Vehicle Search

  3. Auto Subwoofer
  5. SQ12
Rebec SQ12 12" (30cm) Subwoofer
SKU:  SQ12
400 Watt

SQ12

SKU:  SQ12

Technical Highlights

  • Rated power 400 W, max. power 800 W, frequency response 18 Hz 1.1 kHz.
  • Nominal impedance 4+4 Ohm, sensitivity 90.8 dB, QTS value 0.231.
  • Installation depth 142.5 mm, subwoofer diameter 300 mm, FS 35.5 Hz.
  • More technical details
€339,00
€339,00 €339,00
5% discount with credit card
inkl. VAT , possibly plus shipping
Delivery
Jun 9, - Jun 14,
x piece
  • American Express
  • Apple Pay
  • Bancontact
  • BLIK
  • EPS
  • Google Pay
  • iDEAL Wero
  • Maestro
  • Mastercard
  • MobilePay
  • PayPal
  • Shop Pay
  • Twint
  • Union Pay
  • Visa
Klarna Pay conveniently in 12 interest-free installments at €28,25 with Klarna .

Your benefits at Masori

Seen cheaper elsewhere?

Shipping cost calculator

Expert Image

Rob

Expert Image

Max

Unsure if this product fits your car?

We help you – quickly, personally, and without obligation.

Response on weekdays within 24 hours
Deaf BonceApocalypse DB-4515R
The Deaf Bonce Apocalypse DB-4515R is a black 15 subwoofer with a big cone, visible wiring terminals, green center logo, and 4500W RMS power.
Rebec-J10S-10" (25cm) Subwoofer-masori-kaufen
RebecJ10S
Rebec-SQ12-12" (30cm) Subwoofer-masori-kaufen
€339,00
€339,00 €339,00

SQ12 by Rebec

The SQ12 from Rebec is a 12-inch Subwoofer with a rated power of 400 Watts and a maximum power of 800 Watts. The nominal impedance of the speaker is 4+4 Ohms. It covers a frequency range from 18 Hz to 1.1 kHz. The sensitivity is rated at 90.8 dB. The installation depth is 142.5 mm with a Subwoofer diameter of 300 mm. Technical specifications include a QTS value of 0.231 and a VAS of 44.092 liters.

Features
  • 12-inch (30cm) Subwoofer
  • Power: 400 Watts RMS
  • Power: 800 Watts Max
  • Nominal impedance: 4+4 Ohms
  • Sensitivity: 90.8 dB
  • Installation depth: 142.5 mm
  • Subwoofer diameter: 300 mm
Technical Data
  • Frequency response: 18 Hz – 1.1 kHz
  • Resonance frequency (FS): 35.5 Hz
  • QTS: 0.231
  • VAS: 44.092 liters

Your benefits at Masori

Frequently Asked Questions about SQ12

Why does the SQ12 Subwoofer from Rebec offer such a wide sound spectrum?

The SQ12 from manufacturer Rebec is characterized by its wide frequency range of 18 Hz to 1.1 kHz, making it a versatile bass speaker. Especially if you enjoy listening to music at high volumes, you will benefit from this wide spectrum, as it delivers deep and simultaneously clear bass. This is made possible by the thoughtful design with a 12-inch driver and a robust basket that reliably minimizes vibrations. The selected diaphragm ensures that there is sufficient pressure even in the upper bass ranges. Additionally, the SQ12 is designed with a nominal impedance of 4+4 ohms, which optimizes the sound flow. The relatively low QTS value (0.231) and the generous VAS (44.092 L) contribute to a precise, detailed sound image. If you are looking for more information about Rebec, you can check here: /rebec. This results in a subwoofer that significantly contributes to making your music sound balanced and powerful.

How does the 4+4 ohm nominal impedance affect the performance of the SQ12?

The dual voice coil with 4 ohms each in the SQ12 from Rebec allows for flexible adaptation to different amplifier concepts. You can connect the coils in parallel or in series, giving you room for the overall impedance. This adjustment option ensures that you can optimally match the subwoofer to your amplifier without compromising performance. The two voice coils share the load evenly, which helps distribute heat better and reduce distortion. Even when operating at high levels, the sound remains stable and clean thanks to this design. So, you benefit not only from rich bass but also from better efficiency and minimal power loss. If you plan to use the subwoofer intensively, it is worth testing the different impedance settings. This way, you can quickly find the best configuration to perfectly match the sound to your individual musical taste.

What amplifier power is ideal for the SQ12 with 400 W nominal power?

To fully utilize the SQ12 with its nominal power of 400 W and a maximum power of 800 W, an amplifier that can reliably deliver between 400 and 800 watts RMS per channel is recommended. In practice, you should consider that the sound quality of the amplifier and the overall compatibility with your system also matter. An amplifier operating in this power range ensures that the Subwoofer can reach its full potential without distortion or clipping. It is helpful to pay attention to a good power supply and careful wiring to avoid any loss in sound or dynamics. Especially at low frequencies, sufficient power is essential to prevent your bass from sounding "muddled." So, focus not only on pure wattage figures but also on the efficiency and stability of the amplifier. This way, you can ensure that the SQ12 always performs at its best thanks to its high-quality construction and technical details.

What role does the QTS value of 0.231 play for the enclosure design and performance?

A QTS value of 0.231 indicates a Subwoofer that is well-suited for closed or compact bass reflex enclosures. With this relatively low value, the driver is very precise and controlled in the deep bass range. This means that the SQ12 from Rebec reproduces your music particularly tight and detailed, without unwanted resonances. For example, if you listen to electronic music or hip-hop, you can expect a punchy bass that delivers the beats cleanly. You also benefit from this control in other genres, as the bass reproduction is not booming but rather nuanced. You can carefully tune the appropriate enclosure volume to further enhance the depth and intensity of the bass. This way, you effectively utilize the strengths of the Subwoofer by choosing an enclosure type that optimally supports your desired sound profile. Thus, the SQ12 can impressively unleash its power and dynamics.

How does a sensitivity of 90.8 dB affect volume and sound pressure?

A sensitivity of 90.8 dB is a very solid value for a 12-inch Subwoofer. The higher the sensitivity, the less amplifier power the sub needs to produce a certain volume. In everyday terms, this means you benefit from good efficiency, and the bass reproduction is strong even at moderate volume settings. Especially if you like to listen to music loudly, the high sensitivity ensures that you experience less distortion and more clarity in the bass range. With the combination of high sensitivity and robust construction, the SQ12 delivers a rich sound that is convincing in both the low-frequency range and the kick bass range. Make sure to choose a suitable amplifier that can perfectly dose the power to take advantage of this benefit. This way, your listening pleasure will not only be loud but also precise and balanced, which becomes particularly noticeable during long drives or intense music sessions.

Is it worth combining the SQ12 Subwoofer with high-quality car audio tweeters?

Absolutely. A Subwoofer primarily delivers low-frequency signals and provides a solid foundation in your music mix. However, if you want a truly comprehensive sound image, adding car audio tweeters or high-end car tweeters is worthwhile. These components are designed to reproduce the high-frequency range cleanly and in detail. Especially if you enjoy music genres with many details, such as jazz or classical, you will notice that a balanced system offers significantly more spatiality and brilliance. Your Subwoofer will then handle the powerful bass, while the tweeters accurately depict the fine nuances in vocals or instruments. This combination creates a harmonious sound spectrum where all frequency ranges are well represented. Additionally, you can minimize distortion and fully exploit the potential in every frequency range. Therefore, investing in matched tweeters is a sensible addition to get the most out of the SQ12 from Rebec.

Is the SQ12 Subwoofer from Rebec easily compatible with BMW, Audi, Mercedes, or VW?

The SQ12 from Rebec can be installed in many vehicles from different manufacturers thanks to its flexible connection concept and relatively moderate installation depth of 142.5 mm. It doesn't matter much whether you drive a BMW, Audi, Mercedes, or VW, as long as you have the right space and a suitable mounting option in your trunk or spare wheel well. However, always ensure that you adhere to the required enclosure dimensions and recommended volume. Although the installation is generally straightforward, it is advisable, especially with modern vehicles, to consult a professional regarding the electronics and onboard power supply to get the best possible performance from the Subwoofer. With the variable nominal impedance of 4+4 Ohms, you can also perfectly match the electrical connection to your amplifier. Overall, the SQ12 is very adaptable – no matter which car model you drive.

What significance does the VAS value of 44.092 L have for the installation?

The VAS value (equivalent volume) of 44.092 liters indicates the air volume displaced by the Subwoofer's diaphragm and how it behaves in a specific enclosure. Specifically, this means that you can adjust the box tuning – whether sealed or bass reflex – to this value to achieve optimal bass. For example, if you choose an enclosure that is too small, the bass can quickly sound booming or imprecise. Conversely, with a volume that is too large, you may not achieve the desired kick for your music enjoyment. However, with the SQ12 from Rebec, you can often achieve great results even with compact enclosure volumes, as this woofer is designed for precise bass reproduction. It is important that you carefully consider the technical parameters and your space conditions before installation. This ensures that your Subwoofer can fully utilize its sound range and provide you with a consistently enjoyable listening experience.

Why is the resonance frequency (FS) of 35.5 Hz so crucial for rich bass?

The resonance frequency – for the SQ12 it is 35.5 Hz – indicates the frequency at which the Subwoofer vibrates particularly efficiently. For the sound image, this means: When your music reaches this frequency range, the woofer can optimally convert its energy and produce a very powerful bass. Especially if you enjoy bass-heavy music genres or want to experience movie effects in your car, this low FS value provides an impressive foundation. It also indicates that you can expect a deep, palpable bass without sacrificing sound quality. The sound remains precise because the combination of low FS, high efficiency, and appropriate QTS value guarantees controlled vibration behavior. In practice, this means you can literally feel the bass, yet the playback remains structured and transparent. This way, you not only get booming lows but also a clear bass representation in every music genre.

What role does the installation depth of 142.5 mm play in the SQ12 Subwoofer?

The installation depth of 142.5 mm makes the SQ12 from Rebec pleasantly flexible, as it fits in many standard enclosures and vehicle constructions. This is particularly practical if your trunk is a bit cramped or you don't want to install a very large resonance box. At the same time, you benefit from a balanced construction, where the diaphragm and the magnet are arranged in such a way that you don't have to compromise on sound quality. For example, if you have rather complicated installation positions, you can use the moderate depth to choose a sound-optimized position in the vehicle. This is especially recommended if you value a linear frequency response and expansive bass. Whether you enjoy your music at high volume or prefer more moderate levels, the installation depth allows for a hassle-free setup. In combination with other technical specifications like QTS and VAS, these dimensions ensure that the SQ12 is easy to install and can fully unleash its power.

Manufacturer information / responsible person

Elofssons Försäljnings AB
Björn Elofsson
Gruvgatan 31A
421 30 Västra Frölunda / Gothenburg
Sweden

Contact: support@dbakuten.se

Let customers speak for us

from 9528 reviews
Thesis THG 1.5 II
Martin
Eingebaut in A-Säule, Klanglich sehr schön,

Eingebaut in A-Säule, Klanglich sehr schön, Pegelfest. Bin zufrieden.

Thesis THG 1.5 II
SLICKPROBOX6-V0
Sandro Keller
Sehr guter Klang, Top Preis und eine schnelle

Sehr guter Klang, Top Preis und eine schnelle Lieferung.

SLICKPROBOX6-V0
DB EDBPRO6-E3
Anonym
Top für den Preis !!!

Hören sich gut an!!! hätte ich nicht gedacht in der Preisklasse, vor allem der Pegel hab sie mit paar Axton Hochtönern verbaut und einem Kicker sub im Kofferraum und paar Rainbow Endstufen sauberer lauter klang bin sehr zufrieden mit dem Produkt. Langzeit noch keine Erfahrung da erst zwei Wochen verbaut

DB EDBPRO6-E3
Competition Series GS-14000.1
Henk van Dijk
Versterker was goed verpakt, En heb dit beest heeft zo veel power!

Versterker was goed verpakt, En heb dit beest gelijk getest op volume en klinkt geweldig op mijn subwoofers, Het geluid vervormd niet zelfs op vol volume klinken de bas tonen zuiver, Ben vooral blij dat ik deze versterker gekocht heb. Ik geniet van elke seconde in mijn auto,Ik kon het merk niet van de versterker [gs-audio] maar het is top merk en het is met de hand gemaakt en komt uit Italy is echt goed gemaakt alleen mijn auto heeft het zwaar te verduren alles beweegt, Dus top aankoop gedaan.

Competition Series GS-14000.1
UGMB 100 CNX
RAUL RUIZ
muy buena calidad compre todo el conjunto

muy buena calidad compre todo el conjunto superior, twitter, medios, coaxiales y agudos, una calidad espectacular ahora terminare con los suvwoofer... los rercomiendo

UGMB 100 CNX
UG MB 100 F
RAUL RUIZ
un pack impresionante y ademas lo he conseguido a

un pack impresionante y ademas lo he conseguido a un precio espectacular ademas el envío es muy rápido y perfectamente embalado

UG MB 100 F
Apocalypse Atom 2000.1 Pro
clem
Good amp

Compact and powerful active cooled amp there a remote knob included in the package that show the voltage and etc

Apocalypse Atom 2000.1 Pro
Z-Series Z-FDBG 2-4 EVO
clem
Love it

Love it. It show when a fuse is blown

Z-Series Z-FDBG 2-4 EVO
LAR165-2 Audi MDF 01
clem
Good fit on A4 b6

Good fit on A4 b6 2004

LAR165-2 Audi MDF 01
UG BMW 20 SUB U
Anonym
Hammer Woofer 👍 jeden Euro

Hammer Woofer 👍 jeden Euro wert

UG BMW 20 SUB U
Prima APBX 10 AS2
David Johnson
Great Product, Great Price

Great Product, Great Price

Prima APBX 10 AS2
Montagehebelset Keile 3-teilig Softversion
Anonym
Very Good

Very good experience purchasing several car audio installation products through Masori: Zeus AluButyl 140dB, the Montagehebelset Keile 3-piece soft trim removal tool set, and the 10–100 mm² M8 ring terminal set.

Shipping was fast and everything arrived well packaged with no issues. Regarding the products, the AluButyl provides very good sound deadening performance, with solid material that is easy to work with, ideal for doors and areas where vibration reduction is required.

The trim removal tool set is very useful for disassembling interior panels without damaging plastics or clips, especially in delicate areas, while the M8 ring terminals are of very good quality, offering solid contact and a robust finish, ideal for safe and professional power installations.

Overall, very satisfied with the purchase. High-quality materials suitable for professional-level car audio builds or well-finished personal projects, and a highly recommended store.

Montagehebelset Keile 3-teilig Softversion
Zeus AluButyl 140dB
Anonym
Very Good

Very good experience purchasing several car audio installation products through Masori: Zeus AluButyl 140dB, the Montagehebelset Keile 3-piece soft trim removal tool set, and the 10–100 mm² M8 ring terminal set.

Shipping was fast and everything arrived well packaged with no issues. Regarding the products, the AluButyl provides very good sound deadening performance, with solid material that is easy to work with, ideal for doors and areas where vibration reduction is required.

The trim removal tool set is very useful for disassembling interior panels without damaging plastics or clips, especially in delicate areas, while the M8 ring terminals are of very good quality, offering solid contact and a robust finish, ideal for safe and professional power installations.

Overall, very satisfied with the purchase. High-quality materials suitable for professional-level car audio builds or well-finished personal projects, and a highly recommended store.

Zeus AluButyl 140dB
10-100mm² Ring Set M8
Anonym
Very Good

Very good experience purchasing several car audio installation products through Masori: Zeus AluButyl 140dB, the Montagehebelset Keile 3-piece soft trim removal tool set, and the 10–100 mm² M8 ring terminal set.

Shipping was fast and everything arrived well packaged with no issues. Regarding the products, the AluButyl provides very good sound deadening performance, with solid material that is easy to work with, ideal for doors and areas where vibration reduction is required.

The trim removal tool set is very useful for disassembling interior panels without damaging plastics or clips, especially in delicate areas, while the M8 ring terminals are of very good quality, offering solid contact and a robust finish, ideal for safe and professional power installations.

Overall, very satisfied with the purchase. High-quality materials suitable for professional-level car audio builds or well-finished personal projects, and a highly recommended store.

10-100mm² Ring Set M8
Powerbox 65.4M-V7
Anonym
Very good

Very good experience purchasing the Vibe Audio POWERBOX65.4M amplifier through Masori.

Shipping was fast and the product arrived well packaged with no issues. The amplifier offers a very easy plug & play installation, making it ideal for OEM-style integrations or clean installations without complications.

Performance is stable, with good power for its size and very decent sound quality within its category. It’s a practical solution to upgrade a car audio system without complex installations or major modifications.

Overall, very satisfied with the purchase. A reliable shop and a product that delivers what it promises.

Powerbox 65.4M-V7

Recently viewed products