18″ Subwoofers

All 265 18″ car subwoofers in our database (43 brands): Thiele/Small specs, mounting depth and a recommended box for each model. Typical size: 2.58 ft³ sealed, 4.66 ft³ ported.

265models

43brands

2.58 ft³typical sealed

4.66 ft³ · 32 Hztypical ported

11 1/4″typical mounting depth

How to size a box for a 18″ sub →

Size

Voice coils

Ω per coil

Qts

265 models

Model	Size	Voice coils	Fs, Hz	Qts	Vas, ft³	Xmax, in	RMS, W	Box, ft³ · Hz
American Bass GF-1811	18″	dual 1 Ω	30.9	0.51	3.47	1.18	3,000	Sealed 2.40 Ported 2.83 · 34
American Bass GF-1822	18″	dual 2 Ω	30.7	0.54	3.24	1.18	3,000	Sealed 2.68 Ported 2.79 · 34
American Bass GODZILLA-1811	18″	dual 1 Ω	27.7	0.35	1.66	0.89	4,700	Sealed 2.37 Ported 5.44 · 30
American Bass GODZILLA-1822	18″	dual 2 Ω	30.3	0.50	2.47	0.89	4,700	Sealed 2.37 Ported 2.93 · 33
American Bass HD-1822 !	18″	dual 2 Ω	35	0.72	3.53	0.83	2,000	Sealed 4.31 Ported 3.00 · 34
American Bass KING-1811	18″	dual 1 Ω	43.1	0.77	1.07	0.89	6,500	Sealed 2.58 Ported 2.93 · 34
American Bass VFLCOMP-1811 !	18″	dual 1 Ω	33.6	0.48	3.13	1.08	5,000	Sealed 2.12 Ported 2.86 · 34
American Bass VFLCOMP-1822	18″	dual 2 Ω	32.9	0.50	3.11	1.08	5,000	Sealed 2.12 Ported 2.75 · 34
American Bass XMAXXX-1811	18″	dual 1 Ω	31.8	0.53	1.89	0.89	4,000	Sealed 2.24 Ported 2.79 · 34
American Bass XMAXXX-1822	18″	dual 2 Ω	32.5	0.44	1.66	0.89	4,000	Sealed 2.24 Ported 2.79 · 34
Ascendant Audio Havoc 18 D1	18″	dual 1 Ω	28.5	0.57	4.91	1.30	2,750	Sealed 4.27 Ported 3.92 · 31
Ascendant Audio Havoc 18 D2	18″	dual 2 Ω	28	0.56	4.87	1.30	2,750	Sealed 4.27 Ported 3.88 · 31
Ascendant Audio Mayhem 18 D1	18″	dual 1 Ω	35.4	0.48	2.35	1.42	4,500	Sealed 1.70 Ported 3.00 · 34
Ascendant Audio Mayhem 18 D2	18″	dual 2 Ω	35.1	0.48	2.34	1.42	4,500	Sealed 1.70 Ported 3.00 · 34
Ascendant Audio SMD Signature 18 D1	18″	dual 1 Ω	29.7	0.30	4.04	1.26	3,500	Sealed 2.95 Ported 5.54 · 33
Ascendant Audio SMD Signature 18 D2	18″	dual 2 Ω	29.7	0.30	4.04	1.26	3,500	Sealed 2.95 Ported 5.54 · 33
Ascendant Audio SMD V2 18 D1	18″	dual 1 Ω	33.7	0.31	2.17	1.38	5,000	Sealed 2.95 Ported 5.54 · 34
Ascendant Audio SMD V2 18 D2	18″	dual 2 Ω	34.2	0.31	2.17	1.38	5,000	Sealed 2.95 Ported 5.54 · 34
Ascendant Audio TEAM 18 D1	18″	dual 1 Ω	31.6	0.38	3.17	1.30	4,000	Sealed 2.30 Ported 5.54 · 34
Ascendant Audio TEAM 18 D2	18″	dual 2 Ω	31.7	0.38	3.17	1.30	4,000	Sealed 2.30 Ported 5.54 · 34
Audiobahn AW1805Q	18″	dual 2 Ω	23.2	0.41	4.70	1.02	1,200	Sealed 1.62 Ported 3.74 · 30
Audiobahn AW1805X	18″	—	21.9	0.41	5.01	0.98	1,200	Sealed 1.77 Ported 4.03 · 30
Audiobahn AWT18X	18″	—	20.4	0.53	4.63	0.91	4,000	Sealed 3.64 Ported 3.71 · 30
Audiopipe TXX-BD2W-18	18″	dual 4 Ω	28	0.40	6.00	0.28	1,500	Sealed 1.98 Ported 5.12 · 31
Audioque HDC318-A D1	18″	dual 1 Ω	31	0.43	3.85	—	1,000	Sealed 1.70 Ported 3.07 · 34
Audioque HDC418-D1-A	18″	dual 1 Ω	40.4	0.44	1.71	—	2,000	Sealed 1.80 Ported 2.51 · 34
Avatar Doomsday 18 D1	18″	dual 1 Ω	29	0.45	2.70	0.79	3,500	Sealed 2.37 Ported 2.90 · 32
Avatar Doomsday 18 D2	18″	dual 2 Ω	30	0.49	2.67	0.79	3,500	Sealed 2.37 Ported 2.90 · 33
B2 Audio HNx18v3 D2	18″	dual 2 Ω	34	0.81	3.62	1.18	2,000	Sealed 4.13 Ported 2.90 · 34
B2 Audio ISx18 D1	18″	dual 1 Ω	30.3	0.74	5.10	0.98	1,000	Sealed 4.13 Ported 4.10 · 33
B2 Audio XM18v2 D1	18″	dual 1 Ω	33.3	0.67	2.33	1.18	3,000	Sealed 4.13 Ported 2.90 · 34
Crescendo Audio Contralto 18 D1	18″	dual 1 Ω	22.5	0.33	9.57	1.02	2,500	Sealed 2.31 Ported 5.33 · 30
CT Sounds TROPO-18 D2	18″	dual 2 Ω	22.3	0.77	6.98	0.53	650	Sealed 3.99 Ported 5.26 · 28
CT Sounds TROPO-18 D4	18″	dual 4 Ω	23.4	0.75	6.83	0.53	650	Sealed 3.99 Ported 5.26 · 28
Dayton Audio RSS460HO-4	18″	4 Ω	18.8	0.32	9.61	0.50	900	Sealed 1.87 Ported 3.60 · 30
Dayton Audio SS18-22	18″	dual 2 Ω	21	0.37	7.91	1.02	1,300	Sealed 2.22 Ported 5.44 · 30
Dayton Audio UM18-22	18″	dual 2 Ω	26.2	0.70	5.12	0.87	1,000	Sealed 4.31 Ported 4.10 · 30
Dayton Audio UMII18-22	18″	dual 2 Ω	22	0.53	8.77	1.10	1,200	Sealed 4.17 Ported 5.44 · 30
DC Audio Level 3 18 D1	18″	dual 1 Ω	35.1	1.22	3.44	0.91	1,000	Sealed 4.17 Ported 2.90 · 34
DC Audio Level 3 18 D2	18″	dual 2 Ω	35.1	1.22	3.44	0.91	1,000	Sealed 4.17 Ported 2.90 · 34
DC Audio Level 3 18 D4	18″	dual 4 Ω	35.1	1.22	3.44	0.91	1,000	Sealed 4.17 Ported 2.90 · 34
DC Audio Level 3 M3 18 D1	18″	dual 1 Ω	30.4	0.66	6.55	0.91	1,000	Sealed 4.31 Ported 5.23 · 33
DC Audio Level 3 M3 18 D2	18″	dual 2 Ω	30.4	0.66	6.55	0.91	1,000	Sealed 4.31 Ported 5.23 · 33
DC Audio Level 3 M3 18 D4	18″	dual 4 Ω	30.4	0.66	6.55	0.91	1,000	Sealed 4.31 Ported 5.23 · 33
DC Audio Level 4 18 D1	18″	dual 1 Ω	34	0.94	3.14	0.93	1,500	Sealed 4.17 Ported 2.90 · 34
DC Audio Level 4 18 D2	18″	dual 2 Ω	34	0.94	3.14	0.93	1,500	Sealed 4.17 Ported 2.90 · 34
DC Audio Level 4 18 D4	18″	dual 4 Ω	34	0.94	3.14	0.93	1,500	Sealed 4.17 Ported 2.90 · 34
DC Audio Level 4 M3 18 D1	18″	dual 1 Ω	26.4	0.70	6.19	0.93	1,500	Sealed 4.31 Ported 4.94 · 30
DC Audio Level 4 M3 18 D2	18″	dual 2 Ω	26.4	0.70	6.19	0.93	1,500	Sealed 4.31 Ported 4.94 · 30
DC Audio Level 4 M3 18 D4	18″	dual 4 Ω	26.4	0.70	6.19	0.93	1,500	Sealed 4.31 Ported 4.94 · 30
DC Audio Level 6 M5 18 D0.7	18″	dual 0.7 Ω	28.2	0.35	2.91	1.34	4,500	Sealed 2.54 Ported 5.33 · 31
DC Audio Level 6 M5 18 D1	18″	dual 1 Ω	28.2	0.35	2.91	1.34	4,500	Sealed 2.54 Ported 5.33 · 31
DC Audio Level 6 M5 18 D2	18″	dual 2 Ω	28.2	0.35	2.91	1.34	4,500	Sealed 2.54 Ported 5.33 · 31
DC Audio Level 6 M6 18 D0.7	18″	dual 0.7 Ω	26.4	0.48	3.13	1.34	4,500	Sealed 2.75 Ported 2.86 · 30
DC Audio Level 6 M6 18 D1	18″	dual 1 Ω	26.4	0.48	3.13	1.34	4,500	Sealed 2.75 Ported 2.86 · 30
DC Audio Level 6 M6 18 D2	18″	dual 2 Ω	26.4	0.48	3.13	1.34	4,500	Sealed 2.75 Ported 2.86 · 30
DC Audio NEO 4.0 18 D0.7	18″	dual 0.7 Ω	30.4	0.34	2.37	1.34	4,500	Sealed 2.54 Ported 5.33 · 33
DC Audio NEO 4.0 18 D1	18″	dual 1 Ω	30.4	0.34	2.37	1.34	4,500	Sealed 2.54 Ported 5.33 · 33
DC Audio NEO 4.0 18 D2	18″	dual 2 Ω	30.4	0.34	2.37	1.34	4,500	Sealed 2.54 Ported 5.33 · 33
DC Audio XL-Elite 18 D1	18″	dual 1 Ω	27.9	0.58	4.56	1.34	2,200	Sealed 4.10 Ported 3.64 · 31
DC Audio XL-Elite 18 D2	18″	dual 2 Ω	27.9	0.58	4.56	1.34	2,200	Sealed 4.10 Ported 3.64 · 31
DC Audio XL-Elite 18 D4	18″	dual 4 Ω	27.9	0.58	4.56	1.34	2,200	Sealed 4.10 Ported 3.64 · 31
DC Audio XL-SPL 18 D1	18″	dual 1 Ω	32.3	0.53	5.10	1.02	2,200	Sealed 4.03 Ported 4.06 · 34
DC Audio XL-SPL 18 D2	18″	dual 2 Ω	32.3	0.53	5.10	1.02	2,200	Sealed 4.03 Ported 4.06 · 34
DC Audio XL-SPL 18 D4	18″	dual 4 Ω	32.3	0.53	5.10	1.02	2,200	Sealed 4.03 Ported 4.06 · 34
DD Audio 818f D1	18″	dual 1 Ω	27	0.79	5.48	1.22	2,500	Sealed 4.13 Ported 4.38 · 30
DD Audio 818f D2	18″	dual 2 Ω	27	0.79	5.48	1.22	2,500	Sealed 4.13 Ported 4.38 · 30
DD Audio 3518i ESP D2	18″	dual 2 Ω	28.9	0.82	5.16	0.69	1,200	Sealed 4.13 Ported 4.13 · 32
DD Audio 9518L ESP D1	18″	dual 1 Ω	31	0.72	3.46	1.26	2,500	Sealed 4.13 Ported 2.90 · 34
DD Audio 9918b ESP D2 !	18″	dual 2 Ω	26.2	0.42	5.72	0.87	2,500	Sealed 2.31 Ported 4.59 · 30
DD Audio 9918c D1 !	18″	dual 1 Ω	26.2	0.42	5.72	1.26	3,200	Sealed 2.31 Ported 4.59 · 30
DD Audio 9918c D2 !	18″	dual 2 Ω	26.2	0.42	5.72	1.26	3,200	Sealed 2.31 Ported 4.59 · 30
Deaf Bonce Apocalypse DB-4518R D1	18″	dual 1 Ω	29	0.33	5.26	0.89	4,500	Sealed 2.88 Ported 5.33 · 32
Deaf Bonce Apocalypse DB-4518R D2	18″	dual 2 Ω	29.4	0.34	5.40	0.89	4,500	Sealed 2.88 Ported 5.33 · 32
Deaf Bonce Apocalypse DB-SA418 D1	18″	dual 1 Ω	29	0.42	6.18	1.26	3,500	Sealed 2.47 Ported 4.94 · 32
Deaf Bonce Apocalypse DB-SA418 D2	18″	dual 2 Ω	29	0.42	6.18	1.26	3,500	Sealed 2.47 Ported 4.94 · 32
DL Audio Phoenix Bass Machine 18 (2+2)	18″	dual 2 Ω	23.2	0.68	5.37	—	1,700	Sealed 4.13 Ported 4.31 · 30
DL Audio Phoenix Black Bass 18 (2+2)	18″	dual 2 Ω	24.5	0.54	5.25	—	700	Sealed 4.13 Ported 4.20 · 30
DL Audio Raven 18 (2+2)	18″	dual 2 Ω	32	1.13	4.75	—	800	Sealed 4.13 Ported 3.81 · 34
Earthquake Pro-X184	18″	4 Ω	36	0.67	13.63	0.98	800	Sealed 4.13 Ported 5.33 · 34
Edge EDS18D1-E7 !	18″	dual 1 Ω	33.4	0.24	1.66	—	2,000	Sealed 1.62 Ported 5.33 · 34
Edge EDX18D1-E7	18″	dual 1 Ω	27.1	0.31	4.80	—	3,000	Sealed 1.62 Ported 5.33 · 30
Edge EDX18D1SPL-E7	18″	dual 1 Ω	25.7	0.32	4.33	—	5,000	Sealed 1.62 Ported 5.33 · 30
Elemental Designs 19Ov.2	18″	DVC	26	0.35	8.05	0.87	650	Sealed 1.94 Ported 5.51 · 30
Eros E-18 SDS 2.7K	18″	4 Ω	34.1	0.32	7.66	0.47	1,350	Sealed 1.70 Ported 5.51 · 34
Fi Audio BL-NEO 18 D1	18″	dual 1 Ω	33.6	0.40	4.80	0.94	1,750	Sealed 1.89 Ported 5.54 · 34
Fi Audio BL-NEO 18 D2	18″	dual 2 Ω	32.9	0.34	4.56	0.94	1,750	Sealed 1.89 Ported 5.54 · 34
Fi Audio BL18v3 D1	18″	dual 1 Ω	33.6	0.40	4.80	0.79	1,750	Sealed 1.89 Ported 5.54 · 34
Fi Audio BL18v3 D2	18″	dual 2 Ω	33.6	0.40	4.80	0.79	1,750	Sealed 1.89 Ported 5.54 · 34
Fi Audio BL18v3.1 D1	18″	dual 1 Ω	33.6	0.40	4.80	0.79	1,750	Sealed 1.89 Ported 5.54 · 34
Fi Audio BL18v3.1 D2	18″	dual 2 Ω	33.6	0.40	4.80	0.79	1,750	Sealed 1.89 Ported 5.54 · 34
Fi Audio BTL-NEO18 D1	18″	dual 1 Ω	32.4	0.34	4.46	1.34	2,500	Sealed 2.19 Ported 5.54 · 34
Fi Audio BTL-NEO18 D2	18″	dual 2 Ω	32.4	0.34	4.46	1.34	2,500	Sealed 2.19 Ported 5.54 · 34
Fi Audio BTL3 18 D1	18″	dual 1 Ω	32.4	0.34	4.46	1.34	2,500	Sealed 1.84 Ported 5.54 · 34
Fi Audio BTL3 18 D2	18″	dual 2 Ω	32.3	0.36	4.42	1.34	2,500	Sealed 1.84 Ported 5.54 · 34
Fi Audio BTL4 18 D1	18″	dual 1 Ω	24.8	0.52	5.33	1.30	3,500	Sealed 3.96 Ported 4.27 · 30
Fi Audio BTL4 18 D2	18″	dual 2 Ω	25	0.51	5.33	1.30	3,500	Sealed 3.71 Ported 4.27 · 30
Fi Audio Delta 18 D1	18″	dual 1 Ω	36.3	0.40	2.76	1.34	—	Sealed 2.49 Ported 5.54 · 34
Fi Audio Delta 18 D2	18″	dual 2 Ω	36.3	0.40	2.76	1.34	—	Sealed 2.49 Ported 5.54 · 34
Fi Audio HC 18 D1	18″	dual 1 Ω	32.4	0.34	4.46	1.34	2,500	Sealed 1.84 Ported 5.54 · 34
Fi Audio HC 18 D2	18″	dual 2 Ω	32.3	0.36	4.42	1.34	2,500	Sealed 1.84 Ported 5.54 · 34
Fi Audio HT-1 18 S2	18″	2 Ω	20.7	0.54	7.84	1.06	1,000	Sealed 4.27 Ported 5.54 · 30
Fi Audio HT-1 18 S4	18″	4 Ω	20.9	0.52	7.84	1.06	1,000	Sealed 4.27 Ported 5.54 · 30
Fi Audio HT-3 18 S2	18″	2 Ω	21.2	0.42	8.33	1.34	2,000	Sealed 3.21 Ported 5.54 · 30
Fi Audio HT-3 18 S4	18″	4 Ω	21.3	0.42	8.33	1.34	2,000	Sealed 3.21 Ported 5.54 · 30
Fi Audio IB318 S2	18″	2 Ω	22.3	0.65	13.45	1.18	550	Sealed 4.27 Ported 5.54 · 30
Fi Audio IB318 S4	18″	4 Ω	22.5	0.63	13.45	1.18	550	Sealed 4.27 Ported 5.54 · 30
Fi Audio IB318 v2 S2	18″	2 Ω	24.4	0.80	8.67	1.34	600	Sealed 4.27 Ported 5.54 · 30
Fi Audio IB318 v2 S4	18″	4 Ω	24.4	0.80	8.67	1.34	600	Sealed 4.27 Ported 5.54 · 30
Fi Audio MT 18 D1	18″	dual 1 Ω	31.7	0.43	3.37	1.30	4,500	Sealed 2.38 Ported 3.00 · 34
Fi Audio MT 18 D2	18″	dual 2 Ω	32.1	0.45	3.37	1.30	4,500	Sealed 2.38 Ported 3.00 · 34
Fi Audio NEO 3.5 18 D1	18″	dual 1 Ω	27.6	0.52	5.64	1.34	2,000	Sealed 4.03 Ported 4.52 · 30
Fi Audio NEO 3.5 18 D2	18″	dual 2 Ω	27.6	0.52	5.59	1.34	2,000	Sealed 4.03 Ported 4.48 · 30
Fi Audio NEO 3.7 18 D1	18″	dual 1 Ω	29.9	0.43	4.27	1.34	2,500	Sealed 2.38 Ported 3.43 · 33
Fi Audio NEO 3.7 18 D2	18″	dual 2 Ω	29.9	0.45	4.23	1.34	2,500	Sealed 2.38 Ported 3.39 · 33
Fi Audio NEO 3.9 18 D1	18″	dual 1 Ω	32.1	0.33	4.24	1.34	2,500	Sealed 2.38 Ported 5.54 · 34
Fi Audio NEO 3.9 18 D2	18″	dual 2 Ω	32	0.33	4.20	1.34	2,500	Sealed 2.38 Ported 5.54 · 34
Fi Audio NEO 4.7 18 D1	18″	dual 1 Ω	29.1	0.50	4.47	1.34	3,500	Sealed 2.79 Ported 3.57 · 32
Fi Audio NEO 4.7 18 D2	18″	dual 2 Ω	29.1	0.50	4.47	1.34	3,500	Sealed 2.79 Ported 3.57 · 32
Fi Audio NEO 4.9 18 D1	18″	dual 1 Ω	31.7	0.43	3.93	1.34	3,500	Sealed 2.38 Ported 3.14 · 34
Fi Audio NEO 4.9 18 D2	18″	dual 2 Ω	31.7	0.43	3.93	1.34	3,500	Sealed 2.38 Ported 3.14 · 34
Fi Audio NEO 4.11 18 D1	18″	dual 1 Ω	33.4	0.34	3.36	1.34	3,500	Sealed 2.38 Ported 5.54 · 34
Fi Audio NEO 4.11 18 D2	18″	dual 2 Ω	33.4	0.34	3.36	1.34	3,500	Sealed 2.38 Ported 5.54 · 34
Fi Audio OMEGA 18 D1	18″	dual 1 Ω	37.5	0.28	2.69	1.34	—	Sealed 2.49 Ported 5.54 · 34
Fi Audio OMEGA 18 D2	18″	dual 2 Ω	37.5	0.28	2.69	1.34	—	Sealed 2.49 Ported 5.54 · 34
Fi Audio Q18 D1	18″	dual 1 Ω	27.9	0.50	5.81	1.34	1,750	Sealed 3.74 Ported 4.66 · 31
Fi Audio Q18 D2	18″	dual 2 Ω	27.9	0.51	5.80	1.34	1,750	Sealed 3.96 Ported 4.63 · 31
Fi Audio Q18 NEO D1	18″	dual 1 Ω	27.9	0.50	5.81	1.34	1,750	Sealed 3.74 Ported 4.66 · 31
Fi Audio Q18 NEO D2	18″	dual 2 Ω	27.9	0.50	5.81	1.34	1,750	Sealed 3.74 Ported 4.66 · 31
Fi Audio SP3 18 D1	18″	dual 1 Ω	32.1	0.41	4.52	1.34	2,500	Sealed 2.38 Ported 3.60 · 34
Fi Audio SP3 18 D2	18″	dual 2 Ω	32.1	0.41	4.52	1.34	2,500	Sealed 2.38 Ported 3.60 · 34
Fi Audio SP3 Plus 18 D1	18″	dual 1 Ω	32.2	0.29	4.38	1.34	2,500	Sealed 2.38 Ported 5.54 · 34
Fi Audio SP3 Plus 18 D2	18″	dual 2 Ω	32.2	0.29	4.38	1.34	2,500	Sealed 2.38 Ported 5.54 · 34
Fi Audio SP4 18 D1	18″	dual 1 Ω	24.7	0.56	5.43	1.30	3,000	Sealed 4.27 Ported 4.34 · 30
Fi Audio SP4 18 D2	18″	dual 2 Ω	24.9	0.55	5.43	1.30	3,000	Sealed 4.27 Ported 4.34 · 30
Fi Audio SP4 18v2+ D1	18″	dual 1 Ω	24.6	0.37	5.29	1.30	3,500	Sealed 2.38 Ported 5.54 · 30
Fi Audio SP4 18v2+ D2	18″	dual 2 Ω	24.9	0.37	5.29	1.30	3,500	Sealed 2.38 Ported 5.54 · 30
Fi Audio SP418 v2.1 D1	18″	dual 1 Ω	24.7	0.56	5.43	1.30	3,500	Sealed 4.27 Ported 4.34 · 30
Fi Audio SP418 v2.1 D2	18″	dual 2 Ω	24.9	0.55	5.43	1.30	3,500	Sealed 4.27 Ported 4.34 · 30
Fi Audio SSD NEO 18 D1	18″	dual 1 Ω	35.7	0.53	4.63	1.10	1,500	Sealed 3.64 Ported 3.71 · 34
Fi Audio SSD NEO 18 D2	18″	dual 2 Ω	35.7	0.53	4.63	1.10	1,500	Sealed 3.64 Ported 3.71 · 34
Fi Audio SSD18 D1 !	18″	dual 1 Ω	27.6	0.45	3.23	0.87	1,500	Sealed 1.84 Ported 3.00 · 30
Fi Audio SSD18 D2 !	18″	dual 2 Ω	27.6	0.45	3.23	0.87	1,500	Sealed 1.84 Ported 3.00 · 30
Fi Audio SSDv4 18 D1	18″	dual 1 Ω	34.8	0.47	3.57	1.10	1,500	Sealed 2.30 Ported 3.00 · 34
Fi Audio SSDv4 18 D2	18″	dual 2 Ω	34.8	0.47	3.57	1.10	1,500	Sealed 2.30 Ported 3.00 · 34
Fi Audio TEAM 18 D1	18″	dual 1 Ω	31.7	0.43	3.37	1.30	4,000	Sealed 2.30 Ported 3.00 · 34
Fi Audio TEAM 18 D2	18″	dual 2 Ω	32.1	0.45	3.37	1.30	4,000	Sealed 2.30 Ported 3.00 · 34
Fi Audio TEAM v2 18 (3″ VC) D1	18″	dual 1 Ω	32.4	0.27	4.42	1.34	2,500	Sealed 2.38 Ported 5.54 · 34
Fi Audio TEAM v2 18 (3″ VC) D2	18″	dual 2 Ω	32.4	0.27	4.42	1.34	2,500	Sealed 2.38 Ported 5.54 · 34
Fi Audio TEAM v2 18 D1	18″	dual 1 Ω	31.7	0.43	3.37	1.30	4,500	Sealed 2.38 Ported 3.00 · 34
Fi Audio TEAM v2 18 D2	18″	dual 2 Ω	32.1	0.45	3.37	1.30	4,500	Sealed 2.38 Ported 3.00 · 34
Fi Audio Xv5 18 D1 !	18″	dual 1 Ω	31.2	0.45	5.37	1.14	1,500	Sealed 2.54 Ported 4.31 · 34
Fi Audio Xv5 18 D2	18″	dual 2 Ω	29.5	0.43	4.69	1.14	1,500	Sealed 1.92 Ported 3.74 · 32
Ground Zero GZHW 18XSPL-D1 (2x1 Ohm)	18″	dual 1 Ω	34.3	0.38	2.66	0.89	—	Sealed 1.94 Ported 5.33 · 34
Ground Zero GZNW 18XSPL (2x1 Ohm)	18″	dual 1 Ω	31.3	0.58	4.93	0.98	—	Sealed 4.27 Ported 3.96 · 34
Ground Zero GZPW 18SPL (2x1 Ohm) !	18″	dual 1 Ω	34	0.19	3.07	0.69	—	Sealed 2.12 Ported 5.33 · 34
Ground Zero GZPW 18SPL-EXTREME (2x1 Ohm)	18″	dual 1 Ω	41	0.34	2.47	0.69	—	Sealed 2.12 Ported 5.33 · 34
Hifonics ZXT18D2	18″	dual 2 Ω	36	0.62	3.07	0.91	4,000	Sealed 4.10 Ported 2.86 · 34
Hinor 18 SW 3K	18″	4 Ω	42.9	0.36	3.60	0.24	1,500	Sealed 1.70 Ported 5.47 · 34
Hinor 18 SW 4K	18″	4 Ω	46.5	0.33	2.98	0.28	2,000	Sealed 1.73 Ported 5.62 · 34
Incriminator Audio Death Penalty 18 D1	18″	dual 1 Ω	38	0.45	4.34	1.14	2,500	Sealed 2.37 Ported 3.46 · 34
JBL 1800GTi	18″	4 Ω	30	0.43	12.81	0.22	600	Sealed 4.48 Ported 5.83 · 33
JBL Selenium 18SWT3000	18″	4 Ω	41	0.54	4.46	0.42	1,500	Sealed 3.81 Ported 3.57 · 34
JBL Selenium 18SWT5600	18″	4 Ω	56.7	0.68	2.19	0.43	2,800	Sealed 3.71 Ported 2.58 · 34
JBL Selenium 18SWV3.0	18″	4 Ω	50.7	0.68	3.05	0.42	1,500	Sealed 4.20 Ported 2.97 · 34
JBL Selenium 18SWV3.8	18″	4 Ω	47.4	0.50	3.57	0.43	1,900	Sealed 2.22 Ported 2.97 · 34
Kicker CompVR 18" 4-Ohm DVC (CVR18, 2003)	18″	dual 4 Ω	18.2	0.42	15.61	0.57	—	Sealed 4.17 Ported 5.40 · 30
Kicker Solo-Baric L7X 18" 1-Ohm DVC (49L7X181)	18″	dual 1 Ω	26.9	0.56	4.45	1.23	2,000	Sealed 4.20 Ported 7.52 · 28
Kicker Solo-Baric L7X 18" 2-Ohm DVC (49L7X182)	18″	dual 2 Ω	28.9	0.64	4.02	1.23	2,000	Sealed 4.98 Ported 7.52 · 28
Kicker Solo-Baric L7XS 18" 1-Ohm DVC (52L7XS181)	18″	dual 1 Ω	30.1	0.44	2.75	1.70	4,000	Sealed 2.15 Ported 3.74 · 33
Kicker Solo-Baric L7XS 18" 2-Ohm DVC (52L7XS182)	18″	dual 2 Ω	30.2	0.51	2.84	1.70	4,000	Sealed 2.15 Ported 3.74 · 33
Kicker SoloX 18" 2-Ohm DVC (S18X2)	18″	dual 2 Ω	22.2	0.28	6.27	0.96	5,000	Sealed 2.12 Ported 6.53 · 30
Kicker SoloX 18" 4-Ohm DVC (S18X D4)	18″	dual 4 Ω	25.2	0.41	5.59	0.96	5,000	Sealed 2.12 Ported 4.48 · 30
Kicx HeadShot DM18 (1+1)	18″	dual 1 Ω	51	0.96	1.54	—	4,000	Sealed 3.07 Ported 2.90 · 34
Kicx HeadShot DM18 (2+2)	18″	dual 2 Ω	50	1.02	1.54	—	4,000	Sealed 3.07 Ported 2.90 · 34
Kicx ZT-18V2 (1+1)	18″	dual 1 Ω	21	0.43	6.53	—	1,250	Sealed 2.65 Ported 5.23 · 30
Magnum MEW 18-22DC	18″	dual 2 Ω	28	0.45	3.93	—	3,000	Sealed 2.14 Ported 3.14 · 31
Pride BB V.2 18	18″	DVC	28	0.40	3.35	1.02	1,500	Sealed 1.87 Ported 2.97 · 31
Pride S V.3 18 D1	18″	dual 1 Ω	22	0.32	6.71	1.42	4,000	Sealed 2.31 Ported 6.07 · 30
Pride S V.3 18 D2	18″	dual 2 Ω	22	0.32	6.71	1.42	4,000	Sealed 2.31 Ported 6.07 · 30
Pride SS.5 18 Competition D0.7 (SS.518compD07) !	18″	dual 0.7 Ω	20.9	0.21	5.93	1.42	5,500	Sealed 2.42 Ported 5.83 · 30
Pride ST 18 D0.5	18″	dual 0.5 Ω	22.1	0.24	6.53	1.48	5,000	Sealed 2.33 Ported 6.07 · 30
Pride T V.3 18 D1	18″	dual 1 Ω	27	0.34	4.24	1.30	2,500	Sealed 1.92 Ported 5.33 · 30
Pride T V.3 18 D2	18″	dual 2 Ω	27	0.34	4.24	1.30	2,500	Sealed 1.92 Ported 5.33 · 30
Pride UFO.3 18 D1 !	18″	dual 1 Ω	30	0.23	2.88	1.46	2,500	Sealed 2.08 Ported 5.51 · 33
Pride UFO.4 18 D0.7 !	18″	dual 0.7 Ω	27	0.17	3.04	1.57	5,000	Sealed 2.38 Ported 5.51 · 30
Pride UFO.5 18 D0.7 !	18″	dual 0.7 Ω	19.8	0.14	5.40	1.67	10,000	Sealed 2.52 Ported 6.25 · 30
PSI Platform 2 18	18″	DVC	26.4	0.60	8.02	1.10	1,500	Sealed 4.34 Ported 5.65 · 30
PSI Platform 3 18 D2	18″	dual 2 Ω	27.5	0.30	8.16	1.18	2,500	Sealed 1.89 Ported 5.65 · 30
RE Audio SX18 D2	18″	dual 2 Ω	45.1	1.40	1.77	—	—	Sealed 3.53 Ported 2.86 · 34
RE Audio SX18 D4	18″	dual 4 Ω	45.1	1.40	1.77	—	—	Sealed 3.53 Ported 2.86 · 34
RE Audio XXX18 D4 v2	18″	dual 4 Ω	28.9	0.70	3.40	—	2,000	Sealed 4.45 Ported 3.11 · 32
Resilient Sounds Platinum 18 D1	18″	dual 1 Ω	25.9	0.34	5.79	1.18	2,000	Sealed 2.14 Ported 5.30 · 30
Resilient Sounds Platinum 18 D2	18″	dual 2 Ω	27.2	0.37	5.27	1.18	2,000	Sealed 2.14 Ported 5.30 · 30
Resilient Sounds Platinum 18 V2 D1	18″	dual 1 Ω	31.6	0.43	3.03	1.38	2,500	Sealed 2.45 Ported 2.90 · 34
Resilient Sounds Platinum 18 V2 D2	18″	dual 2 Ω	35.1	0.51	2.87	1.38	2,500	Sealed 2.45 Ported 2.90 · 34
Resilient Sounds Team 18 D1	18″	dual 1 Ω	25.5	0.30	5.73	1.50	5,000	Sealed 3.13 Ported 5.30 · 30
Rockford Fosgate Punch HX2 RFD3218	18″	dual 4 Ω	24	0.46	7.03	0.75	1,000	Sealed 3.35 Ported 5.19 · 30
Skar Audio EVL-18 D2 !	18″	dual 2 Ω	31.2	0.41	2.86	0.93	1,250	Sealed 2.00 Ported 4.13 · 31
Skar Audio EVL-18 D4 !	18″	dual 4 Ω	32.6	0.49	2.75	0.93	1,250	Sealed 2.00 Ported 4.13 · 31
Skar Audio ZVX-18v2 D1	18″	dual 1 Ω	26.1	0.47	5.35	1.14	1,600	Sealed 2.86 Ported 5.26 · 32
Skar Audio ZVX-18v2 D2	18″	dual 2 Ω	26.8	0.52	4.81	1.14	1,600	Sealed 3.43 Ported 5.26 · 32
Sky High Car Audio BMX-18 D1	18″	dual 1 Ω	22.7	0.60	6.28	1.26	2,500	Sealed 4.45 Ported 5.01 · 30
Sky High Car Audio BMX-18 D2	18″	dual 2 Ω	20.5	0.51	7.60	1.26	2,500	Sealed 4.45 Ported 5.76 · 30
Sky High Car Audio FEX-18 D2	18″	dual 2 Ω	27.7	0.71	7.87	0.75	1,250	Sealed 4.34 Ported 5.62 · 30
Sky High Car Audio FEX-18 D4	18″	dual 4 Ω	29.1	0.94	8.28	0.75	1,250	Sealed 4.34 Ported 5.62 · 32
Sky High Car Audio FMX-18 D1	18″	dual 1 Ω	22.3	0.57	6.43	1.46	3,500	Sealed 4.45 Ported 5.16 · 30
Sky High Car Audio FMX-18 D2	18″	dual 2 Ω	20.3	0.49	7.35	1.46	3,500	Sealed 4.45 Ported 5.76 · 30
Sky High Car Audio FXB-18 D2	18″	dual 2 Ω	26.1	0.66	4.80	1.18	1,500	Sealed 4.27 Ported 3.85 · 30
Sky High Car Audio FXB-18 D4	18″	dual 4 Ω	27.3	0.82	4.69	1.18	1,500	Sealed 4.31 Ported 3.74 · 30
Sky High Car Audio FXXL-18 D1 !	18″	dual 1 Ω	26.1	0.62	3.67	1.42	5,000	Sealed 4.03 Ported 2.93 · 30
Sky High Car Audio FXXL-18 D2	18″	dual 2 Ω	28.4	0.52	4.05	1.42	5,000	Sealed 2.97 Ported 3.25 · 31
SoundQubed HDS3.218 D2 !	18″	dual 2 Ω	29.6	0.63	3.53	1.18	1,200	Sealed 3.71 Ported 2.83 · 33
SoundQubed HDS3.218 D4 !	18″	dual 4 Ω	29.6	0.63	3.53	1.18	1,200	Sealed 3.71 Ported 2.83 · 33
SoundQubed HDX318 D1 !	18″	dual 1 Ω	27.6	0.44	5.95	1.42	1,500	Sealed 2.51 Ported 4.77 · 30
SoundQubed HDX318 D2 !	18″	dual 2 Ω	27.6	0.44	5.95	1.42	1,500	Sealed 2.51 Ported 4.77 · 30
SoundQubed HDX418 D1	18″	dual 1 Ω	22.8	0.44	5.77	1.22	2,000	Sealed 2.47 Ported 4.63 · 30
Soundstream XXX-18 !	18″	1 Ω	22.3	0.18	5.50	1.38	10,000	Sealed 2.28 Ported 4.41 · 30
SPL Dynamics SPL-460D1A	18″	dual 1 Ω	29.1	0.39	5.14	0.45	1,500	Sealed 1.92 Ported 5.65 · 32
SPL Dynamics SPL-460D2	18″	dual 2 Ω	27.4	0.35	5.24	0.45	1,500	Sealed 1.92 Ported 5.62 · 30
Sundown Audio Inhuman-18 D1	18″	dual 1 Ω	23.9	0.20	1.96	1.61	7,500	Sealed 2.93 Ported 5.23 · 30
Sundown Audio M18 D1	18″	dual 1 Ω	26.2	0.68	3.96	1.38	2,000	Sealed 4.17 Ported 3.18 · 30
Sundown Audio M18 D2	18″	dual 2 Ω	25.7	0.65	4.15	1.38	2,000	Sealed 4.17 Ported 3.32 · 30
Sundown Audio NSv1-18 D1	18″	dual 1 Ω	35	0.55	2.93	—	1,500	Sealed 2.58 Ported 2.90 · 34
Sundown Audio NSv2-18 D2	18″	dual 2 Ω	32.8	0.49	3.28	—	2,000	Sealed 2.19 Ported 2.90 · 34
Sundown Audio NSv4-18 D1	18″	dual 1 Ω	30.9	0.39	3.44	—	3,000	Sealed 2.86 Ported 5.23 · 34
Sundown Audio NSv4-18 D2	18″	dual 2 Ω	26.7	0.32	4.36	—	3,000	Sealed 2.86 Ported 5.23 · 30
Sundown Audio NSv5-18 D1	18″	dual 1 Ω	28.9	0.44	3.22	—	3,000	Sealed 1.62 Ported 2.83 · 32
Sundown Audio NSv5-18 D2	18″	dual 2 Ω	28.8	0.42	3.16	—	3,000	Sealed 1.62 Ported 2.83 · 32
Sundown Audio NSv6-18 D1	18″	dual 1 Ω	28.6	0.45	2.79	1.38	3,500	Sealed 3.07 Ported 2.83 · 31
Sundown Audio NSv6-18 D2	18″	dual 2 Ω	28.4	0.38	2.93	1.38	3,500	Sealed 3.07 Ported 4.66 · 31
Sundown Audio SAv2-18 D2	18″	dual 2 Ω	29.1	0.37	4.03	0.75	1,250	Sealed 1.87 Ported 4.52 · 35
Sundown Audio SAv2-18 D4	18″	dual 4 Ω	31.9	0.39	3.78	0.75	1,250	Sealed 1.87 Ported 4.52 · 35
Sundown Audio SDDN-18 D1	18″	dual 1 Ω	30	0.31	2.55	1.38	3,500	Sealed 2.84 Ported 5.23 · 33
Sundown Audio Uv1-18 D2	18″	dual 2 Ω	31.3	0.33	4.78	—	1,500	Sealed 1.80 Ported 5.90 · 34
Sundown Audio Uv1-18 D4	18″	dual 4 Ω	31.4	0.38	4.78	—	1,500	Sealed 1.80 Ported 5.90 · 34
Sundown Audio Uv2-18 D2	18″	dual 2 Ω	30.9	0.51	3.95	1.18	2,000	Sealed 2.79 Ported 4.03 · 35
Sundown Audio Uv2-18 D4	18″	dual 4 Ω	30.9	0.58	4.05	1.18	2,000	Sealed 4.52 Ported 4.03 · 35
Sundown Audio Xv1-18 D2	18″	dual 2 Ω	21.6	0.49	7.84	1.18	1,250	Sealed 4.10 Ported 5.33 · 30
Sundown Audio Xv1-18 D4	18″	dual 4 Ω	22.5	0.60	7.27	1.18	1,250	Sealed 4.10 Ported 5.30 · 30
Sundown Audio Xv2-18 D2	18″	dual 2 Ω	26.4	0.41	5.44	1.18	1,500	Sealed 1.89 Ported 4.34 · 30
Sundown Audio Xv2-18 D4	18″	dual 4 Ω	27.7	0.49	4.86	1.18	1,500	Sealed 2.90 Ported 3.88 · 30
Sundown Audio Xv3-18 D1	18″	dual 1 Ω	26.7	0.44	4.60	1.18	2,000	Sealed 2.01 Ported 6.99 · 32
Sundown Audio Xv3-18 D2	18″	dual 2 Ω	28.2	0.54	3.88	1.18	2,000	Sealed 3.28 Ported 6.99 · 32
Sundown Audio Xv4-18 D1	18″	dual 1 Ω	25.9	0.55	3.31	1.18	2,750	Sealed 2.90 Ported 6.99 · 32
Sundown Audio Xv4-18 D2 !	18″	dual 2 Ω	25.6	0.48	0.62	1.18	2,750	Sealed 2.81 Ported 6.99 · 32
Sundown Audio Zv3-18 D1 !	18″	dual 1 Ω	31.8	0.46	3.68	1.18	1,500	Sealed 2.08 Ported 3.00 · 34
Sundown Audio Zv3-18 D2	18″	dual 2 Ω	31.9	0.54	3.41	1.18	1,500	Sealed 2.75 Ported 3.00 · 34
Sundown Audio Zv4-18 D1	18″	dual 1 Ω	26.1	0.45	5.65	1.38	1,750	Sealed 2.68 Ported 4.52 · 30
Sundown Audio Zv4-18 D2	18″	dual 2 Ω	27.4	0.54	4.81	1.38	1,750	Sealed 4.03 Ported 3.85 · 30
Sundown Audio Zv5-18 D1	18″	dual 1 Ω	25.7	0.49	5.30	1.38	2,000	Sealed 3.07 Ported 4.24 · 30
Sundown Audio Zv5-18 D2	18″	dual 2 Ω	25	0.52	5.52	1.38	2,000	Sealed 3.99 Ported 4.41 · 30
Sundown Audio Zv6-18 D1	18″	dual 1 Ω	26.6	0.45	3.43	1.38	3,250	Sealed 2.79 Ported 6.99 · 32
Sundown Audio Zv6-18 D2	18″	dual 2 Ω	24.1	0.40	4.11	1.38	3,250	Sealed 2.79 Ported 6.99 · 32
Sundown Audio Zv7-18 D1	18″	dual 1 Ω	23.5	0.43	3.49	1.65	3,500	Sealed 2.93 Ported 2.83 · 30
Sundown Audio Zv7-18 D2	18″	dual 2 Ω	27.3	0.42	3.35	1.65	3,500	Sealed 2.93 Ported 3.00 · 30
Treo SSX18.22	18″	dual 2 Ω	22.9	0.46	5.93	1.10	2,500	Sealed 2.93 Ported 4.73 · 30
Triton Shiver Bass 3.6 18	18″	4 Ω	36.6	0.35	4.98	0.43	1,600	Sealed 1.77 Ported 5.79 · 34
Triton Shiver Bass 3.8 18	18″	4 Ω	43.5	0.39	3.92	0.49	1,900	Sealed 1.77 Ported 5.72 · 34
URAL Bulava 18 (2+2)	18″	dual 2 Ω	25.8	0.72	5.81	1.18	900	Sealed 4.20 Ported 4.66 · 30
URAL Decibel 18 (1+1)	18″	dual 1 Ω	19.6	0.44	9.54	1.61	3,500	Sealed 4.03 Ported 5.40 · 30
URAL Patriot 18 (2+2)	18″	dual 2 Ω	26.1	0.33	5.37	1.26	2,500	Sealed 1.62 Ported 5.33 · 30
URAL Pobeda 18 (2+2)	18″	dual 2 Ω	25.5	0.73	6.04	1.06	1,200	Sealed 4.20 Ported 4.84 · 30
Vibe Audio BlackDeath Comp 18 HEX D1 (BLACKDEATHC18HEX-V7)	18″	dual 1 Ω	25.7	0.32	4.33	—	5,000	Sealed 1.62 Ported 5.33 · 30
Vibe Audio BlackDeath Competition 18 D1 SPL (BDC18D1SPL-V4) !	18″	dual 1 Ω	30.3	0.36	1.61	1.02	5,000	Sealed 2.42 Ported 5.33 · 33

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