Sundown Audio SA18 v.2 18" (46cm) Subwoofer

Name: Sundown Audio SA18 v.2 18 inch Subwoofer | Masori
Brand: Sundown Audio
Price: 696.15 EUR
Availability: InStock
Rating: 5.0 (1 reviews)

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Sundown Audio SA18 v.2 18" (46cm) Subwoofer

1 Review

Powerful motor, 2.75-inch coil, 1000 watts RMS.
19 mm XMAX, 35 mm x-mech, Faraday ring against distortion.
Optimized for bass reflex, closed and bandpass enclosures.
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Impedance: D2 (2x2 Ohm)

D2 (2x2 Ohm)
D4 (2x4 Ohm)

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Sundown AudioZv6 18

DD AudioSL712

SA18 v.2 by Sundown Audio

The Sundown Audio SA Series, which includes the Sundown Audio SA18 v.2, is the top-selling series from Sundown Audio! The new v.2 version features a larger, more powerful motor to drive the bigger 2.75-inch coil and stronger suspension—this maintains the perfect balance of the original SA Series while increasing the power handling to 1000 watts RMS.

The Sundown Audio SA18 v.2 has a linear excursion (XMAX) of 19 mm, which allows for just over 35 mm x-mech. The motor also features a large magnet ID shorting ring (Faraday ring) to reduce distortion caused by inductance and inductance variation over stroke.

The 18-inch model features a larger motor than the SA-10/12/15 v2, with a diameter of 205 mm and a magnet gap height of 60 mm. It has a large 234 mm diameter spider pack for very high mechanical excursion capability. It uses the same 2.75″ coil as the other subwoofers in the SA v.2 Series for a rated power of 1000 watts RMS.

Features

18 inch subwoofer
Xmax = 19mm one-way by 70% BL
RMS Power = 1000 watts
Impedance: D2 or D4
Black 2.75-inch aluminum voice coil former for excellent heat dissipation
High temperature copper voice coil wire
Large aluminum Faraday ring (magnet ID)
Spring-loaded terminals
High-strength aluminum cast frame
Optimized for small ported enclosures, sealed enclosures, and bandpass enclosures

Parameters

T/S SPECS	SAv2 18″ D2	SAv2 18″ D4
RE (Ohms)	3.97	6.06
FS (Hz)	29.051	31.868
VAS (L)	114.234	106.964
Qes	0.424	0.458
Qms	3.052	2.853
Qts	0.372	0.395
Le (mH)	3.6326	4.7903
BL (NA)	32.523	38.159
Mms (Grams)	619.174	549.519
Cms (uM/N)	48.474	45.389
Sens (dB @ 1w/1m)	90.1	90.7

Enclosure Recommendation:

Sealed enclosure: 99 liters
Ported enclosure: 127 liters
Recommended tuning: 35Hz
Recommended port area: 425 cm²
Outer diameter: 47.4 cm
Mounting diameter: 42.4 cm

Frequent questions about SA18 v.2

Wie hoch ist die RMS-Belastbarkeit des Sundown Audio SA18 v.2?

The Sundown Audio SA18 v.2 features an impressive RMS power handling of 1000 watts. This power is supported by a larger, more powerful motor specifically designed to drive the 2.75-inch voice coil and the reinforced centering. The optimized components of the subwoofer work together to ensure stable and reliable performance under high loads. Whether you install it in a sealed or a bass reflex enclosure, the efficiency of the SA18 v.2 ensures consistent sound quality.

Welche Größe hat der Sundown Audio SA18 v.2 Subwoofer?

The Sundown Audio SA18 v.2 is an 18-inch subwoofer, which corresponds to a diameter of 46 cm. This size makes it ideal for car sound systems that are focused on deep and powerful bass. With its large motor and robust aluminum die-cast frame, the SA18 v.2 offers outstanding bass reproduction and is perfect for a variety of audio enclosures. Especially for larger vehicles, this dimension can create ideal bass resonance.

Was ist die lineare Auslenkung (XMAX) des SA18 v.2?

The Sundown Audio SA18 v.2 has a remarkable linear excursion (XMAX) of 19 mm in one direction. This excursion is an indicator of the subwoofer's ability to move significant volumes of air, producing deep and resonant bass. Combined with an X-mech of over 35 mm, this allows the SA18 v.2 to accurately reproduce complex and deep bass frequencies, a feature that is particularly appreciated by fans of bass-heavy music.

Welchen Frequenzbereich deckt der Sundown Audio SA18 v.2 ab?

The Sundown Audio SA18 v.2 subwoofer is designed with a frequency range that spans from 29.051 Hz to 31.868 Hz, depending on the impedance variant (D2 or D4). This frequency range is ideal for capturing deep bass frequencies, which significantly affects sound quality. With optimal tuning at 35Hz, the SA18 v.2 allows for deep bass notes to be played with precision and clear resonance, whether in a bass reflex or sealed enclosure.

Welche Gehäusegröße wird für den SA18 v.2 empfohlen?

For optimal performance of the Sundown Audio SA18 v.2, a bass reflex enclosure with a volume of 127 liters is recommended. Alternatively, a sealed enclosure of about 99 liters can also be used. The enclosure should also have a recommended port area of 425 cm² for a bass reflex system to make the bass reproduction as effective as possible. These enclosure parameters support the mechanics of the SA18 v.2 subwoofer by creating perfect sound conditions for the reproduction of the lowest tones.

Welche T/S Parameter hat der Sundown Audio SA18 v.2?

The Sundown Audio SA18 v.2 offers a variety of T/S parameters that characterize its performance. In the D2 model, it has an RE value of 3.97 ohms and a resonance frequency (FS) of 29.051 Hz, while the D4 model offers 6.06 ohms and 31.868 Hz. Other parameters include a Bl value (motor strength) of 32.523 NA for D2 and 38.159 NA for D4. The moving mass value (Mms) is 619.174 grams for D2 and 549.519 grams for D4. These parameters are crucial for the performance and determination of the optimal operating range of the subwoofer.

Welches Material wird für die Schwingspule des SA18 v.2 verwendet?

The voice coil of the Sundown Audio SA18 v.2 consists of a high-temperature capable copper wire wound on a black 2.75-inch aluminum voice coil former. This combination of materials allows for effective heat dissipation, which in turn contributes to the stability and longevity of the subwoofer. The use of aluminum as the former material makes the voice coil particularly robust against mechanical stress and thermal challenges, while the copper wire maximizes conductivity for outstanding sound quality.

Wie beeinflusst der Faraday-Ring die Leistung des SA18 v.2?

The Sundown Audio SA18 v.2 is equipped with a large aluminum Faraday ring, also known as a magnetic ID short-circuit ring. This significantly reduces the distortions that could be caused by inductance and its fluctuations across the entire stroke range. This results in clearer and cleaner playback, as the subwoofer operates more efficiently and with lower distortion. Especially at high volumes and with complex pieces of music, the Faraday ring ensures that the sound remains uncolored and detailed.

Kann der Sundown Audio SA18 v.2 in verschiedenen Gehäusetypen verwendet werden?

Yes, the Sundown Audio SA18 v.2 is optimized for use in various enclosure types. It can be used in sealed, bass reflex, and bandpass enclosures. The versatility in enclosure choice allows you to find the optimal placement for your subwoofer depending on the type of vehicle and available space. With dimensions of an outer diameter of 47.4 cm and a cutout diameter of 42.4 cm, the SA18 v.2 can be flexibly integrated into various enclosure configurations.

Welche Impedanzoptionen bietet der Sundown Audio SA18 v.2?

The Sundown Audio SA18 v.2 comes with two different impedance options: D2 and D4. The D2 variant has an impedance of 3.97 ohms, while the D4 variant has 6.06 ohms. These options provide flexibility in tuning your audio system. By choosing the impedance, you can optimally match the subwoofer to the existing amplifier, thereby maximizing the efficiency and effectiveness of your sound chain. It allows for fine-tuning and adjustment to the individual requirements of your audio installation.

Herstellerinformation/verantwortliche Person

JR Labs
Rainer Jakob
Heinrich-Hertz-Straße 13 A
46325 Borken
Germany

Contact: jakobrainer@jr-labs.eu

Let customers speak for us

from 9059 reviews

Jean François Tedesco

Alpine tube 12 bazooka , Un sacré caisson de basses ,

Un sacré caisson de basses , j'ai eu un 46 cm killer 454 de l'époque année 90 , qui tapait vraiment bien , mais ce tube est bien plus fort et plus ample, toutes les basses passent sans problème, avec une télécommande à réglage multiples taramps eq bass , et un ampli Machete de masori , le couple est parfait, personnellement j'en ai deux tubes et ça donne énormément, avec l'ampli 2 x 530 en 4 ohms . Parfois le plus simple est bien meilleur et plus durable .

SWT-12S4

11/29/2025

Bartosz Erber

X-10 v3 d2

Hallo. Sehr freundlicher Kundenservice und schnelle Auftragsabwicklung. Der Lautsprecher ist brandneu und unbenutzt. Ich habe ihn vor einiger Zeit gekauft, aber erst kürzlich das Gehäuse fertiggestellt. Die Parameter entsprechen den Herstellerangaben: 42,5 Liter Nettovolumen, abgestimmt auf 32 Hz und 21 mm starkes Sperrholz. Ich hatte noch nie einen 10-Zoll-Lautsprecher und wusste nicht, was mich erwartet, aber das Ergebnis hat meine kühnsten Erwartungen übertroffen. Der Bass aus einem so kleinen Lautsprecher in einem so kleinen Gehäuse ist einfach unglaublich. Um den X-10 zu kaufen, habe ich meinen DD 712f in einem 70-Liter-Gehäuse verkauft, und der war ein Volltreffer. Der Sundown ist in jeder Hinsicht besser. Ich kann diesen Lautsprecher und den Händler, bei dem ich ihn gekauft habe, wärmstens empfehlen. Beste Grüße.

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11/18/2025

tatazz

Est arrivé à la maison très rapidement

Est arrivé à la maison très rapidement 👌🏽

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Anonym

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Geht echt gut und leicht zum einstellen

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Georges, Alexander, Vainohoarii NAGLE

Très satisfaisant.

Bonjour, je reçu le colis bien emballé.
Je recommande vivement, la livraison est gratuite et rapide, je recommanderai sûrement encore chez Masori.

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11/10/2025

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Bought again

Bought again. Great price, fast delivery, nice !

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Perfect sound, I bough 2 pairs for the door and

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Preis/Leistung Qualität top!

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Top Upgrade für Canton System

Ich habe den Woofer in meinem Skoda Octavia 3 mit Canton Soundsystem eingebaut.
Der Einbau war Plug & Play, alles passt perfekt ohne Anpassungen.
Im Vergleich zum originalen Canton Subwoofer spielt dieser deutlich stärker, präziser und mit mehr Druck.
Ich kann den Woofer jedem empfehlen, der mehr Bass aus dem Canton-System herausholen möchte – lohnt sich absolut!

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