Item number: 10027026

Auna Coloss 21 Car Subwoofer 21" Sub 7000W max.

Powerful built-in subwoofer with a 53cm (21") diameter, 3500 watts RMS power and 7000 watts maximum power handling.

Unpressed paper membrane  with rubber surround.

Black aluminum die cast basket, chrome polar speaker connections.

The Auna Coloss 21 subwoofer is just waiting to knock a signal around with its brutal audio power!

53cm diameter, 43,6kg and 7000 watts power handling.

The membrane is made of unpressed paper and boasts high internal damping, stiffness and light weight. The mechanical parts include a custom-wound 10.16cm (4") voice coil, a massive triple magnet and a black die-cast aluminum basket. The Auna Coloss 18 produces an unexpected level of pressure which you can not only hear but also feel. Thanks to its extreme size and performance, it is obvious that this car subwoofer will generate a powerful sound, leaving bass fanatics and audiophiles with a satisfied smile on their faces.

When it comes to aesthetics, the internal componants remain distortion free. Its black design,  easily integrates into different speaker setups and car interiors. Chrome-plated speaker connectors ensure for solid signal transmissions.

The Auna 21 Coloss turns car audio into a real experience!

Important Delivery Information!

Due to the large size of this item we send it with our specialist courier spedition. As spedition deal with large shipments only they take slightly longer to reach you, usually between 7 and 10 working days from dispatch.

Product details


  • powerful 53cm (21") - Car subwoofer with 7000 watts max power handling.
  • Unpressed paper cone and rubber surround for permanent bass deflections
  • Custom-wound 10.16 cm (4") voice coil and 10.40 kg (370 oz) triple-magnet
  • High efficiency, accurate dynamics and powerful pressure
  • Black die-cast aluminum basket


  • 1 x Device
  • English manual (other languages: German)


  • Diameter: 53 cm (21")
  • Mounting Diameter: 50 cm
  • Mounting depth: 25,8 cm
  • Subwoofer Weight: 26 kg
  • Total weight: approx 43,6 kg


  • Connections: 2 x speaker terminals
  • Resonant Frequency: 30 Hz
  • Frequency range 20 Hz - 500 Hz
  • RMS power handling 3500 watts
  • Sensitivity: 88 dB ± 3 dB
  • Impedance: 4 ohm (Dual)
  • XMAX: 30 mm
  • Chrome-plated speaker contacts

Operating instructions

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Auna Coloss 21 Car Subwoofer 21" Sub 7000W max.

  • 53cm (21") diameter with 7000 Watts Max. Power
  • Unpressed paper cone and rubber surrounding
  • 10.16 cm (4") voice coil and 10.40 kg (370 oz) triple-magnet
£389.99 Incl. VAT
You can change your order at any time