842 subwoofer

Bring deep, powerful bass to your car audio setup with the TrueBass 842. This compact 8-inch subwoofer is built for demanding car audio applications, adding punch to your music without stepping up to a larger driver.

Driver & Application

• Model: TrueBass 842.
• Driver size: 8 inches.
• Designed for car audio applications.

Power Handling

• RMS power handling: 250 watts.
• Peak power handling: 500 watts.

Voice Coil & Magnet

• Impedance: 4 ohms per voice coil.
• Voice-coil inside diameter: 2 inches.
• Total woofer weight: 8 lbs, including the magnet.
• Magnet weight: 80 oz per woofer (1 × 80 oz magnet).

Sensitivity & Acoustic Parameters

• Sensitivity: 90 dB.
• Fs: 42 Hz.
• Qms: 3.92.
• Qes: 0.42.
• Qt: 0.37.
• Vas: 1.3 cubic feet.
• F3: 42 Hz.

Before You Order

• Confirm the voice-coil count and final wiring requirements so your amplifier supports the intended impedance.
• Check the mounting depth and cutout dimensions against your installation space.
• Confirm the recommended enclosure type and volume. Vas is an acoustic parameter, not a recommended enclosure volume. For a ported enclosure, request the recommended port dimensions and tuning before building.
• Sensitivity measurement conditions and the enclosure or test conditions for the listed F3 are not specified. Confirm these details when comparing drivers or planning an enclosure.
• The 80 oz figure is the magnet weight, not the total subwoofer weight. It is included in the total, not added on top.
• Contact TrueBass Solutions if you need help confirming these details for your vehicle and audio setup.