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Earthquake - Supernova MKIV-10 - Powered Subwoofer

Earthquake - Supernova MKIV-10 Subwoofer

Earthquake - Supernova MKIV-10 - Powered Subwoofer

The Supernova MKIV Series of powered subwoofers delivers an amazing combination of high performance and efficiency. Its brilliant design overcomes the limitations known from conventional closed and ported designs that prevent radical excursion, deep response and high dB.

The active driver used in the Supernova MKIV subwoofer is designed for accurate reproduction of bass and sub-bass frequencies. Its motor and voice coil structures were carefully selected to operate with extremely low distortion and impressive transient response, while its thermally pressed poly-ether foam surround was chosen to allow high excursion without any deformation.

Opposite to the active driver is the patented SLAPS that dramatical ly increases subwoofer efficiency and capability for ultra low frequency reproduction at high decibel levels. As the name indicates, SLAPS (Symmetrically Loaded Audio Passive System) is built symmetrically which distinguishes it from traditional passive radiators. It integrates identical components in its suspension and design, ensuring the unit to move
symmetrically in both directions. It also overcomes the limitations known from conventional closed and ported designs that prevent radical excursion and deep response. The unique SLAPS design allows the active driver compression-free movement resulting in deep, dynamic and hard-hitting bass response. Furthermore, the pneumatic coupling of the active driver and the SLAPS delivers revolutionary results both in performance and efficiency as the SLAPS lets one amplifier produce the output of two woofers, reducing your power consumption and electricity bill.

The amplifier powering the Supernova MKIV is a 450-Watts class “A/B” amplifier with a multitude of user friendly features such as the auto signal detection switch, 0 - 180º phase switch, 12dB/octave variable filter, low level inputs and outputs, as well as high level inputs and outputs.


  • 10" Dual firing powered subwoofer
  • 450 Watts RMS built-in Class “A/B” amplifier
  • Patented SLAPS (Symmetrically Loaded Audio Passive System)
  • 12 db/Oct variable filter from 40Hz to 180Hz
  • Auto signal detection for ON/OFF
  • Low level (RCA) & high level inputs
  • Low level outputs
  • Full range speaker outputs
  • High power long excursion subwoofer
  • 0 - 180° phase shift
  • Rounded edge cabinet
  • Flush grilles


Manufacturer: Earthquake
Model Number: Supernova MKIV-10
Speaker Type: Powered, Dual Front-firing


Power Handling: 450 Watts
Impedance: 10 kOhm (Input)
Frequency Response: 25 Hz - 180 Hz
Sensitivity: 0.1 - 1.5V (Input)
Crossover: 40 Hz - 180 Hz
Connection Type/Input: N/A
Bi-Wire/Bi-Amp: N/A


Woofer: 10"
Mid Range: N/A
Tweeter: N/A
Passive Radiator: N/A


Dimensions: 12.13" (H) x 12" (W) x 15.75" (D)
Shipping Dimensions: N/A
Weight: 24 lbs. (10.9kgs)
Shipping Weight: N/A
Finish: Black Ash
Grill: Included
Warranty: 1 Year standard, 4 Year optional (and accidental)
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