Product comparison · 2 car subwoofers

Hama GZRB 250BPX vs JBL GT-12BP car subwoofer Pre-loaded subwoofer

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  • 7specifications compared
  • 5differ
  • 2identical
  • 11known for one product only

Key differences

The Hama GZRB 250BPX has 100 W more subwoofer RMS power than the JBL GT-12BP car subwoofer Pre-loaded subwoofer (400 W vs 300 W). The JBL GT-12BP car subwoofer Pre-loaded subwoofer has 5 cm more subwoofer driver diameter than the Hama GZRB 250BPX (30 cm vs 25 cm). The JBL GT-12BP car subwoofer Pre-loaded subwoofer has 25 mm more width than the Hama GZRB 250BPX (475 mm vs 450 mm).

  • Subwoofer RMS power
    • GZRB 250BPX:400 W
    • GT-12BP car subwoofer Pre-loaded subwoofer:300 W
  • Subwoofer driver diameter
    • GZRB 250BPX:25 cm
    • GT-12BP car subwoofer Pre-loaded subwoofer:30 cm
  • Width
    • GZRB 250BPX:450 mm
    • GT-12BP car subwoofer Pre-loaded subwoofer:475 mm
  • Depth
    • GZRB 250BPX:340 mm
    • GT-12BP car subwoofer Pre-loaded subwoofer:412 mm
  • Height
    • GZRB 250BPX:440 mm
    • GT-12BP car subwoofer Pre-loaded subwoofer:390 mm

Side by side

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Comparison of GZRB 250BPX, GT-12BP
18 specifications
Subwoofer2 differ
Product typePre-loaded subwooferPre-loaded subwoofer
Subwoofer typePassive subwooferPassive subwoofer
Subwoofer RMS powerDiffers400 W300 W
Subwoofer driver diameterDiffers25 cm30 cm
Enclosure typeKnown for oneBandpassUnknown — not stated by the source
Subwoofer frequency rangeKnown for oneUnknown — not stated by the source45 - 130 Hz
Subwoofer peak powerKnown for oneUnknown — not stated by the source1200 W
Subwoofer sensitivityKnown for oneUnknown — not stated by the source93 dB
Subwoofer impedanceKnown for oneUnknown — not stated by the source4 Ω
Subwoofer driver diameter (imperial)Known for oneUnknown — not stated by the source30.5 cm (12")
Technical detailsidentical
Product colourKnown for oneBlackUnknown — not stated by the source
BacklightKnown for oneYesUnknown — not stated by the source
ImpedanceKnown for one4 ΩUnknown — not stated by the source
Materialidentical
Housing materialKnown for oneMDF, WoolUnknown — not stated by the source
Weight & dimensions3 differ
WidthDiffers450 mm475 mm
DepthDiffers340 mm412 mm
HeightDiffers440 mm390 mm
VolumeKnown for one39 LUnknown — 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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