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Infinity IRS Sigma

4-Way Loudspeaker System (1996)

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Infinity IRS Sigma


Type: 4 way, 5 driver loudspeaker system

Frequency Response: 30Hz to 42kHz

Recommended Amplifier: 100 to 500W

Crossover Frequency: 160, 600, 3800Hz

Impedance: 4Ω

Sensitivity: 87dB

Bass: 1 X 12" IMG cone

Midbass: 1 x 6.5" IMG cone

Midrange: 1 x EMIM

Tweeter: 2 x EMIT

Dimensions: 1422 X 457 X 406mm

Weight: 88.6kg

Year: 1996



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