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30cm 4Ω SPL Champion Series Sub (3000W)


Competition-class sub: all the power in less enclosure space

Air SuspensionA major benefit of this sub is its Air Suspension System, which creates an airtight space between the two cones within. This enables the main cone to move solidly and smoothly, reflecting air pressure from the enclosure. The result is a very tight bass; even in a very small enclosure.

IMPP ConeThe Injection Moulded Polypropylene (IMPP™) cone is constructed from a composite blend of interlaced, Aramid fibres, which make it extremely rigid; yet lightweight, for low distortion and powerful bass at high sound press levels.

The TS-W2501D4 offers you a variety of set-up possibilities (8Ω or 2Ω), provided that there is correct power matching between the subwoofer and your amplifier


Maximum output power3.000 Watt
Nominal output power1.000 Watt
Frequency response20 - 150 Hz
Lowest resonance frequency (Hz)33,3 Hz
Sensitivity92 dB
Woofer size (cm)30,0 cm
Woofer materialComposite IMPP™ cone woofer using Interlaced Carbon Fibre with Butyl Rubber Edge
Dual 4Ω voice coils: 2 or 8ΩYes
Voice Coil bobbin typePhenol resin coated glass cloth bobbin
MagnetsDouble-stacked, high power
Recommended sealed enclosure (Litres)22.6 litres
Micro Fibre SurroundYes