15" 1543 Ultra Subwoofer

Build your next custom bass setup around the TrueBass TBS 1543 DV Ultra 15-inch subwoofer. With dual 4-ohm voice coils and power handling of 650 watts RMS / 1,450 watts peak, this standalone ULTRA-series driver gives you a defined starting point for planning your enclosure, amplifier and wiring.

Picture your favorite tracks with a dedicated 15-inch woofer handling the low end. Whether you are replacing a driver or starting fresh, build your setup around your vehicle's available space and compatible amplification. Sold individually without an enclosure.

Driver Size & Model

Nominal 15-inch subwoofer. TrueBass ULTRA series, TBS 1543 DV Ultra.

Voice-Coil Inside Diameter

3 inches per woofer.

Impedance

Dual voice coils: 4 ohms per coil (4 / 4 ohms). Final wired impedance depends on your wiring configuration. Match it to your amplifier's supported load.

Power Handling (RMS / Peak)

650 watts RMS / 1,450 watts peak per subwoofer. Use the RMS rating when planning compatible amplification; peak handling is not a continuous-power rating.

Driver Parameters

• Free-air resonance frequency (Fs): 30 Hz.
• Qt: 0.42.
• Qes: 0.49.
• Qms: 3.11.
• Vas: 3.58 cu. ft. This is a driver parameter, not a recommended enclosure volume.

Woofer & Magnet Weight

Total woofer weight: 22 lbs, including the magnet. Magnet weight: 180 oz per woofer (one 180 oz magnet). The magnet is included in the total woofer weight, not added on top. Packaging weight is not included.

What's Included

One standalone subwoofer. Enclosure not included.

Before You Order

• Confirm mounting depth and cutout dimensions for your installation.
• Request recommended enclosure volume, enclosure type and tuning before building your box.
• Match your amplifier to the RMS power rating and final wired impedance.

Contact TrueBass Solutions with your vehicle details, available enclosure space and amplifier information for help planning your setup.