10" 1043 Ultra Subwoofer

Build your next car audio setup around the TrueBass 10" ULTRA Subwoofer, model TBS 1043DV Ultra. This nominal 10-inch driver features dual 4-ohm voice coils and 600 watts RMS / 1,400 watts peak power handling for a dedicated bass upgrade.

Whether you are refreshing an existing system or starting a custom build, picture your favorite tracks with a dedicated subwoofer handling the bass. Plan the enclosure, amplifier and wiring together rather than choosing by driver size alone. Confirm mounting measurements before ordering so the driver fits your installation.

Driver Size:

• Nominal 10" subwoofer

Series & Model:

• TrueBass ULTRA, TBS 1043DV Ultra

Impedance:

• Dual voice coils: 4 ohms per coil (4 / 4 ohms).

Voice-Coil Inside Diameter:

• 3 inches

Woofer & Magnet Weight:

• Total woofer weight: 20 lbs, including the magnet.
• Magnet weight: 180 oz per woofer (1 × 180 oz magnet). This component weight is included in the total woofer weight, not added on top.

Power Handling (RMS / Peak):

• 600 watts RMS / 1,400 watts peak
• Use the RMS rating when planning compatible amplification; peak handling is not a continuous-power rating.

Sensitivity:

• 93 dB

Driver Parameters:

• Free-air resonance frequency (Fs): 36 Hz
• Qms: 4.22
• Qes: 0.43
• Qt: 0.39
• Vas: 2.2 cu. ft.
• F3: 36 Hz

Suggested Enclosure:

• Suggested box size: 1.5 cu. ft.
• Ports: two, each measuring 3" × 11".

Application:

• Bass-focused car audio installations
• Plan enclosure and amplifier compatibility for your specific build.

Installation Planning:

• Confirm mounting depth and cutout dimensions rather than relying on nominal driver size alone.
• Match the final wiring impedance to your amplifier's supported load.
• Confirm whether the suggested box volume is net or gross, the port measurement convention, and intended tuning before building an enclosure.

Before You Order:

• Contact TrueBass Solutions with your vehicle details, available enclosure space and amplifier information.
• Confirm what is included with this listing and request measurement conditions for sensitivity and F3 when comparing designs.
• If replacing an existing woofer, compare both mounting measurements and electrical requirements before installation.