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TrueSpecs

Compare technical specifications (up to 4 speakers).

HiFi Ladder

Browse every speaker ordered by size, side by side.

Speaker A
Speaker B
OverlaySide by side
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References

Front view — side by side at true scale

AJBL Summit K2BELAC Concentro M807
JBL Summit K2 front view
ELAC Concentro M807 front view

Click either cabinet to swap A ↔ B · Reference height: 52.8 in · 1 in = 10.61 px

Specifications

mm / kgin / lb
AB
ManufacturerJBLELAC
ModelJBL Summit K2ELAC Concentro M807 2.0
Height50.4 in52.8 in
Width24.4 in18.4 in
Depth18.1 in23.4 in
Weight239 lb136.7 lb
Enclosurebass-reflex-rearbass-reflex-rear
Drivers3× 1.5 in tweeter (Teonex annular-ring diaphragm), 1× 9.8 in midrange (Hybrid Carbon Cellulose Composite (HC4) cone), 1× 15 in woofer (Hybrid Carbon Cellulose Composite (HC4) cone)1× tweeter (JET 6c pleated-folded ribbon), 6× 1.6 in midrange (aluminium A-XR cone), 2× 4.5 in midrange (aluminium AS-XR cone), 2× 9.8 in woofer (aluminium AS cone)
Frequency — low24.6 Hz24 Hz
Frequency — high23500 Hz50000 Hz
Sensitivity92 dB88 dB
Impedance4 Ω4 Ω
Recommended amp25–600 W80–600 W
MAP (USD)—$45,000 / pair
Brand websitejbl.com ↗elac.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.