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EVF-1181S

18" front‑loaded subwoofer

  • 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 Hz
Suspension28 M10 threaded suspension points (one EBK-M10-EVI kit of four forged eyebolts included)
WeatherizedNo
Minimum ImpedancePassive: N/A, Biamp: 6
Nominal Impedance (Passive)Passive: N/A, Biamp: 8
HF Transducer

Speaker TypeSubwoofer
Frequency Response (-3 dB)¹35–100 Hz
Max. SPL/1m (calc)²131
Coverage (Nominal -6 dB) H360
LF Transducer18" EVS18SB driver
System Power Handling (Continuous/Program/Peak)400 , 800 , 1600
Enclosure Material13-ply weather-resistant birch
GrilleStandard versions: 16 ga Galvanneal, Powdercoat with screen behind PI and FG versions: 18 ga Stainless, Powdercoat with hydrophobic cloth behind
Sensitivity 1 W/1 m99
Height768.6
Width675.6
Recommended High-Pass Frequency33
Depth726.4
Weight Net45.9
Input ConnectionsEuroblock; PI and FG versions include dual gland nut input panel cover
Available Coverage Patterns (Nominal -6 dB) HxVOmnidirectional in normal operating range
Environmental SpecsStandard versions: IEC 60529 IP44 PI and FG versions: IEC 60529 IP55
Nominal ImpedancePassive: N/A, Bi-amp: 8
Internal Passive Crossover Frequency
Coverage (Nominal -6 dB)Omnidirectional in normal operating range
Passive Power Handling1600
Net Weight101.2 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 )

Videos

Downloads

Technical Documentations
Name Language & Download
EVF 1181S_BLK A&E Specification
EVF 1181S_FGB A&E Specification
EVF 1181S_FGW A&E Specification
EVF 1181S_PIB A&E Specification
EVF 1181S_PIW A&E Specification
EVF 1181S_WHT A&E Specification
Name Language & Download
EVF EU Declaration of Conformity (2025-Oct)
EVF UKCA Declaration of Conformity (2023-Jun)
Name Language & Download
EVF-1181S Engineering Data Sheet
Name Language & Download
EV-I Access Card User Instructions
EVF & EVH User Manual
EVF-UB Installation Instructions
Rigging Kits for EVF & EVH
Name Language & Download
Warranty conditions for Electro-Voice products in North America
Service Policies for Asia/Pacific Rim
Service Policies for China
Warranty conditions for Electro-Voice products in Europe, the Middle East, & Africa
Warranty conditions for Electro-Voice products in Europe, the Middle East, & Africa
Name Language & Download
Audio 101 - Basic Audio Terminology
Audio 101 - Loudspeaker Basics
EASE Data Explanation
PA Bible 02: Power Handling Capacity
The EV PA Bible
The PA Bible Chapter Zero
Software, Firmware & Design Tools
Name Language & Download
EVF-1181S.rfa
Name Language & Download
EVF 1181S CAD Drawing
Name Language & Download
EVF Presets for DX38
Marketing Materials
Name Language & Download
Audio Solution References for Sports Venues
Name Language & Download
Retail catalog EMEA
Retail catalog EMEA