EVF-1181S

18" front‑loaded subwoofer

Summary & Images Specs Where to buy Downloads & Support

Ideal for installations
Low-distortion EVS18SB woofer
99 dB sensitivity, 131 dB max SPL
Power: 400 W cont., 1600 W peak
Trapezoidal 13-ply plywood enclosure
EVCoat, PI, or fiberglass (FG) finish
M10 suspension points (28)

Specifications

Frequency Range (-10 dB)	28–650 HzkHz
Suspension	28 M10 threaded suspension points (one EBK-M10-EVI kit of four forged eyebolts included)
Weatherized	No
Specifications

Minimum Impedance	Passive: N/A, Biamp: 6 Ω
Nominal Impedance (Passive)	Passive: N/A, Biamp: 8 Ω
HF Transducer
Speaker Type	Subwoofer
Frequency Response (-3 dB)¹	35–100 HzHz
Max. SPL/1m (calc)²	131dB
Coverage (Nominal -6 dB) H	360°
LF Transducer	18" EVS18SB driver
System Power Handling (Continuous/Program/Peak)	400 , 800 , 1600 Watts
Enclosure Material	13-ply weather-resistant birch
Grille	Standard versions: 16 ga Galvanneal, Powdercoat with screen behind PI and FG versions: 18 ga Stainless, Powdercoat with hydrophobic cloth behind
Sensitivity 1 W/1 m	99dB
Height	30.26" (768.6mm)
Width	26.6" (675.6mm)
Recommended High-Pass Frequency	33Hz
Depth	28.6" (726.4mm)
Weight Net	101.19lbs (45.9kg)
Coverage (Nominal -6 dB)	Omnidirectional in normal operating range
Passive Power Handling	1600W peak
Net Weight	101.2 lb (45.9 kg)
Dimensions (H x W x D)	30.26" x 26.6" x 28.6" (768.6 x 675.6 x 726.4 )mm
Input Connections	Euroblock; PI and FG versions include dual gland nut input panel cover
Available Coverage Patterns (Nominal -6 dB) HxV	Omnidirectional in normal operating range°
Environmental Specs	Standard versions: IEC 60529 IP44 PI and FG versions: IEC 60529 IP55
Nominal Impedance	Passive: N/A, Bi-amp: 8Ω (Biamp)
Internal Passive Crossover Frequency	Hz

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Recommended Amplifiersffs

For optimal sound system performance, Electro-Voice recommends the following amplifiers for EVF-1181S.

	Dynacord C‑Series Two‑Channel Power Amplifiers for Fixed Install Learn More	Dynacord IPX Series IPX series multi-channel power amplifiers for fixed install applications Learn More	Electro-Voice CPS Series CPS contractor precision series amplifiers Learn More
Two-Channel	✔
Multi-Channel		✔	✔
DSP	✔	✔
Direct Drive	✔	✔	✔
OMNEO (Dante, OCA)		✔
Installation	✔	✔	✔
Live Sound

Where to Buy

Install Sound Partners

Electro-Voice together with our certified partners, are ready to help support you through planning, purchase, and setup. Services available through our network of highly-qualified associates and partners may include:

System Design
Installation
Programming & Commissioning

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Downloads

Technical Documentations

A/E Specification

Name	Language & Download
EVF 1181S_BLK A&E Specification	EN
EVF 1181S_FGB A&E Specification	EN
EVF 1181S_FGW A&E Specification	EN
EVF 1181S_PIB A&E Specification	EN
EVF 1181S_PIW A&E Specification	EN
EVF 1181S_WHT A&E Specification	EN

Certification/Regulatory

Name	Language & Download
EVF EU Declaration of Conformity (2023-Jun)	EN
EVF UKCA Declaration of Conformity (2023-Jun)	EN

Engineering Data Sheet

Name	Language & Download
EVF-1181S Engineering Data Sheet	EN

Manual

Name	Language & Download
EV-I Access Card User Instructions	EN
EVF & EVH User Manual	EN
EVF-UB Installation Instructions	EN
Rigging Kits for EVF & EVH	EN

Service Policies

Name	Language & Download
Warranty conditions for Electro-Voice products in North America	EN

White Paper

Name	Language & Download
Audio 101 - Basic Audio Terminology	EN
Audio 101 - Loudspeaker Basics	EN
EASE Data Explanation	EN
PA Bible 02: Power Handling Capacity	EN
The EV PA Bible	EN
The PA Bible Chapter Zero	EN