Sky High Car Audio

Sky High Car Audio FXB Series 8" Subwoofer – 600W RMS D2/D4

$144.95 USD

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Impedance D2 Ohms D4 Ohms

Sky High Car Audio FXB Series 8" Subwoofer – 600W RMS Dual 2 Ohm / Dual 4 Ohm
Sold by AudioSellerz.com

The Sky High Car Audio FXB Series 8" Subwoofer is a compact, hard-hitting 8 inch car audio subwoofer designed for builders who want real performance in tight spaces without blowing the budget. Part of the FXB line—built around the idea of Sky High performance at an everyday price—this 8" woofer is tuned to deliver strong, controlled bass in small to medium enclosures.

Rated around 600W RMS class (in line with the FXB series step-up from FE-style budget subs), the FXB 8 is perfect for under-seat boxes, trunk corners, or multi-8 builds where you want fast, punchy bass with surprising low-end depth for its size. Available in dual 2 ohm (D2) and dual 4 ohm (D4), it gives you flexibility to match a wide range of monoblock amplifiers.

With the right enclosure, the FXB 8" delivers quick, responsive bass that works great with music that needs both kick and low-end weight—making it a killer option for daily drivers, small vehicles, and stacked 8" systems.

Key Features

Size: 8" FXB Series car audio subwoofer
Power Handling: ~600W RMS class (FXB step-up performance range)
Impedance Options: Available in dual 2 ohm (D2) and dual 4 ohm (D4)
Design Focus:
- “Sky High performance, everyday price” FXB platform
- Tuned for powerful, controlled bass rather than just peak numbers
Application Style: Ideal for:
- Small ported or sealed enclosures
- Under-seat, rear-corner, or low-profile boxes
- Multi-sub 8" arrays in trunks, SUVs, and small cars
Build Philosophy: Real-world output, reliable construction, and solid motor/coil/suspension design for daily use

Great For

Daily driver systems needing a strong 8" bass upgrade
Pair/quad 8" setups where space is limited but output still matters
Small vehicles, trucks, or hatchbacks that can’t easily fit large subs
Budget and mid-level builds looking for legit bass from a compact subwoofer

The Sky High Car Audio FXB Series 8" Subwoofer is designed to give you more than you expect out of an 8—real output, real control, and Sky High quality at a price point that makes sense for everyday car audio builds. Sold and shipped by AudioSellerz.com

Helpful Audio Sellerz Links

Finishing a wiring install? Shop car audio power wire and ground wire, car audio fuse holders and fuse blocks, Big 3 upgrade kits, and Sky High Car Audio amp kits.

For more installation help, read the car audio wire gauge and fuse guide and the car audio grounding guide.

Dealer & Wholesale Accounts

Dealers, shops, installers, builders, and resellers who want to sell Sky High Car Audio products or other products offered by Audio Sellerz can apply for a wholesale or dealer account through AudioResellerz.com.