
SONANCE INVISIBLE SERIES
SPEAKER INSTALLATION
TABLE OF CONTENTS
INTRODUCTION: INVISIBLE SPEAKERS 2-3
SPECIFICATIONS 2-3
IS SPEAKER INSTALLATION DETAIL VIEW 4
WIRE GAUGE CHART 4
NEW CONSTRUCTION 5-8
EXISTING CONSTRUCTION 9-11
FINISHING INSTRUCTIONS 12-16
NOTES 17
WARRANTY 18
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1

INTRODUCTION
SONANCE offers what few have before: the ability to contribute to brilliant architecture and genius
design by removing an element. By removing dated protruding fixtures and other traditional wall-mounted
necessities, and replacing them with flush fixtures, the products bow out of the spotlight and allow the
artistic structure to take center stage. SONANCE INVISIBLE SERIES offers audiophile quality and ease
of installation to any design project.
SONANCE INVISIBLE SERIES
IS4
The new benchmark for invisible speakers. The IS4 features state of the art planar diaphragm
technology. The rigid metal frame and optional enclosure make this speaker the best
sounding fully concealed speaker in the world.
SPECIFICATIONS
Tweeter 4 sq. in (27 sq. cm) planar diaphragm, driven by a 1” (25mm) voice coil
Midrange 17 sq. in (110 sq. cm) planar diaphragm, driven by a 1” (25mm) voice coil
Woofer 113 sq. in (732 sq. cm) planar diaphragm, driven by a 2” (50mm) voice coil
Frequency Response 40Hz – 20kHz ±3dB
Impedance 8 ohms nominal
Power Handling 100 watts RMS
Sensitivity 90dB (1W/1 meter)
Dispersion 170º hemispherical up to 10kHz
Finish Paper surface ready for texture and paint
Overload Protection Three independent self-resetting gel switches (low, mid and high)
Cutout Dims Without Enclosure (WxHxD) 16-1/8” x 24-1/8” x 2” (409mm x 613mm x 51mm)
Cutout Dims With Enclosure (WxHxD) 16-1/8” x 24-1/8” x 3-13/16” (409mm x 613mm x 97mm)
Shipping Weight 25 lbs (11.25 kg) pair
IS4 SST
The IS4 SST features single stereo technology, the ability to drive one speaker with two inputs.
The IS4 SST is impedance matched to ensure proper amplifier protection. The perfect choice
for small areas, such as hallways and corridors where two speakers would be impractical or
impossible to install.
SPECIFICATIONS
Tweeter 4 sq. in (27 sq. cm) planar diaphragm, driven by a 1” (25mm) dual voice coil
Midrange 17 sq. in (110 sq. cm) planar diaphragm, driven by a 1” (25mm) dual voice coil
Woofer 113 sq. in (732 sq. cm) planar diaphragm, driven by a 2” (50mm) dual voice coil
Frequency Response 40Hz – 20kHz ±3dB
Impedance 8 ohms nominal
Power Handling 100 watts RMS
Sensitivity 90dB (1W/1 meter)
Dispersion 170º hemispherical up to 10kHz
Finish Paper surface ready for texture and paint
Overload Protection Three independent self-resetting gel switches (low, mid and high)
Cutout Dims Without Enclosure (WxHxD) 16-1/8” x 24-1/8” x 2” (409mm x 613mm x 51mm)
Cutout Dims With Enclosure (WxHxD) 16-1/8” x 24-1/8” x 3-13/16” (409mm x 613mm x 97mm)
Shipping Weight 13 lbs (5.85 kg) each
2

ISW
The ISW is a low frequency reinforcement to the IS line. Two voice coils drive the diaphragm
for unsurpassed invisible low end response.
SPECIFICATIONS
Woofer 170 sq. in (1098 sq. cm) planar diaphragm, driven by two 2” (50mm)
voice coils
Frequency Response 35Hz – 150Hz ±3dB
Impedance 8 ohms nominal
Power Handling 100 watts RMS
Sensitivity 90dB (1W/1 meter)
Dispersion 170º hemispherical up to 10kHz
Finish Paper surface ready for texture and paint
Overload Protection Self-resetting gel switch
Cutout Dims Without Enclosure (WxHxD) 16-1/8” x 24-1/8” x 2” (409mm x 613mm x 51mm)
Cutout Dims With Enclosure (WxHxD) 16-1/8” x 24-1/8” x 3-13/16” (409mm x 613mm x 97mm)
Shipping Weight 13 lbs (5.85 kg) each
IS2
The IS2 is designed for tight installations or very small spaces yet delivers sound that is only
bested by the IS4.
SPECIFICATIONS
Tweeter 4 sq. in (27 sq. cm) planar diaphragm, driven by a 1” (25mm) voice coil
Woofer 50 sq. in (320 sq. cm) planar diaphragm, driven by a 1” (25mm) voice coil
Frequency Response 50Hz – 20kHz ±3dB
Impedance 8 ohms nominal
Power Handling 80 watts RMS
Sensitivity 88dB (1W/1 meter)
Dispersion 170º hemispherical up to 10kHz
Finish Paper surface ready for texture and paint
Overload Protection Two independent self-resetting gel switches (low and high)
Cutout Dims Without Enclosure (WxHxD) 16-3/32” x 12-3/32” x 2” (409mm x 307mm x 51mm)
Cutout Dims With Enclosure (WxHxD) 16-3/32” x 12-3/32” x 3-13/16” (409mm x 307mm x 97mm)
Shipping Weight 12 lbs (5.5 kg) pair
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UNDERSTANDING THE INVISIBLE SERIES INSTALLATION
INVISIBLE SERIES SPEAKER INSTALLATION DETAIL VIEW
16” (40.6cm) standard framing
Stud
Enclosure required for all open attic installations
SONANCE INVISIBLE SERIES SPEAKER
Joint Compound
Drywall
Drywall Screw (wall board)
Fiberglass Mesh Tape
Height Shim
Speaker Frame
Drywall Screw (speaker)
Note: IMPORTANT CONSIDERATION FOR LOCATING THE IS2, IS4, IS4SST AND ISW ON WALLS
For wall installations, locate the bottom of the Invisible Series Speaker at least 7 ft. (2.1m) up from
the floor. Placing the speaker lower on the wall will put it at risk for having picture nails or other
hanging devices driven through the diaphragm and damaging the speaker. Since the final surface finish
enables the speaker to completely disappear, it is critical to locate the speaker high enough on the
wall to protect it for the future. Resulting damage of this type is not covered by the warranty.
1/8” (3mm) maximum topping compound
buildup over active speaker area
FOR TECHNICAL SUPPORT
CALL (949) 492-7777
OR VISIT WWW.SONANCE.COM/PRODUCTS/INVISIBLE
WIRE GAUGE GUIDE
Extra resistance in the speaker wire can make speakers
sound less dynamic and reduce definition of the bass
frequencies. In extreme cases, it can even attenuate
high frequencies. Also, amplifier power is wasted in wire
with extra resistance, reducing your system’s maximum
output level. To prevent degrading sound quality, the
total wire resistance should be less than 10% of the
speaker’s impedance. This means that for an 8-ohm
speaker, the total resistance of the wire should be
less than 0.8 ohms. Refer to the following table when
selecting the proper wire gauge for your system:
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WIRE RESISTANCE IN OHMS vs. LENGTH OF CABLE RUN
DISTANCE IN FEET
20 Gauge
18 Gauge
16 Gauge
14 Gauge
12 Gauge
10 Gauge
50’
1.04
.65
.41
.26
.16
.10
100’
2.07
1.30
.82
.52
.32
.20
150 ’
3.11
1.96
1.22
.77
.49
.31
200’
4.14
2.61
1.63
1.03
.65
.41
250’
5.18
3.26
2.04
1.29
.81
.51
300’
6.22
3.91
2.45
1.55
.97
.61

NEW CONSTRUCTION
1. Wire stud bay prior to mounting drywall. See page 4 for
wire gauge chart.
3. With the aid of a level, screw the space saver to the studs.
Ensure the speaker cable will have easy access once the space
saver is removed.
Space Saver Part Numbers:
IS4 & ISW = 92723
IS2 = 92722
4. Secure edges of the space saver.2. Place space saver in desired final location of speaker.
5

NEW CONSTRUCTION
5. After all drywall is hung, begin speaker installation by
removing space saver.
6. Be careful not to damage the exposed drywall during
space saver removal.
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