Bosch E70-W, E70-R, E70-N Specsheet
Fire Alarm Systems | E70 Low‑profile Speakers
E70 Low‑profile Speakers
www.boschsecurity.com
u 24 VDC, filtered or unfiltered
u 25 VRMS or 70 VRMS operation at a choice of five
taps from 0.125 W to 2 W
u Cost‑effective two‑wire design
The E70 Speakers provide high audio output with clear
audibility, and are designed to meet the critical needs
of the life safety industry for effective emergency voice
communications and tone signaling. The highefficiency speakers are designed for maximum output
at a minimum wattage across a frequency range of
400 Hz to 4 kHz.
A speaker mounting plate with a built‑in level
adjustment allows for a faster and easier installation.
The two‑screw grill cover creates an attractive
appearance.
Certifications and approvals
Cooper Wheelock, Inc. holds these Listings and
Approvals:
Region
Certification
USA UL UEAY: Speakers (UL464), UUKC: Signal-
ing Appliances and Equipment for the
Hearing Impaired (UL1971), UUMW:
Speakers and Amplifiers for Fire Protective Signaling Systems (UL1480,
UL1711, and UL2043)
CSFM see our website
u Easy wiring with screw terminals
u Supervised inputs
Installation/configuration notes
Compatible Products
The following products are compatible with the E70
Speakers:
Category Product ID Product Description
Control
D7022
1
Conventional FACP
Panels
D7024
2
Addressable FACP
D7024 Conventional FACP
D8024 Analog FACP
D9124 Addressable FACP
D10024A Analog FACP
FPD-7024
2
Addressable FACP
FPD-7024 Conventional FACP
These speakers are compatible with Wheelock SAFEPATH4 Facility
Communication Systems and Bosch Voice Evacuation Systems.
1
When used, the D7022 must be set for 24 VDC
operation.
2 | E70 Low‑profile Speakers
2
When used with a D7039 Multiplex Expansion
Module, the D7024 and FPD-7024 become
addressable fire alarm control panels (FACPs).
Mounting
The low profile design of these notification appliances
creates more wiring space in standard electrical back
boxes. The speaker mounting plate incorporates a
built-in level adjustment feature allowing for a faster
and easier installation. These speakers mount on the
indicated back boxes for the indicated applications:
Conduit
Applications
Four‑inch square* •
SBB Back Box • •
Surface
Mounted
Flush Mounted
*Requires an SER extension ring.
Use as Combination Appliance
Where combination appliances are required, the E70
Speakers can be used with the RSSP‑241575W‑FR
(15/75 cd), RSSP‑24MCW‑FR (15 cd, 30 cd, 75 cd, or
110 cd), or RSSP‑24MCWH‑FR (135 cd or 185 cd)
Retrofit Strobe Plates that are designed to meet or
exceed the latest requirements of NFPA 72,
ANSI 117.0 and UL 1971. The speakers and retrofit
strobe plates are also compatible with the SBL2‑R
Retrofit Device Back Box.
Wiring
The input terminals accept wires with diameters
between 18 AWG and 12 AWG (ISO 0.75 mm2 and
4 mm2).
Parts included
Quant. Component
1 Speaker
1 Mounting Plate
1 Hardware pack
1 Literature pack
Technical specifications
Electrical
Power Requirements
Voltage (input): 24 VDC nominal;
16 VDC or FWR to 33 VDC or FWR
Environmental
Relative Humidity: Up to 85%, non‑condensing
Temperature (Operating): +32°F to +120°F (0° to +49°C)
Mechanical
Dimensions (H x W x D): 5.1 in. x 5.1 in. x 2.9 in.
(13.0 cm x 13.0 cm x 7.4 cm)
Material: Molded plastic
Speaker Volume at 10 ft (3 m)
0.125 (1/8) W: 77.5 dBA
0.25 (1/4) W: 80.4 dBA
0.5 (1/2) W: 83.2 dBA
1 W: 85.7 dBA
2 W: 87.8 dBA
Ordering information
E70‑N 24 VDC Low‑Profile Speaker (nickel)
Nickel finish, 24 VDC device with high‑efficiency sound
output, dual voltage capability (25 VRMS or 70 VRMS),
and field‑selectable taps from 1/8 W to 2 W
Order number E70-N
E70‑R 24 VDC Low‑Profile Speaker (red)
Red, 24 VDC device with high‑efficiency sound output,
dual voltage capability (25 VRMS or 70 VRMS), and
field‑selectable taps from 1/8 W to 2 W
Order number E70-R
E70‑W 24 VDC Low‑Profile Speaker (white)
White, 24 VDC device with high‑efficiency sound
output, dual voltage capability (25 VRMS or 70 VRMS),
and field‑selectable taps from 1/8 W to 2 W
Order number E70-W
Accessories
ISP2‑R Surface Adapter (red)
13.3 cm (5.25 in.) square, 3 cm (1.1875 in.) deep
Order number ISP2-R
ISP2‑W Surface Adapter (white)
13.3 cm (5.25 in.) square, 3 cm (1.1875 in.) deep
Order number ISP2-W
RP‑R Retrofit Plate (red)
20.3 cm (8 in.) high, 14.9 cm (5.875 in.) wide.
Not Available.
Order number RP-R
SBB‑R Surface‑mount Back Box (red)
14 cm (5.5 in.) x 14.2 cm (5.6 in.) x 9.1 cm (3.6 in.)
Order number SBB-R
SBB‑W Surface‑mount Back Box (white)
14 cm (5.5 in.) x 14.2 cm (5.6 in.) x 9.1 cm (3.6 in.)
Order number SBB-W
SER‑R Square Semi‑flush Extension Ring (red)
12.7 cm (5 in.) square by 4 cm (1.5625 in.) deep
Order number SER-R
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