Product comparison · 2 car subwoofers

Hama GZRB 300BPX vs JBL GT5-12 car subwoofer Subwoofer driver

5specifications compared
3differ
2identical
25known for one product only

Key differences

The Hama GZRB 300BPX has 225 W more subwoofer RMS power than the JBL GT5-12 car subwoofer Subwoofer driver (500 W vs 275 W). The JBL GT5-12 car subwoofer Subwoofer driver has 0.5 cm more subwoofer driver diameter than the Hama GZRB 300BPX (30.5 cm vs 30 cm). Product type: Pre-loaded subwoofer on the Hama GZRB 300BPX, Subwoofer driver on the JBL GT5-12 car subwoofer Subwoofer driver.

Product type
- GZRB 300BPX:Pre-loaded subwoofer
- GT5-12 car subwoofer Subwoofer driver:Subwoofer driver
Subwoofer RMS power
- GZRB 300BPX:500 W
- GT5-12 car subwoofer Subwoofer driver:275 W
Subwoofer driver diameter
- GZRB 300BPX:30 cm
- GT5-12 car subwoofer Subwoofer driver:30.5 cm

Side by side

Differences highlightedShow differences only

Comparison of GZRB 300BPX, GT5-12
30 specifications	A Hama GZRB 300BPX View product	B JBL GT5-12 car subwoofer Subwoofer driver Model GT5-12 View product
Subwoofer3 differ
Product typeDiffers	Pre-loaded subwoofer	Subwoofer driver
Subwoofer type	Passive subwoofer	Passive subwoofer
Subwoofer RMS powerDiffers	500 W	275 W
Subwoofer frequency rangeKnown for one	Unknown — not stated by the source	27 - 450 Hz
Subwoofer peak powerKnown for one	Unknown — not stated by the source	1100 W
Subwoofer sensitivityKnown for one	Unknown — not stated by the source	90 dB
Subwoofer impedanceKnown for one	Unknown — not stated by the source	4 Ω
Number of driversKnown for one	Unknown — not stated by the source	1
Subwoofer driver diameter (imperial)Known for one	Unknown — not stated by the source	30.5 cm (12")
Subwoofer driver diameterDiffers	30 cm	30.5 cm
Enclosure typeKnown for one	Bandpass	Unknown — not stated by the source
Technical detailsidentical
Voice coil diameterKnown for one	Unknown — not stated by the source	5.1 cm
Voice coil typeKnown for one	Unknown — not stated by the source	Dual 4-layer
Voice coil inductance (Le)Known for one	Unknown — not stated by the source	1.26 mH
Product colour	Black	Black
Electrical Q-factor (Qes)Known for one	Unknown — not stated by the source	0.64
Mechanical Q-factor (Qms)Known for one	Unknown — not stated by the source	6.39
Moving mass (Mms)Known for one	Unknown — not stated by the source	216 g
Peak excursion (Xmax)Known for one	Unknown — not stated by the source	1.42 cm
Total Q-factor (Qts)Known for one	Unknown — not stated by the source	0.58
Volume Acoustic Compliance (VAS)Known for one	Unknown — not stated by the source	54.2 L
Installation compartment depthKnown for one	Unknown — not stated by the source	16.4 cm
BacklightKnown for one	Yes	Unknown — not stated by the source
ImpedanceKnown for one	4 Ω	Unknown — not stated by the source
Weight & dimensionsidentical
DiameterKnown for one	Unknown — not stated by the source	31.3 cm
WidthKnown for one	500 mm	Unknown — not stated by the source
DepthKnown for one	390 mm	Unknown — not stated by the source
HeightKnown for one	510 mm	Unknown — not stated by the source
VolumeKnown for one	58 L	Unknown — not stated by the source
Materialidentical
Housing materialKnown for one	MDF, Wood	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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