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Brand
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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
Down4Sound DBz8D2 Subwoofer

Down4Sound DBz8D2

2 x 2 Ω
8″ Subwoofer
fS45 Hz
SD200 cm²
QTS0.46
xmax21 mm
SPL1W80.9 dB
Bl/√RE9.46
Pmax1400 W
Down4Sound DBz8D4 Subwoofer

Down4Sound DBz8D4

2 x 4 Ω
8″ Subwoofer
fS46.2 Hz
SD210 cm²
QTS0.47
xmax21 mm
SPL1W80.8 dB
Bl/√RE9.8
Pmax1400 W
Down4Sound SB8D2 Subwoofer

Down4Sound SB8D2

2 x 2 Ω
8″ Subwoofer
fS37.1 Hz
SD210 cm²
QTS0.49
xmax21 mm
SPL1W81.3 dB
Bl/√RE7.27
Pmax1000 W
Down4Sound SB8D4 Subwoofer

Down4Sound SB8D4

2 x 4 Ω
8″ Subwoofer
fS39.6 Hz
SD210 cm²
QTS0.54
xmax21 mm
SPL1W81.3 dB
Bl/√RE7.12
Pmax1000 W
EUPHORIA ESW8D4 Subwoofer

EUPHORIA ESW8D4

2 x 4 Ω
8″ Subwoofer
fS44.9 Hz
SD201 cm²
QTS0.71
SPL1W82 dB
Bl/√RE5.59
Pmax550 W
REDCATT 81FHW Woofer

REDCATT 81FHW

4 Ω
8″ Woofer
fS39 Hz
SD201 cm²
QTS0.52
xmax9.5 mm
SPL1W85.5 dB
Bl/√RE4.35
Pmax200 W
REDCATT 8FHM Woofer

REDCATT 8FHM

4 Ω
8″ Woofer
fS38 Hz
SD206 cm²
QTS0.39
xmax9.1 mm
SPL1W88.3 dB
Bl/√RE4.32
Pmax100 W
REDCATT 8FHW Woofer

REDCATT 8FHW

4 Ω
8″ Woofer
fS41 Hz
SD202 cm²
QTS0.60
xmax13 mm
SPL1W84.3 dB
Bl/√RE3.94
Pmax400 W
REDCATT 8FR Full-range

REDCATT 8FR

4 Ω
8″ Full-range
fS53 Hz
SD214 cm²
QTS0.38
xmax4.9 mm
SPL1W93.7 dB
Bl/√RE4.03
Pmax60 W
EUPHORIA ERW8D4 Subwoofer

EUPHORIA ERW8D4

2 x 4 Ω
8″ Subwoofer
fS45.1 Hz
SD201 cm²
QTS0.53
SPL1W81.9 dB
Bl/√RE7.6
Pmax800 W
EUPHORIA ERFW8D4 Shallow Subwoofer

EUPHORIA ERFW8D4

2 x 4 Ω
8″ Shallow Subwoofer
fS47.1 Hz
SD201 cm²
QTS0.74
SPL1W81.8 dB
Bl/√RE5.78
Pmax700 W
EUPHORIA EWX8NEO Subwoofer

EUPHORIA EWX8NEO

2 x 4 Ω
8″ Subwoofer
fS50.3 Hz
SD214 cm²
QTS0.56
SPL1W81.2 dB
Bl/√RE7.04
Pmax600 W
EUPHORIA EWXB8D2 Subwoofer

EUPHORIA EWXB8D2

2 x 2 Ω
8″ Subwoofer
fS49.6 Hz
SD214 cm²
QTS0.59
xmax16.8 mm
SPL1W82.7 dB
Bl/√RE7.79
Pmax1500 W
EUPHORIA EWXB8D4 Subwoofer

EUPHORIA EWXB8D4

2 x 4 Ω
8″ Subwoofer
fS48.6 Hz
SD214 cm²
QTS0.62
xmax16.8 mm
SPL1W82.5 dB
Bl/√RE7.08
Pmax1500 W
EUPHORIA EXW8NCF Subwoofer

EUPHORIA EXW8NCF

2 x 4 Ω
8″ Subwoofer
fS52 Hz
SD214 cm²
QTS0.52
xmax20 mm
SPL1W82.6 dB
Bl/√RE8.7
Pmax2000 W
QUANTUM QPW3000/8D4 Subwoofer

QUANTUM QPW3000/8D4

2 x 4 Ω
8″ Subwoofer
fS41.1 Hz
SD191 cm²
QTS0.40
SPL1W82.8 dB
Bl/√RE7.52
Pmax1200 W
DB Drive DX-W8D2 Subwoofer

DB Drive DX-W8D2

2 x 2 Ω
8″ Subwoofer
fS41.5 Hz
SD201 cm²
QTS0.72
xmax18 mm
SPL1W80.6 dB
Bl/√RE5.22
Pmax600 W
DB Drive DX-W8D4 Subwoofer

DB Drive DX-W8D4

2 x 4 Ω
8″ Subwoofer
fS43.3 Hz
SD201 cm²
QTS0.76
xmax18 mm
SPL1W80.4 dB
Bl/√RE5.43
Pmax600 W
DB Drive DX-W8F Shallow Subwoofer

DB Drive DX-W8F

2 x 2 Ω
8″ Shallow Subwoofer
fS50 Hz
SD201 cm²
QTS0.80
xmax18 mm
SPL1W81.8 dB
Bl/√RE5.17
Pmax500 W
DB Drive WDX8G2R.2 Subwoofer

DB Drive WDX8G2R.2

2 x 2 Ω
8″ Subwoofer
fS37.6 Hz
SD201 cm²
QTS0.60
xmax13 mm
SPL1W79.1 dB
Bl/√RE7.19
Pmax1500 W
DB Drive WDX8G2R.4 Subwoofer

DB Drive WDX8G2R.4

2 x 4 Ω
8″ Subwoofer
fS39.5 Hz
SD201 cm²
QTS0.66
xmax13 mm
SPL1W79.8 dB
Bl/√RE6.41
Pmax1500 W
DB Drive WDX8G5R.2 Subwoofer

DB Drive WDX8G5R.2

2 x 2 Ω
8″ Subwoofer
fS42.5 Hz
SD201 cm²
QTS0.60
SPL1W77.9 dB
Bl/√RE8.56
Pmax1800 W
DB Drive WDX8G5R.4 Subwoofer

DB Drive WDX8G5R.4

2 x 4 Ω
8″ Subwoofer
fS44.9 Hz
SD201 cm²
QTS0.70
SPL1W78.8 dB
Bl/√RE7.32
Pmax1800 W
DB Drive X-W8D4 Subwoofer

DB Drive X-W8D4

2 x 4 Ω
8″ Subwoofer
fS42.4 Hz
SD196 cm²
QTS0.42
xmax8.5 mm
SPL1W83.1 dB
Bl/√RE7.22
Pmax300 W
LaVoce NBASS08-20-2 Woofer

LaVoce NBASS08-20-2

2 Ω
8″ Woofer
fS50 Hz
SD235 cm²
55 - 4000 Hz
QTS0.41
xmax6.7 mm
SPL1W88.9 dB
Bl/√RE5.74
Pmax400 W
LaVoce SSF082.00L-4 Subwoofer

LaVoce SSF082.00L-4

4 Ω
8″ Subwoofer
fS49 Hz
SD220 cm²
50 - 500 Hz
QTS0.41
xmax10.3 mm
SPL1W86.4 dB
Bl/√RE7.15
Pmax700 W
DS18 ZXI8.4D Subwoofer

DS18 ZXI8.4D

2 x 4 Ω
8″ Subwoofer
fS45 Hz
SD189 cm²
25 - 880 Hz
QTS0.69
SPL1W81.4 dB
Bl/√RE5.57
Pmax1200 W
DS18 ZXI8.2D Subwoofer

DS18 ZXI8.2D

2 x 2 Ω
8″ Subwoofer
fS45 Hz
SD189 cm²
25 - 880 Hz
QTS0.83
SPL1W83.1 dB
Bl/√RE5.24
Pmax1200 W
DS18 ZR8.4D Subwoofer

DS18 ZR8.4D

2 x 4 Ω
8″ Subwoofer
fS45 Hz
SD196 cm²
33 - 200 Hz
QTS0.64
SPL1W82.3 dB
Bl/√RE6.12
Pmax900 W
DS18 ZR8.2D Subwoofer

DS18 ZR8.2D

2 x 2 Ω
8″ Subwoofer
fS40 Hz
SD196 cm²
33 - 200 Hz
QTS0.57
SPL1W81.8 dB
Bl/√RE6.67
Pmax900 W
DS18 SRW8.4D Shallow Subwoofer

DS18 SRW8.4D

2 x 4 Ω
8″ Shallow Subwoofer
fS66 Hz
SD214 cm²
25 - 250 Hz
QTS0.79
SPL1W86 dB
Bl/√RE5.08
Pmax300 W
DS18 SRW8.4 Shallow Subwoofer

DS18 SRW8.4

4 Ω
8″ Shallow Subwoofer
fS64 Hz
SD214 cm²
25 - 250 Hz
QTS0.66
SPL1W86.4 dB
Bl/√RE5.55
Pmax300 W
DS18 SLC8S Subwoofer

DS18 SLC8S

2 Ω
8″ Subwoofer
fS50 Hz
SD201 cm²
35 - 4500 Hz
QTS0.79
xmax13.5 mm
SPL1W83.5 dB
Bl/√RE6.39
Pmax400 W
DS18 PSW8.4D Shallow Subwoofer

DS18 PSW8.4D

2 x 4 Ω
8″ Shallow Subwoofer
fS42 Hz
SD216 cm²
20 - 300 Hz
QTS0.84
xmax8.5 mm
SPL1W81 dB
Bl/√RE4.95
Pmax800 W
DS18 EXL-X8.4D Subwoofer

DS18 EXL-X8.4D

2 x 4 Ω
8″ Subwoofer
fS70 Hz
SD194 cm²
38 - 1000 Hz
QTS0.70
SPL1W83.8 dB
Bl/√RE7.51
Pmax1200 W
DS18 EXL-X8.2D Subwoofer

DS18 EXL-X8.2D

2 x 2 Ω
8″ Subwoofer
fS70 Hz
SD194 cm²
38 - 1000 Hz
QTS0.99
SPL1W82.3 dB
Bl/√RE8.53
Pmax1200 W
B² RAMPAGE8 D2 Subwoofer

B² RAMPAGE8 D2

2 x 2 Ω
8″ Subwoofer
fS37.5 Hz
SD202 cm²
QTS0.46
xmax20 mm
SPL1W80.7 dB
Bl/√RE8.82
Pmax2000 W
B² RAMPAGE8 D1 Subwoofer

B² RAMPAGE8 D1

2 x 1 Ω
8″ Subwoofer
fS39 Hz
SD195 cm²
QTS0.50
xmax20 mm
SPL1W81 dB
Bl/√RE7.78
Pmax2000 W
CRUNCH GTi84 Shallow Subwoofer

CRUNCH GTi84

4 Ω
8″ Shallow Subwoofer
fS42 Hz
SD214 cm²
QTS0.62
xmax15 mm
SPL1W83.2 dB
Bl/√RE5.75
Pmax400 W