Product comparison · 2 loudspeakers

JBL CONTROL® SERIES 12C/T-BK Black Wired vs JBL CONTROL® SERIES 321C Black Wired

17specifications compared
12differ
5identical
13known for one product only

Key differences

Driver diaphragm material
- CONTROL® SERIES 12C/T-BK Black Wired:Polypropylene
- CONTROL® SERIES 321C Black Wired:Kevlar
RMS rated power
- CONTROL® SERIES 12C/T-BK Black Wired:40 W
- CONTROL® SERIES 321C Black Wired:250 W
Frequency range
- CONTROL® SERIES 12C/T-BK Black Wired:68 - 17000 Hz
- CONTROL® SERIES 321C Black Wired:34 - 18000 Hz
Impedance
- CONTROL® SERIES 12C/T-BK Black Wired:8 Ω
- CONTROL® SERIES 321C Black Wired:5.6 Ω
Sensitivity
- CONTROL® SERIES 12C/T-BK Black Wired:84 dB
- CONTROL® SERIES 321C Black Wired:94 dB
Width
- CONTROL® SERIES 12C/T-BK Black Wired:196 mm
- CONTROL® SERIES 321C Black Wired:366 mm
Depth
- CONTROL® SERIES 12C/T-BK Black Wired:196 mm
- CONTROL® SERIES 321C Black Wired:366 mm
Height
- CONTROL® SERIES 12C/T-BK Black Wired:138 mm
- CONTROL® SERIES 321C Black Wired:223 mm

Side by side

Differences highlightedShow differences only

Comparison of 12C/T-BK, 321C
30 specifications	A JBL CONTROL® SERIES 12C/T-BK Black Wired Model 12C/T-BK View product	B JBL CONTROL® SERIES 321C Black Wired Model 321C View product
Loudspeakers1 differ
Speaker placement	In-wall/in-ceiling	In-wall/in-ceiling
Number of drivers	1	1
Driver diaphragm materialDiffers	Polypropylene	Kevlar
TweeterKnown for one	Unknown — not stated by the source	Yes
Tweeter diameterKnown for one	Unknown — not stated by the source	2.5 cm
Tweeter diameter (imperial)Known for one	Unknown — not stated by the source	2.54 cm (1")
WooferKnown for one	Unknown — not stated by the source	Yes
Woofer diameter (imperial)Known for one	Unknown — not stated by the source	30.5 cm (12")
Driver diameterKnown for one	7.6 cm	Unknown — not stated by the source
Audio4 differ
RMS rated powerDiffers	40 W	250 W
Frequency rangeDiffers	68 - 17000 Hz	34 - 18000 Hz
ImpedanceDiffers	8 Ω	5.6 Ω
SensitivityDiffers	84 dB	94 dB
Crossover frequencyKnown for one	Unknown — not stated by the source	1800 Hz
Performance1 differ
Product colour	Black	Black
Housing materialDiffers	Acrylonitrile butadiene styrene (ABS), Steel	Metal
Recommended usageKnown for one	Home	Unknown — not stated by the source
Ports & interfacesidentical
Connectivity technology	Wired	Wired
Binding post	Yes	Yes
Weight & dimensions5 differ
WidthDiffers	196 mm	366 mm
DepthDiffers	196 mm	366 mm
HeightDiffers	138 mm	223 mm
WeightDiffers	1.6 kg	7.3 kg
DiameterDiffers	19.6 cm	36.6 cm
Packaging data1 differ
Package weightDiffers	6.7 kg	8.8 kg
Other featuresidentical
Voice coil diameterKnown for one	Unknown — not stated by the source	5 cm
Detachable protection coverKnown for one	Yes	Unknown — not stated by the source
Poweridentical
DC input voltageKnown for one	70/100 V	Unknown — not stated by the source
Transformer tapsKnown for one	7.5,15 W	Unknown — not stated by the source
Packaging contentidentical
Mounting brackets includedKnown for one	Yes	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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