Professional loudspeakers & mics

QRx 218S

Compact dual 18" subwoofer

  • High-level extended LF with concert proven performance
  • Accurate transient detail
  • Available in Standard and Riggable (L-Track) versions
  • EVX-180B woofers for superior linear excursion
  • High sensitivity, 139 db maximum SPL (peak)
  • Power handling: 1200 W continuous, 4800 W peak
  • Rectangular 13-ply birch vented enclosure
  • Built-in handles and sealed pocket wheels (Standard )
  • Integrated pole-mount receptacle (Standard )
  • Black EVCoat finish (white by special order)

Specifications

Frequency Range (-10 dB)31 - 250
WeatherizedNo
FlyingOptional
Nominal Impedance (Passive)4
Speaker TypeSubwoofer
Woofer Size18

Powered or PassivePassive
Frequency Response (-3 dB)¹38 - 125
Max. SPL/1m (calc)²139
LF TransducerTwo 18-inch EVX180B
Power Rating4800
System Power Handling (Continuous/Program/Peak)1200//4800
Crossover Frequency100
Enclosure Material13-Ply Birch Plywood
Available ColorBlack, White, Unfinished
Sensitivity 1 W/1 m102
Height1015
Width560
Recommended High-Pass Frequency35
Internal CrossoverNo
Depth602
Weight Net68
FamilyQRx
Input Connections2 Neutrik® NL4
Coverage (Nominal -6 dB)Essentially Omni
Axial Sensitivity (SPL, 1 W @ 1 m)102
Chassis Size457.2

Downloads

Technical Documentations
Name Language & Download
Fixed Install/Qrx Series, EC Declaration of Conformity
Name Language & Download
QRx-218S Engineering Data Sheet
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
Name Language & Download
Audio 101 - Basic Audio Terminology
Audio 101 - Loudspeaker Basics
EASE Data Explanation
PA Bible 02: Power Handling Capacity
PA Bible 11: Portable Sound Systems for the Small Club
The EV PA Bible
The PA Bible Chapter Zero
Software, Firmware & Design Tools
Name Language & Download
QRx EASE3
Name Language & Download
RACE V3.10
QRx AcoustaQwik
QRx Arrayshow
QRx Presets for RACE
Marketing Materials
Name Language & Download
QRx Twist & Shout Flyer
Name Language & Download
Retail catalog EMEA