Are you a music fan who loves that low-end rumble? If so, look no further than the Spike Series Subwoofers! For over 45 years, we've been helping people take their car audio to the next level - and our latest product line is sure to enhance any vehicle's sound system. We are proud to present the ultimate in versatility and durability with AudioControl's Spike Series Subwoofers. These high-performance subwoofers come in a variety of sizes and power ratings to suit your audio needs. No matter what type of music you enjoy, Spike will take your listening experience to the next level. These subwoofers were designed to provide clear, precise bass for an immersive listening experience, so why wait? Load up your trunk with Spike Series Subwoofers today, and crank up your listening pleasure!
Spike Series Subwoofers feature a 3-layer voice coil former to handle some serious power. That means you can turn up the volume and still enjoy heart-pounding bass.
Features:
- High excursion design for ultra-low bass
- Fiber matrix paper cone with mica coating for precise sound
- 3-layer high temp voice coil former for reliable power handling
- Dual damping system for linear bass reproduction
- Dual dust cap system for enclosure compression control
- Efficient heavy-duty motor design
- Removable subwoofer grille included
Specifications:
- Impedance: 2 or 4 Ohms
- Power: 350W RMS / 500W Max
- Frequency Response: 30–500 Hz
- Voice Coil Diameter: 2.0 in / 50.8 mm
- Displacement: 0.05 cu ft / 1.44 L
Recommended Ported Enclosure:
- External Dimensions: 23.00" W × 11.50" H × 12.00" D
- Net Internal Volume: 0.89 ft³
- Total Internal Volume: 1.22 ft³
- Gross External Volume: 1.84 ft³
- Material Thickness: 0.75"
- Tuning Frequency: 40 Hz
- Port Area: 17.50 in²
- Port Inlet: 1.75" W × 10.00" H
- Port Length: 28.00"
- F3: 34 Hz
Recommended Sealed Enclosure:
- External Dimensions: 14.50" W × 10.00" H × 10.00" D
- Net Internal Volume: 0.49 ft³
- Total Internal Volume: 0.54 ft³
- Gross External Volume: 0.84 ft³
- Material Thickness: 0.75"
- F3: 69.04 Hz
- Qtc: 0.86
In the Box:
- (1) SPK-8S4 Subwoofer
Dimensions:
- Overall Diameter: 8.425 in / 214 mm
- Cut Out Diameter: 7.25 in / 184 mm
- Mounting Depth: 4.291 in / 109 mm
- Mounting Height (without grille): 0.55 in / 14 mm
- Mounting Height (with grille): 1.18 in / 30 mm
- Motor Diameter (with cover): 5.55 in / 141 mm
UK Deliveries: Free UK mainland delivery applies to orders over £30 (exceptions apply to remote regions and islands, which will see a surcharge at checkout).
Orders Under 2kg: Most in-stock items arrive in 2–3 working days. Items held by suppliers take 4–6 working days. (Note: Saturday is not a working day).
Orders Over 2kg: Dispatched via trusted couriers including AMAZON Shipping, Royal Mail, DPD, and UPS.
Royal Mail Specifics: Royal Mail aims to deliver in 1–3 working days, though this is not guaranteed. If your item has not arrived after 7 days, please contact us. We can only replace missing items after 14 days have passed.
More information (including international delivery on our Delivery Information page.
