Product comparison · 2 car subwoofers

JBL Stage 1220B vs Kenwood KFC-PS2517W Subwoofer driver

12specifications compared
9differ
3identical
18known for one product only

Key differences

The JBL Stage 1220B has 100 W more subwoofer RMS power than the Kenwood KFC-PS2517W Subwoofer driver (500 W vs 400 W). The Kenwood KFC-PS2517W Subwoofer driver has 300 W more subwoofer peak power than the JBL Stage 1220B (1300 W vs 1000 W). The JBL Stage 1220B has 9 dB more subwoofer sensitivity than the Kenwood KFC-PS2517W Subwoofer driver (94 dB vs 85 dB). Subwoofer frequency range: 34 - 200 Hz on the JBL Stage 1220B, 33 - 300 Hz on the Kenwood KFC-PS2517W Subwoofer driver.

Subwoofer RMS power
- Stage 1220B:500 W
- KFC-PS2517W Subwoofer driver:400 W
Subwoofer frequency range
- Stage 1220B:34 - 200 Hz
- KFC-PS2517W Subwoofer driver:33 - 300 Hz
Subwoofer peak power
- Stage 1220B:1000 W
- KFC-PS2517W Subwoofer driver:1300 W
Subwoofer sensitivity
- Stage 1220B:94 dB
- KFC-PS2517W Subwoofer driver:85 dB
Subwoofer impedance
- Stage 1220B:2 Ω
- KFC-PS2517W Subwoofer driver:4 Ω
Voice coil diameter
- Stage 1220B:5.08 cm
- KFC-PS2517W Subwoofer driver:5 cm
Width
- Stage 1220B:764.5 mm
- KFC-PS2517W Subwoofer driver:275 mm
Depth
- Stage 1220B:347.5 mm
- KFC-PS2517W Subwoofer driver:142.2 mm

Side by side

Differences highlightedShow differences only

Comparison of Stage 1220B, KFC-PS2517W
30 specifications	A JBL Stage 1220B View product	B Kenwood KFC-PS2517W Subwoofer driver Model KFC-PS2517W View product
Subwoofer5 differ
Product type	Subwoofer driver	Subwoofer driver
Subwoofer type	Active subwoofer	Active subwoofer
Subwoofer RMS powerDiffers	500 W	400 W
Subwoofer frequency rangeDiffers	34 - 200 Hz	33 - 300 Hz
Subwoofer peak powerDiffers	1000 W	1300 W
Subwoofer sensitivityDiffers	94 dB	85 dB
Subwoofer impedanceDiffers	2 Ω	4 Ω
Number of driversKnown for one	2	Unknown — not stated by the source
Subwoofer driver diameter (imperial)Known for one	30.5 cm (12")	Unknown — not stated by the source
Subwoofer driver diameterKnown for one	30 cm	Unknown — not stated by the source
Technical details1 differ
Voice coil diameterDiffers	5.08 cm	5 cm
Product colour	Black	Black
Displacement volumeKnown for one	Unknown — not stated by the source	0.9 cm³
Driver unitKnown for one	Unknown — not stated by the source	25 cm
Effective piston area (Sd)Known for one	Unknown — not stated by the source	0.0512 cm²
Electrical Q-factor (Qes)Known for one	Unknown — not stated by the source	0.554
Force factor (Bl)Known for one	Unknown — not stated by the source	13.2
Magnet typeKnown for one	Unknown — not stated by the source	Ferrite
Mechanical Q-factor (Qms)Known for one	Unknown — not stated by the source	6.95
Moving mass (Mms)Known for one	Unknown — not stated by the source	124 g
Peak excursion (Xmax)Known for one	Unknown — not stated by the source	5.9 mm
Total Q-factor (Qts)Known for one	Unknown — not stated by the source	0.513
Volume Acoustic Compliance (VAS)Known for one	Unknown — not stated by the source	31.9 L
Weight & dimensions3 differ
WidthDiffers	764.5 mm	275 mm
DepthDiffers	347.5 mm	142.2 mm
HeightDiffers	380 mm	275 mm
WeightKnown for one	Unknown — not stated by the source	4 kg
Cutout diameterKnown for one	Unknown — not stated by the source	23 cm
Mounting depthKnown for one	Unknown — not stated by the source	12.4 cm
Materialidentical
Housing materialKnown for one	MDF	Unknown — not stated by the source

A dash means the value is not stated by the source. Unknown values are never counted for or against a product, and there is no overall score.

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