Eighteen Sound 21iD specifications.

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Specification

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General characteristics Eighteen Sound 21iD

Type:

Subwoofer

Size:

21"

RMS Power:

1800 W

Max Power:

3600 W

Sensitivity:

94 dB

Impedance:

2Ω

DC resistance:

1.3 Ω

Frequency range:

29 - 1600 Hz

Resonant frequency:

38 Hz

Total Q factor:

0.23

Suspension equivalent air volume:

143 L

Maximum linear excursion:

14 mm

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