Dayton Audio RSS315HF-4

12" · 4 Ω · 400 W · 89.4 dB · datasheet ↗

Thiele-Small parameters

Nominal size	12"
Impedance	4 Ω
Fs	25 Hz
Qts	0.489
Qes	0.58
Qms	3.12
Vas	85.1 L
Sd	514.7 cm²
Xmax	10.1 mm
Re	3.3 Ω
Bl	12.6 T·m
Mms	176.9 g
Pe	400 W
Sensitivity	89.4 dB

Alignment hint

EBP	43 · sealed
Sealed Vb (Qtc ≈ 0.71)	≈ 78 L

EBP < 50: favours a sealed (closed) alignment.

Rules of thumb from T/S parameters only. Verify against a real simulation before cutting wood.

Substitute candidates

Driver	Fs (Hz)	Qts	Vas (L)	Xmax (mm)	Sens (dB)	Fit	Notes	Compare
Rockford Fosgate S2-124	27 +2	0.498 +0.01	77 -8.1	10.7 +0.6	89.9 +0.5	close		+
Focal AUDITOR RSB-300	25 =	0.466 -0.02	93 +7.9	10.2 +0.1	87.4 -2	close	8 Ω vs 4 Ω: amp load changes · 300 W vs 400 W: lower power handling	+
Infinity REFERENCE 1240W	25.4 +0.4	0.47 -0.02	84.4 -0.7	11.5 +1.4	86.3 -3.1	close	300 W vs 400 W: lower power handling	+
Infinity REFERENCE 1250W	25.4 +0.4	0.47 -0.02	84.4 -0.7	11.5 +1.4	86.3 -3.1	close	300 W vs 400 W: lower power handling	+
JL Audio 12W3V3-4	26.7 +1.7	0.446 -0.04	80.6 -4.5	10.9 +0.8	90.6 +1.2	close		+
Blaupunkt VCS 1200	23 -2	0.487 =	102 +16.9	13 +2.9	89.9 +0.5	close		+
JL Audio 12W6V2-D4	25 =	0.45 -0.04	79.9 -5.2	12.7 +2.6	86.9 -2.5	close	8 Ω vs 4 Ω: amp load changes	+
Ground Zero GZUW 300SQ	25.3 +0.3	0.423 -0.07	86.6 +1.5	12.9 +2.8	88 -1.4	close	8 Ω vs 4 Ω: amp load changes	+
Dayton Audio TIT320C-4 Titanic Mk III	24.9 -0.1	0.458 -0.03	64.3 -20.8	10.5 +0.4	89.2 -0.2	close		+
JL Audio 12W1V3-4	26.21 +1.21	0.5 +0.01	76.63 -8.47	11 +0.9	86.1 -3.3	close	300 W vs 400 W: lower power handling	+

Compare the closest 3 against the RSS315HF-4 →

Ranked on parameter similarity only (Qts, Fs, Vas, Xmax, sensitivity). Same nominal size required. A hint, not a simulation, model the swap before cutting or buying.

Used in enclosures (0)

No enclosure in the catalog uses this driver yet.