Rockford Fosgate subwoofers

Thiele/Small parameters of Rockford Fosgate subwoofers (8″, 10″, 12″, 13″, 15″, 16″, 18″, 19″) and a recommended sealed and ported box for every model, in a free sub box calculator.

Search Size Voice coils Ω per coil Qts

117 models

Model	Size	Voice coils	Fs, Hz	Qts	Vas, ft³	Xmax, in	RMS, W
Power T3-BMW-SUB	8″	4 Ω	38	0.49	1.43	0.24	150
Punch HE2 RFP2208 (2000)	8″	dual 4 Ω	35	0.37	0.46	0.43	250
Punch HE2 RFP4108	8″	dual 2 Ω	38	0.39	0.35	0.43	250
Punch HE2 RFP4208	8″	dual 4 Ω	37	0.38	0.38	0.43	250
Punch HX2 RFD2208	8″	dual 4 Ω	40	0.49	0.32	0.55	400
Punch P1S2-8 !	8″	2 Ω	40	0.41	0.42	0.31	200
Punch P1S4-8 !	8″	4 Ω	40	0.43	0.42	0.31	200
Punch P2D2-8	8″	dual 2 Ω	39.6	0.47	0.35	0.31	250
Punch P2D4-8	8″	dual 4 Ω	43	0.52	0.35	0.30	250
Punch P3SD2-8 (Shallow)	8″	dual 2 Ω	38	0.72	0.56	0.33	150
Punch P3SD4-8 (Shallow)	8″	dual 4 Ω	39	0.87	0.56	0.33	150
Punch P18S4 (Stage-1, 2004)	8″	4 Ω	40	0.53	0.48	0.28	150
Punch Z RFZ3808 !	8″	8 Ω	37	0.51	0.88	0.28	150
Power HX2 RFR3110	10″	dual 2 Ω	28	0.32	0.57	0.75	1,000
Power RFR2210 (2000)	10″	dual 4 Ω	28	0.34	1.06	0.48	500
Power T0D210	10″	dual 2 Ω	30.5	0.51	0.58	0.55	550
Power T0D410	10″	dual 4 Ω	31	0.54	0.60	0.58	550
Power T1D210	10″	dual 2 Ω	34.5	0.54	0.54	0.63	600
Power T1D410	10″	dual 4 Ω	36	0.65	0.55	0.63	600
Power T1S1-10 (Slim, older)	10″	1 Ω	42	0.94	0.46	0.59	500
Power T1S1-10P (Slim, ported)	10″	1 Ω	42	0.94	0.46	0.59	500
Power T1S1-10S (Slim, sealed)	10″	1 Ω	34	0.59	0.58	0.59	500
Power T1S2-10 (Slim, older)	10″	2 Ω	43.5	1.04	0.46	0.59	500
Power T1S2-10P (Slim, ported)	10″	2 Ω	43.5	1.04	0.46	0.59	500
Power T1S2-10S (Slim, sealed)	10″	2 Ω	36	0.77	0.54	0.59	500
Power T110D4 (2004)	10″	dual 4 Ω	36	0.60	0.56	0.55	600
Prime R1S4-10	10″	4 Ω	33.5	0.58	1.35	0.28	200
Prime R2D2-10	10″	dual 2 Ω	34.6	0.47	1.38	0.26	250
Prime R2D4-10	10″	dual 4 Ω	34.9	0.53	1.36	0.26	250
Prime R2SD2-10 (Shallow)	10″	dual 2 Ω	38.1	0.68	0.72	0.31	200
Prime R2SD4-10 (Shallow)	10″	dual 4 Ω	39.3	0.73	0.77	0.31	200
Punch HE RFP3410 (2002)	10″	4 Ω	32	0.45	1.11	0.51	200
Punch HE2 RFP4110	10″	dual 2 Ω	26	0.46	1.13	0.51	400
Punch HE2 RFP4210	10″	dual 4 Ω	27	0.47	1.20	0.51	400
Punch HX2 RFD2110	10″	dual 2 Ω	29	0.42	0.81	0.55	500
Punch HX2 RFD2210	10″	dual 4 Ω	30	0.41	0.99	0.55	500
Punch P1S2-10 !	10″	2 Ω	30	0.59	1.25	0.35	250
Punch P1S4-10	10″	4 Ω	30	0.51	1.41	0.35	250
Punch P2D2-10	10″	dual 2 Ω	29	0.50	1.25	0.43	300
Punch P2D4-10	10″	dual 4 Ω	30.8	0.57	1.25	0.43	300
Punch P3D2-10	10″	dual 2 Ω	26.6	0.50	0.95	0.60	500
Punch P3D4-10	10″	dual 4 Ω	28	0.56	0.95	0.63	500
Punch P3SD2-10 (Shallow)	10″	dual 2 Ω	40	0.64	0.50	0.33	300
Punch P3SD4-10 (Shallow)	10″	dual 4 Ω	42	0.78	0.50	0.32	300
Punch P3SD210 (Shallow, 2007)	10″	dual 2 Ω	44	0.66	0.37	0.43	300
Punch P3SD410 (Shallow, 2007)	10″	dual 4 Ω	45	0.73	0.37	0.43	300
Punch P110S4 (Stage-1, 2004)	10″	4 Ω	30	0.52	1.57	0.31	150
Punch P210S8 (Stage-2, 2004)	10″	8 Ω	33	0.51	1.27	0.43	200
Punch P310D4 (Stage-3, 2004)	10″	dual 4 Ω	29	0.55	0.87	0.47	400
Punch Power RFR-1410 (1996)	10″	4 Ω	28	0.28	2.08	0.30	300
Punch Z RFZ3810	10″	8 Ω	27	0.49	2.65	0.30	150
Series 1 S1-410 (1994)	10″	4 Ω	36	0.36	2.40	0.20	100
Power HX2 RFR3112 !	12″	dual 2 Ω	26	0.35	1.15	0.75	1,000
Power T0D212	12″	dual 2 Ω	25.3	0.47	1.94	0.55	700
Power T0D412	12″	dual 4 Ω	26	0.53	1.95	0.58	700
Power T1D212	12″	dual 2 Ω	28	0.52	1.97	0.63	800
Power T1D412	12″	dual 4 Ω	29.2	0.61	1.97	0.63	800
Power T1S1-12 (Slim)	12″	1 Ω	36	1.06	1.14	0.59	600
Power T1S2-12 (Slim)	12″	2 Ω	37	1.06	1.14	0.59	600
Power T2D212	12″	dual 2 Ω	38.7	0.49	0.48	0.88	1,200
Power T2D412	12″	dual 4 Ω	39.9	0.59	0.48	0.87	1,200
Power T112D2 (2004)	12″	dual 2 Ω	31	0.47	1.23	0.55	600
Power T112D4 (2004)	12″	dual 4 Ω	33	0.55	1.23	0.55	600
Power T212D2 (2004)	12″	dual 2 Ω	28	0.38	0.93	0.75	1,000
Prime R1S4-12	12″	4 Ω	30.5	0.54	3.19	0.28	200
Prime R2D2-12	12″	dual 2 Ω	34.6	0.58	2.34	0.26	250
Prime R2D4-12	12″	dual 4 Ω	34.9	0.61	2.43	0.26	250
Prime R2SD2-12 (Shallow)	12″	dual 2 Ω	29.7	0.66	2.31	0.39	250
Prime R2SD4-12 (Shallow)	12″	dual 4 Ω	30.3	0.65	2.31	0.39	250
Punch HE2 RFP3212 (2002)	12″	dual 4 Ω	28	0.51	2.58	0.51	400
Punch HE2 RFP4112	12″	dual 2 Ω	27	0.58	2.08	0.51	400
Punch HE2 RFP4212	12″	dual 4 Ω	29	0.62	1.93	0.51	400
Punch HX2 RFD1212 (2000)	12″	dual 4 Ω	26	0.39	4.24	0.55	500
Punch HX2 RFD2212	12″	dual 4 Ω	26	0.49	2.65	0.55	500
Punch P1S2-12 !	12″	2 Ω	25	0.67	3.12	0.35	250
Punch P1S4-12 !	12″	4 Ω	25	0.48	3.12	0.35	250
Punch P2D2-12	12″	dual 2 Ω	26	0.52	2.88	0.52	400
Punch P2D4-12	12″	dual 4 Ω	27.2	0.54	2.88	0.52	400
Punch P3D2-12	12″	dual 2 Ω	26.5	0.49	2.04	0.60	600
Punch P3D4-12	12″	dual 4 Ω	27.7	0.52	2.04	0.63	600
Punch P3SD2-12 (Shallow)	12″	dual 2 Ω	34	0.67	1.25	0.33	400
Punch P3SD4-12 (Shallow)	12″	dual 4 Ω	35.4	0.72	1.25	0.32	400
Punch P3SD212 (Shallow, 2007)	12″	dual 2 Ω	43	0.70	0.74	0.43	400
Punch P3SD412 (Shallow, 2007)	12″	dual 4 Ω	45	0.74	0.74	0.43	400
Punch P212S8 (Stage-2, 2004)	12″	8 Ω	28	0.59	2.85	0.43	200
Punch P312D2 (Stage-3, 2004)	12″	dual 2 Ω	27	0.48	1.55	0.47	500
Punch PCH-124 (1992)	12″	4 Ω	32	0.29	4.70	0.19	100
Punch SP-412 (1990)	12″	4 Ω	32	0.58	5.16	0.24	100
Punch SP-812 (1990)	12″	8 Ω	34	0.65	5.16	0.24	100
Punch Z RFZ3412	12″	4 Ω	25	0.40	5.76	0.30	150
Power T2S1-13 !	13″	1 Ω	25	0.34	2.45	1.34	2,000
Power T2S2-13 !	13″	2 Ω	25.5	0.35	2.43	1.34	2,000
Power RFR2215 (2000)	15″	dual 4 Ω	20	0.35	9.18	0.53	1,000
Power T0D215	15″	dual 2 Ω	25.5	0.44	3.33	0.55	800
Power T0D415	15″	dual 4 Ω	26.2	0.52	3.33	0.58	800
Power T1D215	15″	dual 2 Ω	26.3	0.43	3.60	0.65	1,000
Power T1D415	15″	dual 4 Ω	27	0.50	3.60	0.65	1,000
Power T2D215	15″	dual 2 Ω	31	0.52	1.71	0.87	1,200
Power T2D415	15″	dual 4 Ω	31	0.61	1.82	0.88	1,200
Power T115D4 (2004)	15″	dual 4 Ω	27	0.51	3.15	0.55	600
Power T215D4 (2004)	15″	dual 4 Ω	25	0.44	3.12	0.75	1,000
Punch HE2 RFP4115	15″	dual 2 Ω	22	0.62	5.76	0.51	500
Punch HE2 RFP4215	15″	dual 4 Ω	23	0.74	5.10	0.51	500
Punch HX2 RFD1215 (2000)	15″	dual 4 Ω	24	0.48	7.06	0.55	600
Punch P1S2-15 !	15″	2 Ω	23	0.65	6.76	0.35	250
Punch P1S4-15	15″	4 Ω	23	0.52	6.76	0.35	250
Punch P2D2-15	15″	dual 2 Ω	20	0.62	7.76	0.52	400
Punch P2D4-15	15″	dual 4 Ω	20.9	0.65	7.76	0.48	400
Punch P3D2-15	15″	dual 2 Ω	21.7	0.54	5.50	0.60	600
Punch P3D4-15	15″	dual 4 Ω	22.4	0.57	5.50	0.63	600
Punch P115S4 (Stage-1, 2004)	15″	4 Ω	24	0.62	6.07	0.31	200
Punch XLC RFP-1415 (1996)	15″	4 Ω	21	0.36	14.34	0.31	200
Power T2S1-16 !	16″	1 Ω	28.5	0.49	2.98	1.34	2,500
Power T2S2-16 !	16″	2 Ω	28.5	0.49	3.18	1.34	2,500
Punch HX2 RFD3218	18″	dual 4 Ω	24	0.46	7.03	0.75	1,000
Power T3S1-19 !	19″	1 Ω	27	0.32	3.70	1.34	3,000
Power T3S2-19 !	19″	2 Ω	27	0.31	3.65	1.34	3,000

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