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Room speaker placement calculator Created by Audiovisuality P/L

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Electro-Voice ZLX-15P G2

A powered full-range top, 1 x 15 in LF + 1 x 1.4 in HF compression driver. The figures below have not yet been checked against the datasheet.

Unverified data. Entered from the manufacturer’s page. Check the datasheet before relying on it.

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Specifications used

Maximum level129 dB at 1 m
Power1000 W (rated power as printed (type not specified))
Coverage90° horizontal × 60° vertical
Frequency range42 Hz to 20000 Hz (-10 dB range, half-space; -3 dB response printed as 48 Hz - 18 kHz)
Weight16.78 kg
Size (w × h × d)422.8 × 697.6 × 383.1 mm
SourceManufacturer page (2026-10-10)

How the level was stated. Footnote: measured at 1 m with broadband pink noise at maximum output. Peak or continuous not stated.

Coverage definition. Printed as 90 x 60 degrees, H x V (a stray footnote mark follows the 60); the datasheet does not define the angle (no -6 dB statement).

Notes. No sensitivity printed. No built-in pole socket listed; only optional BRKT-POLE-L bracket (up to 15 in), so poleMount left out.

Coverage shape

Horizontal: 90° (seen from above)
Vertical: 60° (seen from the side)

What the figures mean at distance

Taking 129 dB at 1 m on axis and the free-field rule of 6 dB lost per doubling of distance, this is the most the speaker can reach and how wide and high its nominal coverage is at each distance. A real room adds reflections, and a speaker is not normally run at its maximum.

DistanceLevel on axisCoverage widthCoverage height
2 m123.0 dB4.0 m2.3 m
5 m115.0 dB10.0 m5.8 m
10 m109.0 dB20.0 m11.5 m
15 m105.5 dB30.0 m17.3 m
20 m103.0 dB40.0 m23.1 m

See level and distance and coverage angles for how these are worked out.

Planning estimate only. The calculation ignores reverberation, reflections and room modes. See terms and disclaimer.