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  • With a new Copper voice coil in a fully enclosed basket, driving a composite cone attached with a dual-layer surround, this 30 cm sub-woofer can deliver superior bass experience without fail.

Features of TS-W311S4

Powerful Composite Cone design

Powerful Composite Cone design

The new IMPP composite cones are designed specifically to prevent cone failures at high sound pressure levels. Composite Cones have a well balanced rigidity and moves in unison without any strong or weak points.

Powerful Composite Cone design

Dual-layer Surround

Dual-layer Surround

The first of its kind technology, Dual-Layer Elastic Polymer Surround dramatically improves durability and lightness, for superior response, especially for louder volume.

Dual-layer Surround

Other features of TS-W311S4

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Fully Enclosed Basket
Fully Enclosed Basket

To suppress undesirable sound-distorting recoil to the cone, realize clear and punchy bass sound

Copper voice coil
Copper voice coil

Copper offers less resistance & is crucial in clear sound reproduction

Specifications of TS-W311S4

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Type: Enclosure use

Cone size: 12" ( 30cm) Cone

Terminal: Silver Color Push Type

Impedance: 4 OHM Single

Nominal power: ( 400W)

Maximum power: 1400W

Frequency range: 20 Hz ~ 125 Hz (-20dB) (in car)

Sound pressure level: 95 dB(±1.5dB)(in car)

Surround material: Dual Layer Fiber Reinforced Elastic Polymer Surround

Color: Black

Cone material: Injection Molded PP

Mounting depth: 151mm (5.9 inch)

Cutout hole: Φ283 mm (Φ11.1 inch)

Weight: 6.1 kg (13lb 7oz)

Dimensions: Φ326.6 (mm) x 168.5 (mm)

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