HELIX IK S8 - 8" Subwoofer - 2 x 2 Ohm
SKU: 19330985906

HELIX IK S8 - 8" Subwoofer - 2 x 2 Ohm

Sale price$116.99 Regular price$129.99
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Ships within 48 hours · Estimated delivery Jul 7 - Jul 12

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Description

HELIX IK S8 - 8" Subwoofer - 2 x 2 OhmHELIX IK S8 Flat dimensions deep bass With the shallow HELIX IK S subwoofers, the realization of particularly flat and compact enclosure designs shouldnt be a problem anymore. Its extremely low installation depth opens up new installation possibilities that do not require making any acoustic compromises at all. Additionally, thanks to the use of large voice coils and its low resonant frequency, the HELIX IK S series delivers an absolutely stunning

HELIX IK S8

Flat dimensions – deep bass

With the shallow HELIX IK S subwoofers, the realization of particularly flat and compact enclosure designs shouldn’t be a problem anymore. Its extremely low installation depth opens up new installation possibilities that do not require making any acoustic compromises at all. Additionally, thanks to the use of large voice coils and its low resonant frequency, the HELIX IK S series delivers an absolutely stunning bass performance, which is in no way inferior to larger dimensioned woofers.

Smart down to the very last detail

The enormously stiff sandwich paper cone in conjunction with our heavy-duty drive system easily converts amplifier power into powerful sound pressure without any compression effects, while simultaneously demonstrating finesse when it comes to more subtle beats. A special highlight: the magnet system has a threaded hole on the back and thus allows the woofer to be fixed to the back panel of the enclosure. Since every millimeter of depth counts in flat constructions, enclosure vibrations are effectively reduced – even with thin walls.

Flexible Connection

Designed as a 1 x 2 Ohms (SVC2) or 2 x 2 Ohms (DVC2) variant, you can find the right low bass specialist for any amplifier configuration to get the maximum performance out of it.

"All inclusive" for self-made enthusiasts

In addition to the high-quality connection terminal with gold-plated screw terminals, a solid protective grille and gasket are also included. For optimal bass performance in DIY installations you can find recommendations for sealed and vented enclosures with all parameters such as net volume, port tuning frequency or DSP settings in our technical data sheet.

Features

  • Chassis with particularly low installation depth – optimized for compact and shallow enclosure constructions
  • 2 x 2 Ohms dual voice coil for flexible system configuration
  • Magnet system with threaded hole on the back – allows screwing to the back panel of the enclosure for stabilization and reduction of enclosure vibrations
  • Extremely stiff sandwich paper cone
  • Long-excursion rubber surround for highest mechanical rating
  • Rugged magnet cover with HELIX lettering for perfect magnet protection
  • Enclosure connection terminal, grille and gasket included in delivery

Technical data

Power handling RMS / max. P 300 / 600 Watts
Impedance  Z 2 x 2 Ω
DC resistance  Re 2 x 1.8 Ω
Resonance frequency  Fs 43 Hz
Mechanical Q factor  Qms 4.79
Electrical Q factor  Qes 0.57
Total Q factor Qts 0.51
Compliance Cms 160 μm/N
Equivalent air volume Vas 11 L
Force factor  B*I 11.9 Tm
Sensitivity  SPL 88.0 dB @ 2.83V / 1m
85.0 dB @ 1W / 1m
Cone area  Sd 222 cm²
Moving mass  Mms 82 g
Cone material   Sandwich paper cone
Mechanical resistance  Rms 4.7 kg/s
Voice coil diameter ø 50.8 mm
Voice coil winding height   19 mm
Max. linear excursion  Xmax +/- 6,0 mm
Outer diameter ø 213 mm / 8.40"
Installation diameter ø 180.4 mm / 7.10"
Installation depth   79.5 mm / 3.13"
     
Recommended enclosure volumes    
Sealed box    
Net volume   10 L
Lower limiting frequency (-3dB)   46 Hz
Recommended DSP settings   Recommended "self-define" highpass filter with 46 Hz cut-off frequency and Q = 1.5
additional EQ filter 100 Hz / Q = 1.0 / -2.5 dB
     
Vented box    
Net volume   10 L
Port diameter ø 60 mm / 2.36"
Port area   28 cm²
Port length   42 cm / 16.5" (angled port)
Port tuning frequency Fb 39 Hz
Lower limiting frequency (-3dB)   45 Hz
Recommended DSP settings   Recommended "self-define" highpass filter with 40 Hz cut-off frequency and Q = 1.2
additional EQ filter 100 Hz / Q = 0.9 / -2 dB
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 19330985906

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Jason
West Palm Beach, US
★★★★★ 1
These are cheaply made, and garbage, highly dangerous letting a dog chew on a battery pack
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These units are garbage. I got one for each of my dogs charged it up turned it on put it inside the rubberized ball shell and securely fastened it less than two minutes later my dog had taken it apart by just biting it and then started to chew on the battery and motor unit. So if you wanna have a lithium polymer fire in your house and potentially kill your animal, go ahead and get this, but if you do not want a fire in your house and you want your animal to live then absolutely do not buy this garbage it’s cheap we made and it’s not strong enough for any dog
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Reviewed in the United States on March 27, 2026
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Tim W
Houston, US
★★★★★ 4
Good Product, but images over promise just a little.
Color: Ripple Pattern
- Performs well on tile and low pile carpet. On artificial grass it doesn’t roll even on the highest setting; it only vibrates. Watch the video. - Still fun for my pup. I’ve only had it a day so no clue about durability although my dog is a strong chewer. - Price Value: When purchased it was 2 balls for the same price of a single ball from competitor. - Material feels like a Nerf football. Easy to disassemble and charge.
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Reviewed in the United States on February 16, 2026
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SW123
Lowell, US
★★★★★ 5
My dog enjoys it
Color: Ripple Pattern
My dog loves the moving ball! She go chase around it and pretty durable. Comes with two balls in one set.
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Reviewed in the United States on May 27, 2026
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Twin Mom
Pawtucket, US
★★★★★ 5
Best jiggle balls we have found thus far
Color: Ripple Pattern
Yes ! First off this was a great value for the money. The balls function just as described and they have a decent battery life. They entertain both our goldens for a good bit of time. They have so far held up and not been chewed up . We limit the time and put them away after that time.. to avoid them being destroyed. Of all the jiggle balls we have purchased these are by far the best. The way the component is encased in the rubber protects it.. and it screws together very well. I am so pleased with these !
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Reviewed in the United States on December 29, 2025
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Tabs
Bozeman, US
★★★★★ 5
Love this set!!!
Size: Medium (2.5"), Style: Fetch Pack 1
I was trying to figure out which of the many different balls this company offers, and I was getting frustrated but then i was SOOOO happy to see they had multiple sets that had multiple of the different balls they offer!! I bought this set and the other set they offer, but this one was my favorite and I think my dogs too! The orange ball works great and bounces just high enough that it doesn’t clear our patio wall, but enough for him to go and jump up to retrieve. But the glow in the dark ball is his favorite! Both me and my pomsky were blown away how we brought the glow in the dark ball outside just as the sun was going down, and when we brought it back inside it was BRIGHT AND GLOWY!!! Even with the sun going down and not much light left!! He loves to play with it in the house after it’s all glowy from the sun. Sometimes we even glow it up under a light inside the house if it’s dark outside, and he will play with it outside in the dark haha he loves it!!! And I think it’s pretty cool too!! All of the balls this company overs are VERY durable! We realized early on that we cannot give our dog regular tennis balls cuz his favorite thing to do is tear the outside fabric off!! So we were trying to figure out what company has the best balls for dogs so they can’t sit there and try to pry them apart, and we found this company!! We have already bought from them about 3 times and all of their balls are durable and bounce how they say they will bounce!! They have the super bouncers and the glow in the dark one and the one with angles that will bounce in different directions and the ones you can throw REALLYY far! Overall, all the balls from this company are very durable, bounce really good, and keep my dog occupied without allowing him to sit there and tear it apart!!! Which i love cuz I do not like when he stops playing with us to sit there and try to take off the fabric, cuz then he could swallow it! So always buy the balls from this company!!! They are the best and most durable!!!! Also plenty soft for your dogs mouth so they can chew on it a bit and it won’t hurt their teeth/gums!
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Reviewed in the United States on July 28, 2024

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