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Shallow sealed subwoofer enclosure for single 12 inch driver, carpet finish

King Boxes

King Boxes 12 inch Single Shallow Enclosure 18 13

SKU CH-WB50-G2QJV

A sealed 12-inch subwoofer enclosure with an 18-inch width and 13-inch height fits shallow spaces

  • TypeEnclosures
  • Shallow 5 1/2 inch depth fits tight vehicle spaces
  • Sealed enclosure design delivers accurate bass response
  • Single 12 inch driver mounting simplifies installation
  • Compact 18 by 13 inch footprint suits small cabins
  • New condition ensures pristine performance out of the box

Slim Shallow Enclosure

The King Boxes 12 inch Single Shallow Enclosure is a sealed speaker box designed for a single 12 inch subwoofer. Its slim profile suits vehicle owners who want deeper bass without sacrificing cargo space or interior room.

Build Integration

The enclosure measures 18 inches wide, 5 1/2 inches deep and 13 inches high, allowing it to slide behind seats or into tight trunk corners. A sealed design removes the need for port tuning, simplifying installation and reducing the air volume required around the driver.

Thermal and Power Behaviour

The sealed cabinet controls cone excursion through internal air pressure, helping the subwoofer handle continuous power cleanly. With no port noise, output remains composed at higher volumes while the compact sealed volume keeps amplifier demand predictable.

Highlights

  • Shallow 5 1/2 inch depth fits tight vehicle spaces
  • Sealed enclosure design delivers accurate bass response
  • Single 12 inch driver mounting simplifies installation
  • Compact 18 by 13 inch footprint suits small cabins
  • New condition ensures pristine performance out of the box

Specifications

TypeEnclosures

Questions about this item

How much depth does the 12 inch sealed box need behind the seat?

The enclosure measures 5 1/2 inches deep so it fits in tight spaces behind or under rear seats.

Will the sealed design run hot or draw extra power during long drives?

A passive sealed box has no amplifier or fan so it adds no heat and draws no electrical power.

What must I already have to install this 12 inch enclosure?

You need a 12 inch subwoofer driver, speaker wire and an amplifier that matches the driver’s impedance and power rating.

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