TrueSpecs

Compare technical specifications (up to 4 speakers).

HiFi Ladder

Browse every speaker side by side, ordered by size or by price.

HiFi Search

Find speakers by the specs you want.

TrueScaleAudio

Compare speakers at true scale

Pick two speakers and see them side by side at their real-world size.

Speaker A
Speaker B
OverlaySide by side
Presentation mode
References

Front view — side by side at true scale

AQ Acoustics Concept 300BHarbeth Monitor 30.3 XD2
Q Acoustics Concept 300 front view
Harbeth Monitor 30.3 XD2 front view

Click either cabinet to swap A ↔ B · Reference height: 460 mm (46.0 cm) · 1 mm = 1.22 px

TrueSpecs presentation

Specifications

mm / kgin / lb
AB
ManufacturerQ AcousticsHarbeth
ModelQ Acoustics Concept 300Harbeth Monitor 30.3 XD2
Height355 mm460 mm
Width200 mm277 mm
Depth400 mm275 mm
Weight14.5 kg11.6 kg
Enclosurebass-reflex-rearsealed
Drivers1× 28 mm tweeter (soft dome), 1× 165 mm mid-bass (coated paper cone)1× 25 mm tweeter (ferrofluid-cooled dome), 1× 200 mm mid-bass (RADIAL polymer cone)
Frequency — low55 Hz50 Hz
Frequency — high30000 Hz20000 Hz
Sensitivity84 dB85 dB
Impedance6 Ω6 Ω
Recommended amp25–200 W—
MAP (USD)$6,399 / pair$6,290 / pair
Where to buyCheck availability ↗Check availability ↗
Brand websiteqacoustics.com ↗harbeth.co.uk ↗
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.