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 - 250kHz |
Weatherized | No |
Flying | Optional |
Specifications |
Nominal Impedance (Passive) | 4Ω |
Speaker Type | Subwoofer |
Woofer Size | 18inch |
Powered or Passive | Passive |
Frequency Response (-3 dB)¹ | 38 - 125Hz |
Max. SPL/1m (calc)² | 139dB |
LF Transducer | Two 18-inch EVX180B |
Power Rating | 4800W |
System Power Handling (Continuous/Program/Peak) | 1200//4800Watts |
Crossover Frequency | 100Hz (24 dB/octave) |
Enclosure Material | 13-Ply Birch Plywood |
Available Color | Black, White, Unfinished |
Sensitivity 1 W/1 m | 102dB |
Height | 1015mm (39.96") |
Recommended High-Pass Frequency | 35Hz (12 dB/octave) |
Width | 560mm (22.05") |
Depth | 602mm (23.7") |
Internal Crossover | No |
Weight Net | 68kg (149.91 lbs) |
Family | QRx |
Input Connections | 2 Neutrik® NL4 |
Chassis Size | 457.2 mm |
Coverage (Nominal -6 dB) | Essentially Omni |
Axial Sensitivity (SPL, 1 W @ 1 m) | 102dB |
Similar Products
Compatible Products
Recommended Amplifiers
For optimal sound system performance, Electro-Voice recommends the following amplifiers for QRx 218S.
![]() Dynacord C‑SeriesLearn More |
![]() Dynacord L‑SeriesLearn More |
![]() Dynacord IPX SeriesLearn More |
|
---|---|---|---|
Two-Channel | ✔ | ✔ | |
Multi-Channel | ✔ | ||
DSP | ✔ | ✔ | ✔ |
Direct Drive | ✔ | ✔ | ✔ |
OMNEO (Dante, OCA) | ✔ | ||
Installation | ✔ | ||
Live Sound | ✔ | ✔ |
Downloads
Name | Language | Size | Date |
---|---|---|---|
ProSound Loudspeakers and Electronics Catalog | EN | 15.43MB | 04.02.2019 |
QRx Twist & Shout Flyer | EN | 601KB | 12.26.2007 |
Name | Size | Date |
---|---|---|
Environmental Compliance Document | 148KB | 10.03.2017 |
Qrx Series, EC Declaration of Conformity | 67KB | 11.13.2019 |
Name | Size | Date | |
---|---|---|---|
QRx EASE3 | ZIP | 713KB | 01.24.2018 |
Name | Language | Size | Date |
---|---|---|---|
QRx-218S Engineering Data Sheet | EN | 399KB | 09.24.2013 |
Name | Size | Date | |
---|---|---|---|
RACE V3.10 | EXE | 10.29MB | 12.26.2007 |
QRx AcoustaQwik | EXE | 301KB | 12.26.2007 |
QRx Arrayshow | EXE | 1.07MB | 12.26.2007 |
QRx Presets for RACE | ZIP | 167KB | 12.26.2007 |

QRx218S 7oc-trans
Name | Language | Size | Date |
---|---|---|---|
Allgemeine Lieferbedingungen | DE | 184KB | 11.30.2016 |
General Terms & Conditions of Deliver for Export Business | EN | 57KB | 11.26.2014 |
Name | Language | Size | Date |
---|---|---|---|
Audio 101 - Basic Audio Terminology | EN | 2.74MB | 12.13.2012 |
Audio 101 - Loudspeaker Basics | EN | 3.02MB | 12.13.2012 |
EASE Data Explanation | EN | 934KB | 11.17.2015 |
PA Bible 02: Power Handling Capacity | EN | 422KB | 12.26.2007 |
PA Bible 11: Portable Sound Systems for the Small Club | EN | 470KB | 12.26.2007 |
The EV PA Bible | EN | 1.14MB | 12.26.2007 |
The PA Bible Chapter Zero | EN | 1.14MB | 06.11.2018 |