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Key specifications

Transmission range25 - 2500 Hz
Impedanz4 Ω (ohm)
Woofer-Durchmesser30 cm

General information

Manufacturer JVC
Product type Car hi-fi subwoofers
Item number6145048
Manufacturer no.CW-DR120
External links Manufacturer's site (de)

Subwoofer properties


Subwoofer properties

A subwoofer (or "sub") is a woofer, or a complete loudspeaker, which is dedicated to the reproduction of low-pitched audio frequencies known as bass. The typical frequency range for a subwoofer is about 20–200 Hz for consumer products, below 100 Hz for professional live sound, and below 80 Hz in THX-approved systems. Subwoofers are intended to augment the low frequency range of loudspeakers covering higher frequency bands.

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30 cm
Nominal power

Nominal power

Die Nennbelastbarkeit des Lautsprechers, gemessen in W (Watt), gibt an, welche elektrische Leistung der Lautsprecher im Dauerbetrieb aufnehmen kann. Sie wird mit einem definierten Rauschsignal ermittelt. Dieses Rauschsignal soll ein typisches Musikprogramm simulieren. Es ist dadurch gekennzeichnet, daß die hohen Frequenzen viel schwächer vertreten sind als die tiefen.

300 W
Maximum load
1800 W


Electrical impedance, or simply impedance, describes a measure of opposition to alternating current (AC). Electrical impedance extends the concept of resistance to AC circuits, describing not only the relative amplitudes of the voltage and current, but also the relative phases. When the circuit is driven with direct current (DC), there is no distinction between impedance and resistance; the latter can be thought of as impedance with zero phase angle. Impedance is defined as the frequency domain ratio of the voltage to the current.

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4 Ω (ohm)
Transmission range

Transmission range

The transmission range is the frequency range a device is designed for.

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25 - 2500 Hz

Product dimensions


Product dimensions

Physical size of an object

136.6 mm
3.7 kg

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Warranty & right to return

Warranty 24 month Bring-in
30-day right of return

30-day right of return

This product may be returned within 30 days after shipment or collection. A minimum of 10% will be deducted from opened products. Unfortunately, we cannot accept a product if it is damaged, incomplete or missing its original packaging.

Warranty and return

Please use our simplified returns and warranty process to return a product or register a warranty case. Returns and warranty

Please use our simplified warranty process to view the warranty period as well as any warranty extensions you may have purchased. This will ensure that your return or warranty case is processed quickly and effectively.

Warranty extension


Warranty upgrade to premium express service


The warranty is extended at the same conditions as the manufacturer warranty.

to 3 years CHF 35.60
to 5 years CHF 40.40

Warranty upgrade to premium express service

The device will be replaced, repaired or refunded within 24 hours.

to 2 years CHF 34.70
to 3 years CHF 70.80 *
to 5 years CHF 77.10 *

* incl. Extension of the warranty
The warranty will be extended for the respective period of time

More information about warranty extensions


Mail delivery/Collection

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Information subject to change.

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JVC CW-DR120 (1800W) JVC CW-DR120 (1800W)