Product comparison · 2 car subwoofers

Hama Ground Zero GZTB 200XACT vs Kenwood KFC-PS3017W 400 W

8specifications compared
6differ
2identical
25known for one product only

Key differences

The Kenwood KFC-PS3017W 400 W has 330 W more subwoofer RMS power than the Hama Ground Zero GZTB 200XACT (400 W vs 70 W). The Kenwood KFC-PS3017W 400 W has 1,880 W more subwoofer peak power than the Hama Ground Zero GZTB 200XACT (2000 W vs 120 W). The Hama Ground Zero GZTB 200XACT has 22 mm more width than the Kenwood KFC-PS3017W 400 W (348 mm vs 326 mm). Subwoofer frequency range: 20 - 200 Hz on the Hama Ground Zero GZTB 200XACT, 29 - 300 Hz on the Kenwood KFC-PS3017W 400 W.

Subwoofer RMS power
- Ground Zero GZTB 200XACT:70 W
- KFC-PS3017W 400 W:400 W
Subwoofer frequency range
- Ground Zero GZTB 200XACT:20 - 200 Hz
- KFC-PS3017W 400 W:29 - 300 Hz
Subwoofer peak power
- Ground Zero GZTB 200XACT:120 W
- KFC-PS3017W 400 W:2000 W
Width
- Ground Zero GZTB 200XACT:348 mm
- KFC-PS3017W 400 W:326 mm
Depth
- Ground Zero GZTB 200XACT:265 mm
- KFC-PS3017W 400 W:155.4 mm
Height
- Ground Zero GZTB 200XACT:76 mm
- KFC-PS3017W 400 W:326 mm

Side by side

Differences highlightedShow differences only

Comparison of Ground Zero GZTB 200XACT, KFC-PS3017W
33 specifications	A Hama Ground Zero GZTB 200XACT View product	B Kenwood KFC-PS3017W 400 W Model KFC-PS3017W View product
Subwoofer3 differ
Subwoofer RMS powerDiffers	70 W	400 W
Subwoofer frequency rangeDiffers	20 - 200 Hz	29 - 300 Hz
Subwoofer peak powerDiffers	120 W	2000 W
Subwoofer sensitivityKnown for one	Unknown — not stated by the source	85 dB
Subwoofer impedanceKnown for one	Unknown — not stated by the source	4 Ω
DC resistance (Re)Known for one	Unknown — not stated by the source	3.7 Ω
Product typeKnown for one	Pre-loaded subwoofer	Unknown — not stated by the source
Number of driversKnown for one	1	Unknown — not stated by the source
Subwoofer driver diameterKnown for one	20 cm	Unknown — not stated by the source
Enclosure typeKnown for one	Enclosed	Unknown — not stated by the source
Technical detailsidentical
Voice coil inductance (Le)Known for one	Unknown — not stated by the source	2.04 mH
Displacement volumeKnown for one	Unknown — not stated by the source	1.2 cm³
Effective piston area (Sd)Known for one	Unknown — not stated by the source	512 cm²
Electrical Q-factor (Qes)Known for one	Unknown — not stated by the source	0.52
Force factor (Bl)Known for one	Unknown — not stated by the source	12.9
Mechanical Q-factor (Qms)Known for one	Unknown — not stated by the source	6.79
Moving mass (Mms)Known for one	Unknown — not stated by the source	152 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	0.483
Volume Acoustic Compliance (VAS)Known for one	Unknown — not stated by the source	104 L
Magnet typeKnown for one	Neotitanium	Unknown — not stated by the source
Phase controlKnown for one	Yes	Unknown — not stated by the source
Remotely operatedKnown for one	Yes	Unknown — not stated by the source
Materialidentical
Subwoofer driver diaphragm materialKnown for one	Unknown — not stated by the source	Polypropylene
Housing materialKnown for one	Titanium	Unknown — not stated by the source
Weight & dimensions3 differ
WidthDiffers	348 mm	326 mm
DepthDiffers	265 mm	155.4 mm
HeightDiffers	76 mm	326 mm
WeightKnown for one	Unknown — not stated by the source	4.2 kg
Mounting depthKnown for one	Unknown — not stated by the source	13.7 cm
Ports & interfacesidentical
InterfaceKnown for one	RCA	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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