HST-11 mkII 11″ Subwoofer


Flat $5 shipping in the lower 48 contiguous United States.

Please specify Dual 1 Ohm or Dual 2 Ohm coil configuration in the notes section when you order.

To use a credit/debit card to place your order please call us during normal business hours at 731-439-9629.

These subwoofers are hand-built in North Carolina.

Build time can be up to fourteen business days once your order is placed.



The HST-11 mkII subwoofer is specifically designed for being able to play from 90 Hz down to 5 Hz in an extremely small sealed enclosure size of 0.5 ft^3 with ease and extreme authority. With 38mm of one way linear excursion and 50mm of peak one-way travel this subwoofer has the stroke to keep up with deep bass demands. The HST-11 mkII uses the same motor as our massive HS-24 mkII uses with the same two aluminum shorting rings with an additional item to eliminate eddy currents to control and linearize inductance for improved transient performance. The voice coil of the HST-11 mkII uses four layers of flat aluminum wire wound on a black anodized aluminum former. Assisting voice coil cooling are six aluminum pillars which separate the basket from the frame and allow air to move around the OD of the coil.

  • Cutout: 254.5mm
  • Outer Diameter: 296mm
  • Mounting depth: 255mm
  • Mounting flange to top of surround: 42mm
  • Driver displacement: 0.40 ft^3
  • Sealed enclsoure size: 0.50 ft^3
HST11 Dual 1 ohm voice coils
Re 1.8 ohms
Fs 17 Hz
Qes 0.39
Qms 9.17
Qts 0.37
Le 2.5 mH
Sd 366 cm^2
Vas 25.6 L
BL 18.2
Mms 626 g
Xmax (1-way) 38 mm
Xmech (1-way) 50 mm
RMS Power 2000 watts