DC Audio subwoofers

Thiele/Small parameters of DC Audio subwoofers (6.5″, 8″, 10″, 12″, 15″, 18″) and a recommended sealed and ported box for every model, in a free sub box calculator.

Search Size Voice coils Ω per coil Qts

121 models

Model	Size	Voice coils	Fs, Hz	Qts	Vas, ft³	Xmax, in	RMS, W
M3 6.5 D2	6.5″	dual 2 Ω	47.9	0.46	0.12	0.63	300
M3 6.5 D4	6.5″	dual 4 Ω	46.4	0.48	0.13	0.63	300
M4 6.5 D2	6.5″	dual 2 Ω	54.7	0.46	0.07	0.63	300
M4 6.5 D4	6.5″	dual 4 Ω	60.7	0.61	0.07	0.63	300
M3 8 D4	8″	dual 4 Ω	35	0.60	0.26	0.71	600
M4 8 D2 !	8″	dual 2 Ω	44.5	0.54	0.06	0.75	800
M4 8 D4 !	8″	dual 4 Ω	47.4	0.61	0.06	0.75	800
Level 1 10 D2	10″	dual 2 Ω	37	0.45	0.60	0.75	300
Level 1 10 D4	10″	dual 4 Ω	37	0.45	0.60	0.75	300
Level 2 M3 10 D2	10″	dual 2 Ω	35.6	0.56	0.49	0.87	600
Level 2 M3 10 D4	10″	dual 4 Ω	35.6	0.56	0.49	0.87	600
Level 2 M4 10 D2	10″	dual 2 Ω	39.3	0.72	0.33	0.87	750
Level 2 M4 10 D4	10″	dual 4 Ω	39.3	0.72	0.33	0.87	750
Level 3 10 D1	10″	dual 1 Ω	43	0.69	0.39	0.91	1,000
Level 3 10 D2	10″	dual 2 Ω	43	0.69	0.39	0.91	1,000
Level 3 10 D4	10″	dual 4 Ω	43	0.69	0.39	0.91	1,000
Level 3 M3 10 D1	10″	dual 1 Ω	38.5	0.53	0.46	0.91	1,000
Level 3 M3 10 D2	10″	dual 2 Ω	38.5	0.53	0.46	0.91	1,000
Level 3 M3 10 D4	10″	dual 4 Ω	38.5	0.53	0.46	0.91	1,000
Level 4 10 D1	10″	dual 1 Ω	44.3	0.60	0.32	0.93	1,500
Level 4 10 D2	10″	dual 2 Ω	44.3	0.60	0.32	0.93	1,500
Level 4 10 D4	10″	dual 4 Ω	44.3	0.60	0.32	0.93	1,500
Level 4 M3 10 D1	10″	dual 1 Ω	40.2	0.46	0.44	0.93	1,500
Level 4 M3 10 D2	10″	dual 2 Ω	40.2	0.46	0.44	0.93	1,500
Level 4 M3 10 D4	10″	dual 4 Ω	40.2	0.46	0.44	0.93	1,500
RS 10 D1	10″	dual 1 Ω	41.6	0.41	0.19	0.94	1,800
RS 10 D2	10″	dual 2 Ω	41.6	0.41	0.19	0.94	1,800
Shortie 10 D2 !	10″	dual 2 Ω	45.5	0.69	0.25	0.55	500
Shortie 10 D4 !	10″	dual 4 Ω	45.5	0.69	0.25	0.55	500
Weapon-X 10 D1	10″	dual 1 Ω	53.5	0.40	0.24	0.94	1,800
XL-SPL 10 D1	10″	dual 1 Ω	41.7	0.34	0.44	1.02	2,200
XL-SPL 10 D2	10″	dual 2 Ω	41.7	0.34	0.44	1.02	2,200
XL-SPL 10 D4	10″	dual 4 Ω	41.7	0.34	0.44	1.02	2,200
Level 1 12 D2	12″	dual 2 Ω	32.6	0.42	1.68	0.75	300
Level 1 12 D4	12″	dual 4 Ω	32.6	0.42	1.68	0.75	300
Level 2 M3 12 D2	12″	dual 2 Ω	33	0.59	1.08	0.87	600
Level 2 M3 12 D4	12″	dual 4 Ω	33	0.59	1.08	0.87	600
Level 2 M4 12 D2	12″	dual 2 Ω	41.5	0.80	0.65	0.87	750
Level 2 M4 12 D4	12″	dual 4 Ω	41.5	0.80	0.65	0.87	750
Level 3 12 D1	12″	dual 1 Ω	37.7	0.81	0.79	0.91	1,000
Level 3 12 D2	12″	dual 2 Ω	37.7	0.81	0.79	0.91	1,000
Level 3 12 D4	12″	dual 4 Ω	37.7	0.81	0.79	0.91	1,000
Level 3 M3 12 D1	12″	dual 1 Ω	35.4	0.57	1.02	0.91	1,000
Level 3 M3 12 D2	12″	dual 2 Ω	35.4	0.57	1.02	0.91	1,000
Level 3 M3 12 D4	12″	dual 4 Ω	35.4	0.57	1.02	0.91	1,000
Level 4 12 D1	12″	dual 1 Ω	41.2	0.77	0.48	0.93	1,500
Level 4 12 D2	12″	dual 2 Ω	41.2	0.77	0.48	0.93	1,500
Level 4 12 D4	12″	dual 4 Ω	41.2	0.77	0.48	0.93	1,500
Level 4 M3 12 D1	12″	dual 1 Ω	37.9	0.49	0.97	0.93	1,500
Level 4 M3 12 D2	12″	dual 2 Ω	37.9	0.49	0.97	0.93	1,500
Level 4 M3 12 D4	12″	dual 4 Ω	37.9	0.49	0.97	0.93	1,500
Level 5 M5 12 D0.7	12″	dual 0.7 Ω	30.6	0.37	0.64	1.34	3,500
Level 5 M5 12 D1	12″	dual 1 Ω	30.6	0.37	0.64	1.34	3,500
Level 5 M5 12 D2	12″	dual 2 Ω	30.6	0.37	0.64	1.34	3,500
NEO 3.5 12 D0.7	12″	dual 0.7 Ω	40.3	0.24	0.35	1.34	3,500
NEO 3.5 12 D1	12″	dual 1 Ω	40.3	0.24	0.35	1.34	3,500
NEO 3.5 12 D2	12″	dual 2 Ω	40.3	0.24	0.35	1.34	3,500
RS 12 D1	12″	dual 1 Ω	55.8	0.80	0.32	0.94	1,800
RS 12 D2	12″	dual 2 Ω	55.8	0.80	0.32	0.94	1,800
Shortie 12 D2	12″	dual 2 Ω	41.9	0.64	0.65	0.55	500
Shortie 12 D4	12″	dual 4 Ω	41.9	0.64	0.65	0.55	500
XL-Elite 12 D1	12″	dual 1 Ω	31.6	0.44	0.79	1.34	2,200
XL-Elite 12 D2	12″	dual 2 Ω	31.6	0.44	0.79	1.34	2,200
XL-Elite 12 D4	12″	dual 4 Ω	31.6	0.44	0.79	1.34	2,200
XL-SPL 12 D1	12″	dual 1 Ω	38.5	0.39	0.91	1.02	2,200
XL-SPL 12 D2	12″	dual 2 Ω	38.5	0.39	0.91	1.02	2,200
XL-SPL 12 D4	12″	dual 4 Ω	38.5	0.39	0.91	1.02	2,200
Level 3 15 D1	15″	dual 1 Ω	36.8	0.94	1.95	0.91	1,000
Level 3 15 D2	15″	dual 2 Ω	36.8	0.94	1.95	0.91	1,000
Level 3 15 D4	15″	dual 4 Ω	36.8	0.94	1.95	0.91	1,000
Level 3 M3 15 D1	15″	dual 1 Ω	30.9	0.65	2.98	0.91	1,000
Level 3 M3 15 D2	15″	dual 2 Ω	30.9	0.65	2.98	0.91	1,000
Level 3 M3 15 D4	15″	dual 4 Ω	30.9	0.65	2.98	0.91	1,000
Level 4 15 D1	15″	dual 1 Ω	38	0.85	1.52	0.93	1,500
Level 4 15 D2	15″	dual 2 Ω	38	0.85	1.52	0.93	1,500
Level 4 15 D4	15″	dual 4 Ω	38	0.85	1.52	0.93	1,500
Level 4 M3 15 D1	15″	dual 1 Ω	30.6	0.61	2.83	0.93	1,500
Level 4 M3 15 D2	15″	dual 2 Ω	30.6	0.61	2.83	0.93	1,500
Level 4 M3 15 D4	15″	dual 4 Ω	30.6	0.61	2.83	0.93	1,500
Level 5 M5 15 D0.7	15″	dual 0.7 Ω	30.7	0.29	1.73	1.34	3,500
Level 5 M5 15 D1	15″	dual 1 Ω	30.7	0.29	1.73	1.34	3,500
Level 5 M5 15 D2	15″	dual 2 Ω	30.7	0.29	1.73	1.34	3,500
Level 6 M5 15 D0.7	15″	dual 0.7 Ω	28.8	0.33	1.33	1.34	4,500
Level 6 M5 15 D1	15″	dual 1 Ω	28.8	0.33	1.33	1.34	4,500
Level 6 M5 15 D2	15″	dual 2 Ω	28.8	0.33	1.33	1.34	4,500
Level 6 M6 15 D0.7	15″	dual 0.7 Ω	27.6	0.34	1.64	1.34	4,500
Level 6 M6 15 D1	15″	dual 1 Ω	27.6	0.34	1.64	1.34	4,500
Level 6 M6 15 D2	15″	dual 2 Ω	27.6	0.34	1.64	1.34	4,500
NEO 3.0 15 D0.7	15″	dual 0.7 Ω	41.6	0.36	1.17	1.02	2,200
NEO 3.0 15 D1	15″	dual 1 Ω	41.6	0.36	1.17	1.02	2,200
NEO 3.0 15 D2	15″	dual 2 Ω	41.6	0.36	1.17	1.02	2,200
XL-SPL 15 D1	15″	dual 1 Ω	34.3	0.50	2.33	1.02	2,200
XL-SPL 15 D2	15″	dual 2 Ω	34.3	0.50	2.33	1.02	2,200
XL-SPL 15 D4	15″	dual 4 Ω	34.3	0.50	2.33	1.02	2,200
Level 3 18 D1	18″	dual 1 Ω	35.1	1.22	3.44	0.91	1,000
Level 3 18 D2	18″	dual 2 Ω	35.1	1.22	3.44	0.91	1,000
Level 3 18 D4	18″	dual 4 Ω	35.1	1.22	3.44	0.91	1,000
Level 3 M3 18 D1	18″	dual 1 Ω	30.4	0.66	6.55	0.91	1,000
Level 3 M3 18 D2	18″	dual 2 Ω	30.4	0.66	6.55	0.91	1,000
Level 3 M3 18 D4	18″	dual 4 Ω	30.4	0.66	6.55	0.91	1,000
Level 4 18 D1	18″	dual 1 Ω	34	0.94	3.14	0.93	1,500
Level 4 18 D2	18″	dual 2 Ω	34	0.94	3.14	0.93	1,500
Level 4 18 D4	18″	dual 4 Ω	34	0.94	3.14	0.93	1,500
Level 4 M3 18 D1	18″	dual 1 Ω	26.4	0.70	6.19	0.93	1,500
Level 4 M3 18 D2	18″	dual 2 Ω	26.4	0.70	6.19	0.93	1,500
Level 4 M3 18 D4	18″	dual 4 Ω	26.4	0.70	6.19	0.93	1,500
Level 6 M5 18 D0.7	18″	dual 0.7 Ω	28.2	0.35	2.91	1.34	4,500
Level 6 M5 18 D1	18″	dual 1 Ω	28.2	0.35	2.91	1.34	4,500
Level 6 M5 18 D2	18″	dual 2 Ω	28.2	0.35	2.91	1.34	4,500
Level 6 M6 18 D0.7	18″	dual 0.7 Ω	26.4	0.48	3.13	1.34	4,500
Level 6 M6 18 D1	18″	dual 1 Ω	26.4	0.48	3.13	1.34	4,500
Level 6 M6 18 D2	18″	dual 2 Ω	26.4	0.48	3.13	1.34	4,500
NEO 4.0 18 D0.7	18″	dual 0.7 Ω	30.4	0.34	2.37	1.34	4,500
NEO 4.0 18 D1	18″	dual 1 Ω	30.4	0.34	2.37	1.34	4,500
NEO 4.0 18 D2	18″	dual 2 Ω	30.4	0.34	2.37	1.34	4,500
XL-Elite 18 D1	18″	dual 1 Ω	27.9	0.58	4.56	1.34	2,200
XL-Elite 18 D2	18″	dual 2 Ω	27.9	0.58	4.56	1.34	2,200
XL-Elite 18 D4	18″	dual 4 Ω	27.9	0.58	4.56	1.34	2,200
XL-SPL 18 D1	18″	dual 1 Ω	32.3	0.53	5.10	1.02	2,200
XL-SPL 18 D2	18″	dual 2 Ω	32.3	0.53	5.10	1.02	2,200
XL-SPL 18 D4	18″	dual 4 Ω	32.3	0.53	5.10	1.02	2,200

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