Take your car audio to the next level with a Spike Series 8” single-voice-coil 4-ohm subwoofer by AudioControl. The SPK-8S4 features a heavy-duty rigid basket and motor design to provide ultra low bass for an immersive listening experience. This versatile subwoofer also includes a removable grille for extra durability.
Q: What is the subwoofer's sensitivity?
A: The subwoofer's sensitivity is 81.988 decibels.
Q: Is the subwoofer marine rated?
A: This subwoofer is not marine rated.
Q: Does the subwoofer have a removable grille?
A: This versatile subwoofer also includes a removable grille for extra durability.
Q: What is the minimum frequency response of the subwoofer?
A: The minimum frequency response of the subwoofer is 30 hertz.
Q: What are the dimensions of the subwoofer?
A: The subwoofer has a width of 8.425 inches, a height of 8.425 inches, and a depth of 5.471 inches.

Take your car audio to the next level with a Spike Series 8” single-voice-coil 4-ohm subwoofer by AudioControl. The SPK-8S4 features a heavy-duty rigid basket and motor design to provide ultra low bass for an immersive listening experience. This versatile subwoofer also includes a removable grille for extra durability.

The CompRT Down-Firing Subwoofer Enclosures come loaded with a passive reFLEX subwoofer and KICKER CompRT active subwoofers. The patented design of the TRTP was created in-house by KICKER engineers. The new benchmark in ultra-thin, pre-loaded enclosures, the TRTP’s unique shape and beefy construction are the perfect combination of convenience and reliability. Place the TRTP under your truck seat or cargo area for great bass – no grille needed! Covered in stylish black carpeting and built with thick MDF, these tough enclosures take serious power without taking up needed space. Heat is the enemy of endurance. To make our subs even more reliable, KICKER engineers developed Forced-Air Cooling to help our CompRT subs run 25 percent cooler. RoHS Compliant.

The CompR 8” Subwoofer is a 2-Ohm dual voice coil design, making it easy to get the most out of your amp. Our signature red double stitching makes an outstanding bond between the improved Santoprene surround and polypropylene woofer cone. Revolutionary SoloKon technology joins the cone to the vented back brace, creating a single integrated until that both cools the motor and eliminates distortion. To make our subs even more reliable KICKER engineers developed Forced Air Cooling to help our subs run 25% cooler than before.

The CompRT Down-Firing Subwoofer Enclosures come loaded with a passive reFLEX subwoofer and KICKER CompRT active subwoofers. The patented design of the TRTP was created in-house by KICKER engineers. The new benchmark in ultra-thin, pre-loaded enclosures, the TRTP’s unique shape and beefy construction are the perfect combination of convenience and reliability. Place the TRTP under your truck seat or cargo area for great bass – no grille needed! Covered in stylish black carpeting and built with thick MDF, these tough enclosures take serious power without taking up needed space. Heat is the enemy of endurance. To make our subs even more reliable, KICKER engineers developed Forced-Air Cooling to help our CompRT subs run 25 percent cooler. RoHS Compliant.
| Pros for AudioControl - Spike Series 8” Single-Voice-Coil 4-Ohm High-Performance Subwoofer - Black/Blue | |||
|---|---|---|---|
| There were no pros for this product— | Sound Quality, Bass, Size, Design, Price | Sound Quality | Sound Quality, Size, Bass, Durability |
| Cons for AudioControl - Spike Series 8” Single-Voice-Coil 4-Ohm High-Performance Subwoofer - Black/Blue | |||
| There were no cons for this product— | Durability, Power Handling | There were no cons for this product— | There were no cons for this product— |
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