Hertz MPS 250 S2 — Ultra-Shallow 10″ 2-Ohm Subwoofer for Harley Touring

The Hertz MPS 250 S2 is a premium ultra-shallow 10″ subwoofer engineered for riders who want big, controlled bass performance in the smallest possible space. With only 82.6 mm mounting depth, a 2-ohm voice coil, and 500 W RMS power handling, this is the ideal sub for Tour-Paks, saddlebag drop-in boxes, and compact sealed enclosures on Harley-Davidson Touring bikes.

Key Features

• Ultra-shallow 82.6 mm design fits where traditional subs cannot.
• 2-ohm single voice coil maximises power from modern motorcycle mono amps.
• 500 W RMS / 1000 W peak for high-output bass performance.
• High-excursion design delivers strong low-end in very small enclosures.
• Optimised for sealed boxes commonly used in motorcycle applications.
• Die-cast aluminium basket for strength in high-vibration environments.

Why It Works on Harleys

• Fits tight spaces like Tour-Paks and saddlebag sub chambers.
• 2-ohm design pairs perfectly with strong motorcycle mono amps (e.g., Hertz SP1.900).
• Small sealed box performance gives real bass without sacrificing all your storage space.
• High-efficiency motor helps maintain output even with limited charging systems.

Recommended Power & Setup

• Amplifier Power: 500–1000 W RMS
• Minimum: 400 W RMS
• Enclosure Type: Sealed
• Sealed Volume: 12–14 litres (0.42–0.49 cu ft)
• Low-Pass Filter: 80–120 Hz @ 12–24 dB/octave
• Electrical Note: High-power systems may require upgraded charging or secondary battery support.

Fitment

• Perfect for Harley-Davidson Touring subwoofer builds
• Ideal in Tour-Pak sub boxes
• Works with many shallow saddlebag drop-in sub enclosures
• Suitable for custom sealed pods where depth is limited

Specifications

Need Box Design Advice?

The MPS 250 S2 performs best in small, well-sealed enclosures. We can help you choose or design the right Tour-Pak or saddlebag sub mounts to maximise output and maintain storage space.