The IW31-EZ is a premium full-range 3-inch in-wall speaker for applications requiring 8 ohm or distributed audio solutions. The IW31-EZ incorporates a low profile grille with a total visible footprint of a 5 inch square and an integrated backcan and driver design for an ultra compact installations in wall plates. The speaker includes a rapid installation, blind-mount fixed-wing mounting mechanism with constant tension design affixing to wall thicknesses ranging from 0.1 inch (2.5 mm) to 1.5 inch (38.1 mm). The in-wall speaker includes a six-position tap switch with a transformer bypass position. Mounting hardware is included and features a fast and secure constant tension Speed Wing™ mounting system. All components in the IW31-EZ are
completely weatherized for indoor and outdoor applications. Conduit connector, paint mask and wire nuts are included. IP-Rating: IP54.
Manufacturer |
SoundTube |
Manufacturer's Category |
IW In-Wall Series |
Height |
5 in / 127 mm |
Width/Diameter |
5 in / 127 mm |
Shipping Weight |
41 lbs / 18.6 kg |
Carton Height |
17.5 in / 444.5 mm |
Carton Length |
16.5 in / 419.1 mm |
Carton Width |
15.5 in / 393.7 mm |
Certifications |
CE, RoHS, UL1480A, UL2043 |
Enclosure Properties |
ABS Glass Fiber Reinforced, Injection Molded, Sealed |
Enclosure Volume |
60 cu in / 983.22 cu cm |
Included Accessories |
Conduit Clamp, Grille, Hole Template, Paint Mask, Wire Nuts |
Optional Accessories |
Pre-Construction Bracket (AC-CM31-PCB)|Theft-Resistant Grille (AC-IW31-TRG)|White Grille (GRL-IW31-WH)|Junction Box (AC-CM-EZ-JBOX) |
Source Inputs |
Wire Leads |
IP Rating |
IP54 |
Backcan Height |
3.5 in / 88.9 mm |
Coverage Angle (±6dB @ 2kHz) |
45° |
Cutout Width/Diameter |
4.25 in / 108 mm |
Directivity Factor (Q) (Averaged 100Hz - 10kHz, @ 2kHz) |
4.5 and 2.8 |
Directivity Index (DI) dB (Averaged 100Hz - 10kHz, @ 2kHz) |
5.5dB and 4.4dB |
Frequency Response (± 10 dB) |
115 Hz - 22 kHz |
Frequency Response (± 3 dB) |
190 Hz - 14 kHz |
Grille Properties |
Aluminum, Powder-Coated |
Low Frequency Voice Coil |
0.75 in / 19 mm |
Max. Ceiling Thickness |
1.5 in / 38.1 mm |
Max. Continuous Power RMS |
20W |
Max. Program Power |
40 W |
Minimum Impedance (Ω Ohms) |
8 Ω |
Minimum Ceiling Thickness |
0.1 in / 2.5 mm |
Mounting Depth |
3.5 in / 88.9 mm |
Nominal Impedance (Ω Ohms) |
8 Ω |
Fullrange Driver |
3" Polypropylene driver with butyl rubber surround |
Sensitivity dB @ 1W/1M |
85.5 dB |
Sensitivity dB @ 2.83V/1M |
85.5 dB |
Tap Selector |
Rotary Switch |
Transformer Options |
25 / 70.7 / 100 V, 8 Ohm direct |
Transformer Taps Max. Setting (25V/70.7V/100V) |
1.3W/10W/30W |