Dayton Audio RSS460HO-4

18" · 4 Ω · 900 W · 92.9 dB · datasheet ↗

Thiele-Small parameters

Nominal size	18"
Impedance	4 Ω
Fs	19.6 Hz
Qts	0.387
Qes	0.43
Qms	3.9
Vas	298 L
Sd	1164 cm²
Xmax	12.8 mm
Re	3.41 Ω
Bl	20.3 T·m
Mms	420.2 g
Pe	900 W
Sensitivity	92.9 dB

Alignment hint

EBP	46 · sealed
Sealed Vb (Qtc ≈ 0.71)	≈ 127.4 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
CSS Audio Maelstrom 18 DVC by Exodus Audio	17.4 -2.2	0.376 -0.01	313 +15	14.7 +1.9	91.2 -1.7	close		+
BMS 18N860	24 +4.4	0.372 -0.02	304 +6	15 +2.2	93.7 +0.8	close	8 Ω vs 4 Ω: amp load changes	+
Aura Sound NS18-992-4A	20 +0.4	0.47 +0.08	322 +24	14.5 +1.7	93.2 +0.3	close		+
Dayton Audio RSS460HO-4 v2015	18.8 -0.8	0.322 -0.06	272 -26	11.9 -0.9	93.1 +0.2	close	Xmax 11.9 mm < 12.8 mm: lower excursion-limited SPL	+
FI Audio HT-3	21.3 +1.7	0.423 +0.04	235.9 -62.1	17 +4.2	92.9 =	usable		+
Dayton Audio SS18-22	21 +1.4	0.374 -0.01	224 -74	12.8 =	90.6 -2.3	usable	8 Ω vs 4 Ω: amp load changes	+
TC Sounds LMS-ULTRA 5400	20.5 +0.9	0.325 -0.06	240.7 -57.3	16 +3.2	93.1 +0.2	usable		+
Stereo Integrity HST-18 Dual 2 Ohms	16.4 -3.2	0.388 =	267 -31	19 +6.2	89.7 -3.2	usable		+
BMS 18N862 vp	24.8 +5.2	0.383 =	345.6 +47.6	16.2 +3.4	94.8 +1.9	usable	8 Ω vs 4 Ω: amp load changes	+
Stereo Integrity HT 18	17 -2.6	0.383 =	411.9 +113.9	25.1 +12.3	92.5 -0.4	usable		+

Compare the closest 3 against the RSS460HO-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.