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Turbosound IQ18B 18" Front-Loaded Powered Subwoofer

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User Manual for Turbosound IQ18B 18" Front-Loaded Powered Subwoofer

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Turbosound IQ18B 18" Front-Loaded Powered Subwoofer Contents of the user manual for the Turbosound IQ18B 18" Front-Loaded Powered Subwoofer
  • Product category: PA Speakers Turbosound
  • Brand: Turbosound
  • Description and content of package
  • Technical information and basic settings
  • Frequently asked questions – FAQ
  • Troubleshooting (does not switch on, does not respond, error message, what do I do if...)
  • Authorized service for Turbosound PA Speakers

Turbosound IQ18B 18" Front-Loaded Powered Subwoofer Turbosound IQ18B 18" Front-Loaded Powered Subwoofer Turbosound IQ18B 18" Front-Loaded Powered Subwoofer Turbosound IQ18B 18" Front-Loaded Powered Subwoofer Turbosound IQ18B 18" Front-Loaded Powered Subwoofer
User manual for the Turbosound IQ18B 18" Front-Loaded Powered Subwoofer contain basic instructions that need to be followed during installation and operation. Before starting your appliance, the user manual should be read through carefully. Follow all the safety instructions and warnings, and be guided by the given recommendations. User manual is an integral part of any Turbosound product, and if it is sold or transferred, they should be handed over jointly with the product. Following the instructions for use is an essential prerequisite for protecting health and property during use, as well as recognition of liability on the part of the manufacturer for possible defects should you make a warranty claim. Download an official Turbosound user manual in which you will find instructions on how to install, use, maintain and service your product.

And do not forget – unsuitable use of a Turbosound product will considerably shorten its lifespan!

Product description

The black IQ18B 18" Front-Loaded Powered Subwoofer from Turbosound is a 3000W high-performance 15" front-loaded subwoofer system designed for a wide range of speech and music sound-reinforcement applications. The high-excursion 18" low-frequency driver with double-suspension low-mass 4" voice coil provides fast and accurate transient response for virtually distortion-free operation.The birch-plywood enclosure is finished in a hard-wearing semi-matte black paint and fitted with a rugged powder-coated perforated steel-mesh grille, 35mm pole mount to support a satellite speaker, and plated steel castors with rubber tires. Mains-power input and link output is provided via Neutrik powerCON connectors.
  • Front-loaded powered subwoofer for portable PA and installation applications
  • 3000W power featuring KLARK TEKNIK Class-D technology
  • KLARK TEKNIK Digital Signal Processing for total system control
  • Speaker modeling includes accurate models of industry-standard speakers
  • ULTRANET digital-audio networking connects to mixers and other sources
  • High-excursion 18" low-frequency driver with 4" voice coil and double suspension
  • Fully featured user interface with LCD display for ease of navigation
  • Birch-plywood enclosure with hard-wearing semi-matte black paint finish
  • Rugged powder-coated perforated steel-mesh grille
  • Plated steel castors with rubber tires
  • Mains input and link output on Neutrik powerCON connectors
UPC: 748252144140 In the Box Turbosound IQ18B 18" Front-Loaded Powered Subwoofer (Black)
  • Limited 10-Year Warranty
  • Table of Contents

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    Technical parameters

    Turbosound IQ18B Specs

    Frequency Response 50 to 130 Hz ±3 dB
    40 to 130 Hz -10 dB
    Nominal Dispersion Half Space
    Maximum SPL 130 dB peak
    Crossover Type Active
    Driver 1 x 18.0" (45.7 cm) LF driver
    Limiter Peak and RMS
    Maximum Output Power 3000 W
    Type Class-D
    Protection Short circuit, open circuit, thermal
    Input A / B: 2 x combo XLR-1/4"
    Sensitivity Line +4 dBu
    Input Impedance Unbalanced: 20 kOhms
    Balanced: 40 kOhms
    Maximum Input Level +21 dBu
    Output A / B: 2 x XLR linked to input
    Ultranet Input/Link 2 x RJ45
    Mains Supply Neutrik powerCON input 20 A and link 15 A
    DSP Rotary push-encoder
    Mixer Section 1 x gain controls (channels A and B)
    2 x line
    EQ Presets Positioning, sound mode
    Display LCD 128 x 32, blue backlit
    Delay 0 to 300 ms
    Equalizer High- and low-shelving EQ
    2 x parametric EQ
    Limiter Zero-attack input limiter
    Presets 20 total presets, 19 user-definable
    Crossover Low Pass L-R 24 dB / octave
    Protection Lock-out function for all settings
    System Signal: 16 channels
    Latency: <0.9 ms
    Cabling Shielded CAT5
    Maximum Cable Length: 246.0' (75.0 meters) recommended
    Power Consumption 200 W @ 1/8 maximum power
    Voltage 120 V, 60 Hz (T: 15 A, H: 250 V)
    Construction Birch plywood (screwed and glued)
    Grille Powder-coated perforated steel
    Dimensions (W x H x D) 27.2 x 21.0 x 22.0" (69.0 x 53.3 x 55.9 cm)
    Weight 87.5 lb (39.8 kg)
    Package Weight 106.0 lb
    Box Dimensions (LxWxH) 34.0 x 28.0 x 27.0"


    94% users recommend this product to others. And what about you?
    Rating: 4.7 of 5

    This product has already been rated by 74 owners. Add your rating and experience with the product.


    Discussion Ask our technicians if you have a problem with your settings, or if anything is unclear in the user manual you have downloaded. You can make use of our moderated discussion. The discussion is public and helps other users of our website who may be encountering similar problems.

    Post new comment to Turbosound IQ18B 18" Front-Loaded Powered Subwoofer

    Subject: How do I balance my subs with a set of powered 15 skr. cabinets, also how do I use the iQ 18B equilizer?
    Date: 27.05.2022 15:42:31Name: Ricksu
    I have purchased the iQ 18B Turbo sound spkrs with the klarke technic specs.
    My question is how do I get a smooth sound that will co-inside with and a great
    balance sound when performing live with a band?
    Thank you for any information that will calm my being as I try to show that these spkrs are more than just sub spkrs. As we all know sound can do two thngs
    make or break you in a live performance. I love my Turbo 18's and I'm using as my
    top spkrs a set of Alto's 15
    Post reply

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