Seventour 8-inch 700W Max Power Dual 4-Ohm Car Subwoofer | Dual Voice Coil

Seventour 8 inch Subwoofer for Car Audio Upgrades

Upgrade your car sound with the Seventour 8 inch subwoofer, crafted for tight spaces and demanding bass. The dual 4 ohm voice coil design enables flexible wiring, while the 40 oz high‑strength magnets help maintain stable performance across dynamic listening passages. With a shallow mounting depth of 7.87 inches, this subwoofer is designed to fit where space is at a premium without sacrificing bass presence.

The subwoofer handles peaks up to 700 watts and sustains up to 350 watts RMS, providing headroom for dynamic music and cinematic sound scenes. Its sensitivity of 83.5 dB and a frequency range from 35 Hz to 300 Hz help reproduce deep lows and punchy mid‑bass, adding body to tracks that often feel thinned by stock systems. The foam surround supports responsive cone motion and durability, contributing to a more controlled bass response across varied listening levels.

Key specs at a glance

• 8 inch dual 4 ohm shallow mount design
• Peak power 700 W, RMS 350 W
• Dual 40 oz high strength magnets
• Recommended installation depth 7.87 inches
• Sensitivity 83.5 dB, FS 45 Hz
• Frequency response 35 Hz to 300 Hz

Why this subwoofer could fit your setup

For compact cars or vehicles with limited trunk space, the shallow mount and dual coil configuration simplify integration and wiring. The dual magnets help maintain consistent performance during demanding passages, while the 35 Hz lower limit adds authentic depth to bass‑heavy music without overcrowding your cabin.

• Flexible wiring options with dual voice coils for various amplifier configurations
• Strong, stable output suitable for genres with deep bass
• Installable in tight spaces thanks to the shallow depth
• Potential to enhance perceived bass without excessive distortion

Real‑world use cases

Pair this subwoofer with a compatible amplifier to improve the overall sound stage in a compact sedan, hatchback, or small SUV. Replacing a factory woofer can reclaim missing lows and deliver a more engaging listening experience during daily commutes or weekend getaways.

Tips for best results

• Match with a suitable amplifier capable of delivering up to RMS power for clean, undistorted bass
• Consider enclosure design to maximize the 35 Hz to 300 Hz range
• Verify fitment, especially the 7.87 inch installation depth, before purchasing