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Compare speakers at true scale

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Speaker B
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Front view — side by side at true scale

AQ Acoustics 3030iBCastle Knight 2
Q Acoustics 3030i front view
Castle Knight 2 front view

Click either cabinet to swap A ↔ B · Reference height: 15.0 in · 1 in = 37.43 px

Q Acoustics 3030ivsCastle Knight 2

The Castle Knight 2 stands 38.0 cm tall — about 5.5 cm more than the Q Acoustics 3030i at 32.5 cm. At 90 dB against 88 dB, the Castle Knight 2 is the easier load to drive and plays louder from the same amplifier. The Castle Knight 2 reaches deeper in the bass, down to 42 Hz versus 46 Hz. Low frequencies come from a 165 mm cone on the Q Acoustics 3030i and a 150 mm cone on the Castle Knight 2. Both land in a similar price bracket, around $505 a pair.

TrueSpecs presentation

Specifications

mm / kgin / lb
AB
ManufacturerQ AcousticsCastle
ModelQ Acoustics 3030iCastle Knight 2
Height12.8 in15 in
Width7.9 in7.9 in
Depth13 in13.2 in
Weight14.1 lb17.3 lb
Enclosurebass-reflex-rearbass-reflex-rear
Drivers1× 0.9 in tweeter (soft dome), 1× 6.5 in mid-bass (coated paper cone)1× 5.9 in mid-bass, 1× 1 in tweeter (soft dome)
Frequency — low46 Hz42 Hz
Frequency — high30000 Hz24000 Hz
Sensitivity88 dB90 dB
Impedance6 Ω8 Ω
Recommended amp25–75 W15–125 W
MAP (USD)$499.96 / pair$510 / pair
Where to buyCheck availability ↗Check availability ↗
Brand websiteqacoustics.com ↗castle.uk.com ↗
Product pageOpen product page ↗Open product page ↗

Larger value highlighted in green. For low-frequency extension, lower Hz = greater bass reach, so the deeper side is highlighted.