17 results
Brand
ATOHMAcoustic EleganceAudesAudio SystemAudioControlAurum CantusB&C SpeakerBMSBRAXBeymaBlack HydraB²CRUNCHCT SoundsCelestionCerwin VegaCiareCube AudioD.A.S. AudioDB DriveDS18Dayton AudioDown4SoundESXETONEUPHORIAEarthquakeEighteen SoundEminenceFaitalPROFaneFi Car AudioFocalFostexFountekGAS Audio PowerGLADENGRSGoldwoodGround ZeroHELIXHertzHiFonicsImage DynamicsJL AudioJensenKICKERKICXKartesianLaVoceLii AudioLowtherMATCHMD LabMONACORMTX AudioMUSWAYMarkaudioMicro-PrecisionMorelNVXNemesis AudioObertonP.AudioPHL audioPRV AudioPUNKTKILDEPURIFIPeerlessPioneerPowerBassPrecision DevicesPrideQUANTUMRCFREDCATTRENEGADERadianReckhornRockford FosgateSB AcousticsSB AudienceSEASSICASONYSTXSUPRAVOXScan-SpeakSkar AudioSoundStreamStereo IntegrityTang BandTectonicVIBE AudioVISATONVOLTWVLWavecoraccutonaudisonmivoc
Type
SubwooferWooferMid BassMid-rangeFull-rangeCoaxial2 Way2 Way Kit3 WayBass Guitar SpeakerGuitar SpeakerLow frequencyMiniatureShallow SubwooferShallow WooferShallow Mid-WooferTriaxial
Available on
Amazon.comParts Express
•
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
FaitalPRO 21XL3000 4Ω Subwoofer

FaitalPRO 21XL3000 4Ω

4 Ω
21″ Subwoofer
fS32 Hz
SD1744 cm²
30 - 1000 Hz
QTS0.22
xmax17.7 mm
SPL1W96.8 dB
Bl/√RE20.5
Pmax6000 W
Eminence NSW6021-6 Subwoofer

Eminence NSW6021-6

6 Ω
21″ Subwoofer
fS29 Hz
SD1642 cm²
25 - 600 Hz
QTS0.31
xmax21 mm
SPL1W94 dB
Bl/√RE17.3
Pmax5000 W
Eminence NSW6021-124 Subwoofer

Eminence NSW6021-124

2 x 2 Ω
21″ Subwoofer
fS30.7 Hz
SD1642 cm²
25 - 600 Hz
QTS0.32
xmax21 mm
SPL1W93.6 dB
Bl/√RE17.9
Pmax5000 W
FaitalPRO 21XL3000 8Ω Subwoofer

FaitalPRO 21XL3000 8Ω

8 Ω
21″ Subwoofer
fS30 Hz
SD1744 cm²
30 - 1000 Hz
QTS0.25
xmax17.7 mm
SPL1W96.5 dB
Bl/√RE17.7
Pmax6000 W
Dayton Audio PSS545HE-4 Subwoofer

Dayton Audio PSS545HE-4

4 Ω
21″ Subwoofer
fS28.8 Hz
SD1590 cm²
18 - 600 Hz
QTS0.27
xmax21 mm
SPL1W94.1 dB
Bl/√RE18.2
Pmax4000 W
Dayton Audio HTS545HE-4 Subwoofer

Dayton Audio HTS545HE-4

4 Ω
21″ Subwoofer
fS26.3 Hz
SD1534 cm²
18 - 500 Hz
QTS0.28
xmax21 mm
SPL1W92.5 dB
Bl/√RE19.6
Pmax4000 W
ESX VX21PRO Subwoofer

ESX VX21PRO

2 x 2 Ω
21″ Subwoofer
fS27.4 Hz
SD1662 cm²
QTS0.58
xmax23 mm
SPL1W91 dB
Bl/√RE11.4
Pmax12000 W
LaVoce SAN216.00iP Subwoofer

LaVoce SAN216.00iP

1 Ω
21″ Subwoofer
fS36 Hz
SD1690 cm²
35 - 1000 Hz
QTS0.18
xmax20.8 mm
SPL1W96.9 dB
Bl/√RE23.8
Pmax5000 W
RCF LF21X451 Subwoofer

RCF LF21X451

8 Ω
21″ Subwoofer
fS28 Hz
SD1700 cm²
28 - 1000 Hz
QTS0.37
xmax14 mm
SPL1W94.7 dB
Bl/√RE13.1
Pmax4000 W
Discontinued
RCF LF21N551 Woofer

RCF LF21N551

8 Ω
21″ Woofer
fS35 Hz
SD1700 cm²
30 - 1000 Hz
QTS0.33
xmax15 mm
SPL1W95.3 dB
Bl/√RE17.1
Pmax4000 W
Discontinued
PRV Audio 21SW4000-NDY-2 Subwoofer

PRV Audio 21SW4000-NDY-2

2 Ω
21″ Subwoofer
fS30.8 Hz
SD1924 cm²
35 - 1200 Hz
QTS0.28
xmax15 mm
SPL1W95.9 dB
Bl/√RE18.2
Pmax4000 W
LaVoce SAN215.30 Subwoofer

LaVoce SAN215.30

8 Ω
21″ Subwoofer
fS33 Hz
SD1690 cm²
30 - 1000 Hz
QTS0.33
xmax14.9 mm
SPL1W94.4 dB
Bl/√RE16.5
Pmax4000 W
LaVoce SAF214.50 Subwoofer

LaVoce SAF214.50

8 Ω
21″ Subwoofer
fS32 Hz
SD1690 cm²
30 - 1000 Hz
QTS0.44
xmax12.5 mm
SPL1W93.7 dB
Bl/√RE12.9
Pmax4000 W
B&C Speaker 21SW152 Subwoofer

B&C Speaker 21SW152

8 Ω
21″ Subwoofer
fS32 Hz
SD1680 cm²
30 - 1000 Hz
QTS0.36
xmax15 mm
SPL1W94.4 dB
Bl/√RE15.9
Pmax4000 W
B&C Speaker 21SW152 Subwoofer

B&C Speaker 21SW152

4 Ω
21″ Subwoofer
fS32 Hz
SD1680 cm²
30 - 1000 Hz
QTS0.30
xmax15 mm
SPL1W95.2 dB
Bl/√RE17.9
Pmax4000 W
B&C Speaker 21IPAL Subwoofer

B&C Speaker 21IPAL

1 Ω
21″ Subwoofer
fS37 Hz
SD1680 cm²
37 - 1000 Hz
QTS0.21
xmax22 mm
SPL1W96.6 dB
Bl/√RE22.8
Pmax5000 W