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Part Number: TS W311S4

Pioneer 30 cm 4? Enclosure-Type Car Audio Single Voice Coil Subwoofer (1400W)NEW

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More bass. More power
TS-W series subs combine superior sound, design and technology.
All TS-W series subwoofers are designed to produce high-quality sound. They are equipped with a fully enclosed basket, which suppresses repulsion efficiently, ensuring accurate, clear and rhythmical bass. Each sub also comes with advanced technologies, such as a Pioneer patented IMPP composite cone, a rigid 3D-shaped cone design, and large double stacked magnets. On top of that, these TS-W series offer easy installation in many different cars.

Designed for durability, this sub has a strong 3D-shaped IMPP cone, which makes the body ultra-rigid yet lightweight, giving you powerful bass with minimal distortion.
Enclosed basket
Fully enclosed basket
This sub features a fully enclosed basket to strengthen the chassis and increase its transient response, which results in a tighter, more accurate sound.

Independent spiders
Different from regular subwoofers, this sub has an independent spider holder that improves airflow. While temperature and vibrations are reduced to a minimum, maximum response ensures high-quality sound - even at high input volume.



BoxedSubwoofer Yes
Frequencyresponse 20- 125 Hz
Sensitivity 95dB
Lowestresonance frequency 42Hz
Maximumpower output 1400W
Nominaloutput power 400W
Woofermaterial IMPPComposite Cone
VoiceCoil type Copper,4-layer
VoiceCoil bobbin type Aluminium
PoleYoke Type 2
Terminals Push-type
Dimensions 326,6x 168,5 mm
Magnets Ferrite(double)
Surround DualLayer, Fiber Reinforced Elastic Polymer Surround
ScrewTerminals 8
Weight 6.1kg kg
Cut-outHole 283mm
MountingDepth 151mm
Size 30cm
Nom.Dia.(In) 30
Qts 0.79
Qms 14.96
Qes 0.84
Fs[Hz] 42
Vas[l] 37.5
Vas[ft3] 1.32
Vd[l] 0.42
Vd[ft3] 1.32
Sd[m2] 0.0147
Sd[ft2] 0.052
Revc[O] 3
Levc[mH] (2000Hz) 2.87
Xmax[mm] 8
Xmax[in] 0.3
Zmax[O] 47.27
BI[Tm] 13
Rms[Ns/m] 2.88
Mms[g] 164
Cms[m/N] 8,7x 10-5
Mg.Wt.[g] 2100
FluxDensity [Gauss] 6926
Hag[mm] 10
Hag[In] 0.39
Hvc[mm] 26
Hvc[In] 1.02
VC.Diameter[mm] 48
Eff[%] 0.29
S.P.L.[dB] 95
R.M.S.Power[W] 400
M.M.P.[W] 1400
Sp.Displacement [l] 1.67
Sp.Displacement [ft3] 0.059
Recom.Enclosure [l] 35.38
Recom.Enclosure [ft3] 1.25
F0 (inCabinet) 55.7
Q0 (inCabinet) 1.09



  • Get powerful, punchy bass in your car from the pedigree ofworld record-breaking subs.
  • The TS-W311S4 delivers up to 1400 Watts and is suitable forenclosed use.


Whats in the Package?

Pioneer 30 cm 4? Enclosure-Type Car Audio Single Voice Coil Subwoofer (1400W)NEW

Self-Tapping Screws


Warranty Information

Adhesive Backed Foam Gasket

Buy with Confidence from a Pioneer Authorised Dealer and All Purchases come with a VAT Receipt.