• TS-A25S4



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25 cm / 10" A-Series Component Subwoofer, 1200 W MAX. 350 W NOM. (Russian model)

For extra tight decibels.

Get powerful, punchy bass in your car – from the pedigree of world record-breaking subwoofers. This subwoofer features an IMPP composite seamless cone, which delivers superior durability and rock solid bass, from it's ultra-rigid, yet lightweight structure. All of these combined gives you low distortion and powerful bass at high sound pressure levels.


Wiring and installation is easy and the subwoofer is suitable for enclosed use. Its cosmetics match with our GM-A amplifier line-up and A-series speakers.


CarSoundFit App
CarSoundFit App Car sound simulator application for an improved in-car sound experience
IMPPTMEnjoy outstanding midbass response with the Injection Molded Polypropylene Cone
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Full specifications

Main Features

CarSoundFit App
Size 25 cm
Type Cone
Max Power 1200 Watt
Continuous power output 350 W
Frequency response 22 Hz to 1.4 kHz
Sensitivity 85 dB
Impedance 4 Ω
Mounting Depth 128 mm mm
Woofer material IMPP
Voice Coil type Single Voice Coil
Voice Coil bobbin type Aluminium
Terminals Push
Cut-out Hole 230 mm
25cm / 10"
Recom. Enclosure [l] 22.6 L
Recom. Enclosure [ft3] 0.8 ft3
Weight 3.2 kg
Dimensions 267 (Diam.) x 144 mm

Thiele/Small Parameters

Qts 0,72
Fs [Hz] 39.2 Hz
Vas [ft3] 0.8 ft3
Vas [l] 22.6 L
Xmax [mm] 8.7 mm