H-Series Subwoofers

H118s

18" horn loaded subwoofer

The H118s is a very high-efficiency horn loaded sub bass loudspeaker with a 18″ long-excursion driver as its engine.

The H118s is a very high-efficiency horn loaded sub bass loudspeaker with an 18″ long-excursion driver as its engine. Keeping in mind maximum energy transfer, the HS118 is best when used in stacks of 4 (or at least 2). In the former case, the geometry and radiation area achieves near 0.71 circa which results in a phenomenal amount of energy at the front relative to the rear (a case very useful when we want sound where it is needed).

The H118s has been a sure winner when used for EDM events in bars, nightclubs and dance festivals. Preferred to be driven actively, the H118s sub can effortlessly achieve very high sound pressure levels with nominal amplification. The H118s is recommended for use with the H112 horn mid-top in the ratio 2 subs to every top.

  • Audio Lotus Signature tone.
  • Exceptionally modeled for EDM and House music.
  • Install/Touring grade.
  • 18″ hi-resolution* driver.
  • 800WAES / 1100WPK
  • Textured duracrylic finish/custom colors available.
  • C G optimized geometrical construction.
  • C G optimized handles.
Driver config 1x 18″ LF driver
Power handling 800WAES
Enclosure type Horn loaded
Dispersion Highly directive forward when used in stacks of four
Impedance 8 ohms
Frequency Response 40Hz – 350Hz, -3dB CD
Frequency Response 37Hz – 400Hz, -6dB CD
SPL 1W/1m 103dB for 2x boxes 105dB for 4x boxes
Passive Crossover Yes, passive
Biampable ? Yes, Default
Crossover frequency 45Hz ~ 125Hz
recommended operative band
Protection External
Max SPL (1m)
1/4 space radiation
133dB cont., 136dB pk 2x enclosures.
138dB cont., 141dB pk 4x enclosures.
Connections 2x NeutrikTM SpkonTM NL4 with link thru
Height 602mm (23.7″)
Width 606mm (24″)
Depth 712mm (28″)
Weight 65.3kg (144lbs)
Enclosure material 18mm marine grade ply
Enslosure shape Trapezoidal / non-symmetric
Finish Gun painted sputtered acrylic
Colours yes, RAL spectrum
Grille OptionalPerforated galvanized steel, powder coated
Wall / Ceiling mount N/A
  • FOH for Bar/Club/Lounges
  • FOH for Discotheques
  • FOH for Live sound performance
  • Built for rigors of Rental and Touring

* – These enclosures will need subs to support their low end

Specifications and appearance are subject to change without notice.

‘+ – not part of standard features, i.e., optional

FOH # Front of House (aka Main System or Main PA)

C G Centre of Gravity

ER Extended Range (in this case extended LF range)

HR High Resolution

LF Low-Frequency unit/driver

LMF Low mid frequency unit/driver

HMF High mid frequency unit/driver

HF High-frequency unit/driver

RAL German Institute for color matching/standardization system

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