Focus SW-800B 8 inch 300W Peak 4-Ohm SVC Car Audio Subwoofer Driver

The Focus SW-800B is an 8-inch subwoofer driver that delivers deep, controlled bass with a peak power capacity of 300 W. Its polypropylene cone and rubber surround ensure durability and consistent performance, while the stamped steel basket minimizes resonance for clean output.

Advantages

The SW-800B combines robust construction with precise acoustic engineering. The 30 oz magnet assembly drives the voice coil with authority, enabling tight, punchy bass response. With a sensitivity of 88 dB, it efficiently converts power into sound, making it suitable for a wide range of amplifiers.

Suitable for

• Custom sealed or ported subwoofer enclosures
• Car audio enthusiasts seeking an upgrade from factory speakers
• Systems requiring a single 4-ohm subwoofer driver
• Applications where space is limited but deep bass is desired

Key specifications

• 8-inch (200 mm) subwoofer driver
• RMS power: 150 W, Peak power: 300 W
• Impedance: 4 Ohm, Single Voice Coil (SVC)
• Frequency response: 30 Hz – 1000 Hz
• Sensitivity: 88 dB (1W/1m)
• Polypropylene cone with rubber surround
• Mounting depth: 90 mm, Cutout diameter: 180 mm
• Push terminals for secure wiring

Recommendations

Pair the SW-800B with a monoblock amplifier rated for 150-300 W RMS at 4 ohms. For sealed enclosures, use a volume of 0.5-0.75 cubic feet; for ported, 0.75-1.0 cubic feet tuned to 35 Hz.