 S2 Subwoofer

Hertz MPS 250 S2

2 Ω
10Subwoofer
fS28 Hz
SD365 cm²
25 - 400 Hz
QTS0.41
xmax16.8 mm
SPL1W82.9 dB
Bl/√RE9.91
Pmax1000 W
Wavecor SW259WA01 Subwoofer

Wavecor SW259WA01

4 Ω
10Subwoofer
fS29 Hz
SD312 cm²
29 - 400 Hz
QTS0.46
xmax11.5 mm
SPL1W82.8 dB
Bl/√RE7.98
Pmax400 W
Rockford Fosgate P3D2-10 Subwoofer

Rockford Fosgate P3D2-10

2 x 2 Ω
10Subwoofer
fS26.6 Hz
SD360 cm²
QTS0.49
xmax15.2 mm
SPL1W82.2 dB
Bl/√RE8.66
Pmax1000 W
Hertz MP 250 D2.3 PRO Subwoofer

Hertz MP 250 D2.3 PRO

2 x 2 Ω
10Subwoofer
fS30 Hz
SD355 cm²
QTS0.54
xmax17 mm
SPL1W83.4 dB
Bl/√RE7.7
Pmax1200 W
Discontinued
Fi Car Audio SP4 12 D2 Subwoofer

Fi Car Audio SP4 12 D2

2 x 2 Ω
12Subwoofer
fS27.9 Hz
SD480 cm²
QTS0.44
xmax33 mm
SPL1W83.4 dB
Bl/√RE12
Pmax6000 W
Discontinued
Fi Car Audio SP4 12 D1 Subwoofer

Fi Car Audio SP4 12 D1

2 x 1 Ω
12Subwoofer
fS27.9 Hz
SD480 cm²
QTS0.44
xmax33 mm
SPL1W83.4 dB
Bl/√RE12
Pmax6000 W
Discontinued
Fi Car Audio SP412 v2 D2 Subwoofer

Fi Car Audio SP412 v2 D2

2 x 2 Ω
12Subwoofer
fS27.9 Hz
SD480 cm²
QTS0.44
xmax33 mm
SPL1W83.4 dB
Bl/√RE12
Pmax7000 W
Discontinued
Fi Car Audio SP412 v2 D1 Subwoofer

Fi Car Audio SP412 v2 D1

2 x 1 Ω
12Subwoofer
fS27.9 Hz
SD480 cm²
QTS0.44
xmax33 mm
SPL1W83.4 dB
Bl/√RE12
Pmax7000 W
Fi Car Audio BTL4 12 D2 Subwoofer

Fi Car Audio BTL4 12 D2

2 x 2 Ω
12Subwoofer
fS27.8 Hz
SD480 cm²
QTS0.42
xmax33 mm
SPL1W83.1 dB
Bl/√RE12.1
Pmax7000 W
Fi Car Audio BTL4 12 D1 Subwoofer

Fi Car Audio BTL4 12 D1

2 x 1 Ω
12Subwoofer
fS27.8 Hz
SD480 cm²
QTS0.42
xmax33 mm
SPL1W83.3 dB
Bl/√RE12.1
Pmax7000 W