Axis AXIS C3003-E Network Horn Speaker Speaker coverage calculation

Speaker Coverage Calculation

Speaker coverage calculation

How to calculate the number of speakers needed for a project

Before calculating the number of speakers that are needed for a certain area, you need to know the area’s
ceiling height. Since speakers, as opposed to cameras, do not have sharp angles, the number of speakers in a
certain project can vary depending on how uniform you need the audio experience to be. With more speakers,
it is possible to create a more even dB SPL throughout the area.

This document will cover two different systems. Your number of speakers can be anything in between these
two systems, depending on the project requirements and final cost.

Basic s ystem

This system will give you the minimum number of speakers needed to cover a certain area. Going below this
number of speakers is never recommended, since the dB SPL would vary too much within the area.

Examples of businesses choosing a Basic system could be a grocery store or a DIY store.

Premium s ystem

This system will give you twice the number of speakers compared to a Basic system. A more even dB SPL will
be created throughout the area. If you wish, you can also go above this number of speakers.

Example of businesses choosing a Premium system could be a high-end fashion store.

Choosing the right speaker

These calculations are mainly for AXIS C1004-E and AXIS C2005 speakers. In certain cases, you need
AXIS C3003-E speaker, for instance, in a warehouse with a ceiling higher than around 15 ft / 5 m, or in a
noisy environment with a loud ambient dB SPL. For more details, see the document Introduction to Audio,
which includes a diagram over different noise levels and how they can be perceived.

AXIS Site Designer

You can also use the AXIS Site Designer available at https://sitedesigner.axis.com to calculate the number of
speakers needed. Calculations are default to a Premium s ystem but you can check the Basic system checkbox

to calculate for a Basic system.

www.axis.com

Coverage Calculation Tables

Mounting Height

2,5m 96

3,0m 93

3,5m 90

4,0m 88

m

4,5

5,0m 85 / 110*

5,5m 84 / 109*

6,0m 83 / 108*

6,5m 82 / 107*

7,0m 81 / 106*

8,0m 80 / 105*

9,0m 79 / 104*

10,0m 78 / 103*

dB SPL @ 1,5m

from floor

6

8

Premium System

Coverage per speaker

19,6m²

28,3m²

38,5m²

50,2m²

63,6m²

78,5m²

95,0m²

113,0

132,7m

153,9m

201,0m

m

²

²

²

²

254,3m²

314,0m

²

Basic System

Coverage per speaker

39,3m²

56,5m²

76,9m²

m

²

²

²

²

²

²

²

²

100,5m

127,2m

157,0m

190,0m

226,1

265,3m

307,7m

401,9m

508,7m²

628,0m

²

Mounting Height

8ft 96

10ft 93

11ft 90

13ft 88

t

15f

16ft 85 / 110*

18ft 84 / 109*

20ft 83 / 108*

21ft 82 / 107*

23ft 81 / 106*

26ft 80 / 105*

30ft 79 / 104*

33ft 78 / 103*

dB SPL @ 5ft

from floor

6

8

Premium System

Coverage per speaker

211sq ft

304sq ft

414sq ft

541sq ft

684sq ft

845sq ft

1022sq

1216s

1427sq

1655sq

2162sq

ft

ft

q

ft

ft

ft

2736sq ft

3378sq

ft

Basic System

Coverage per speaker

422sq ft

608sq ft

828sq ft

1081sq ft

1368sq ft

1689sq ft

2044sq ft

2432s

q ft

2855sq ft

3311sq ft

4324sq ft

5473sq ft

6756sq ft

* AXIS C3003-E

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