Turbosound IQ15B 15" Front-Loaded Powered Subwoofer

Turbosound IQ15B 15" Front-Loaded Powered Subwoofer

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R 16,995.00
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The Turbosound IQ15B 15" Front-Loaded Powered Subwoofer 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 15" 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 15" 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
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 15.0" (38.5 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 Supply
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) 23.7 x 17.5 x 19.5" (60.2 x 44.4 x 49.5 cm)
Weight 67.0 lb (30.4 kg)
Packaging Info
Package Weight 82.5 lb
Box Dimensions (LxWxH) 30.0 x 25.0 x 23.0"

Shipment processing time

  • All orders are processed within 2-3 business days.
  • Real-time order tracking information will be sent via SMS and EMAIL once your order has been successfully processed and captured.
  • Standard/Free shipping does not include delivery on weekends or holidays.
  • Deliveries on weekend and holidays can be arranged at an extra charge to customer.

If we are experiencing a high volume of orders, shipments may be delayed by a few days. Please allow additional days in transit for delivery. If there will be a significant delay in shipment of your order, we will contact you via email or telephone. We appreciate your patience!

Shipping rates & delivery estimates

Orders below R850 does not qualify for free shipping.

Please factor in a nominal nationwide economy road 2-3 Day ETA charge of R150.

Shipment method

Estimated delivery time

Shipment cost

Economy Road

2-3 business days

Free / R850 and above

Everyday shipping as per Economy Road freight, we work with a few different courier companies and special services are available. Please request any service which’ll be the most convenient for you and Technical Sales will gladly investigate it and revert for your consideration.

* Overnight delivery is only available for orders with delivery addresses within South Africa and confirmed before 10AM the given morning.

Delivery delays can occasionally occur, your Technical Sales Rep will keep you up to date.